| A | B |
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| You are a PC technician. Your newly appointed trainee wants to know what troubleshooting tool the Cisco Connection Online (CCo) INcludes.A.)Cisco Technical Infroamtion Centre (TIC) B.) Cisco Technical Assistance Centre (CAT) C.) Cisco Centre for Aide in Troubleshooting (CAT) D.)Cisco Internetworking Troubleshooting Centre (ITC) | B.) Cisco Technical Assistance Centre (TAC) |
| You are the network administrator. You encountered a complex problem on the server that necessitates troubleshooting. Which approach would you take ? A>Top-Down B>Bottom-Up C>Toop to Bottom D> Divide and Conquer E> Split Difference | B> Bottom up is the cisco recommended way to do this |
| You are a pc technician. Your newly appointed traineee wants to know what a logical layered approach enables you to do. What would your reply be ?? A> Focus on physical data linand network layers to isolate a problem B> Focus on specific elements to isolate a problem. C> Focus on physical layers to isolate a problem D> Focus on transport and application layers to isolate a problem | B> Focus on specific elements to isolate a problem |
| Login | login to an undocumented neighboring device |
| interface discovery | discover relevant info about the device |
| document | use information to build the network configuration table |
| diagram | transfer any info form the network configuration table |
| device discovery | determine if any neighboring devices are undocumented |
| You are a network administrator. Several users logged complaints of slow response time for the INternet Web Server. You address tjis issue by isolating the problem and find that when trying to use ping and traceroute you cannot reach the servers IP. You are however able to Telnet into the server, albeit slow. At this point what assumptions regarding your attempts to further isolate the problems can you make A> TCP may ne blocked by an access list somewhere on the path between users and the Intranet Web server B> Phsical layer issues have been eliminated as a possible cause of slow response C> Application layer issues have been eliminated as a possible cause of slow responses. D> The ip address configuration has been eliminated as a possible cause of the slow response E Divide and conquer troubleshooting approach should be taken F> ICMP may be blocked by an access list somewhere on the path between users and the internet page | C> Application layer issues have been eliminated because you can telnet there D> The ip addresss configuration has been eliminated once again telnet must have a valid IP F> ICmp may be blocked by an access list which could be happening |
| You are a pC Tehnician and are troublehsooting network connectivity issues. You suspect that the problem is a physical media or a faulty hub. What troubleshooting approach should you take. A> Top-down B> Divide and conquer C> Bottom up D> Isolate and Solve E> Random | C> Bottom up |
| QUESTION 8 You are a junior MCP technician . The CCNP technician is currently on leave in Dubai. You encounter a problem on the network. The problem is related to a Cisco device. You want to know place a call to Cisco TAC for advice. What three pieces of information should you acquire before placing the call? (Choose allthat apply.)A. Packet traces B. Switch error logs C. Client patch levels D. Trace Server event logs E. Recent configuration changes | Answer: A, B, E Explanation: When you contact the Cisco TAC, it is necessary to have the Packet traces,Switch error logs and Recent configuration changes at hand as it would expedite a good, effective response from TAC. |
| QUESTION 9 You are the network administrator at .com. You encountered a problem in on the network, what would you do before implementing a plan of action? A. Create troubleshooting steps as needed during the process.B. Delete access lists on routers to isolate traffic.C. Document the topology of the network.D. Restore your network to a known previous state if the action item does not solve the problem. | Answer: D It is advisable to Restore your network to a known previous state in case the action item do not solve your problem. |
| QUESTION 10 You are the network administrator. You encounter a problem in the transport layer of the network. You want to isolate the problem. Which network devices should you focus on? (Choose all that apply.)A. Router B. Cables C. Switch D. Hub E. End-system | Answer: A, E |
| QUESTION 11 You are the network administrator at .com. You are currently troubleshooting connectionoriented protocols on the network. What would your targets be? (Choose all that apply.)A. Verify protocol numbers B. Verify time-to-live fields C. Verify sequence numbers D. Verify acknowledgment numbers | Answer: C, D Explanation: 1. Verify sequence number 2. Verify acknowledgment numbers |
| QUESTION 12 You are the network administrator at .com. You need to trouble shoot network latency problems on the network. Which document would save you time in learning about the structure and configuration of a network, as well as informing you that you have restored the network to its normal operation? A. Design document B. Baseline document C. Network summary D. Design summary | Answer: B |
| QUESTION 13 You are the network administrator at .com. You have just followed the correct plan in an attempt to correct a problem on the network. However, you were not successful. What should you do next? A. Stop making changes and return to the Gathering Symptoms stage. B. Continue to make changes, documenting each change as it is made until the problem is corrected.C. Undo all changes, returning the device to their known initial state. D. Perform a core dump to send to Cisco technical support for analysis. | Answer C. Undo all changes, returning the device to their known initial state. |
| QUESTION 14 You are a network technician at .com. The network administrator asks you to gather information about MS Windows based end-systems. Which two commands would you use? (Choose all that apply) A. traceroute B. route print C. show route D. print route E. arp -a F. show interface | Answer: B, E |
| QUESTION 15 Which of the following items should be an integral part of a network topology diagram? (Choose all that apply.) A. Individual end user systems. B. Location of configuration files. C. Illustrations of each network device. D. Representations of logical and physical connections. E. Speed and duplex of individual switch ports. | Answer: C, D |
| QUESTION 16 There are three destinations to which the Cisco router logging process can distribute error messages. What are these three destinations? (Choose all that apply.)A. Message directory B. External syslog server C. Logging buffer D. Terminal lines E. History file F. Configuration file | Answer: B, C, D |
| This exhibit is an illustration of the output of a command that can be used to troubleshoot data-link targets. Which command is responsible for this output? A. show interfaces serial 0/1 B. show cdp neighbor detail C. show interfaces serial 0/1 summary D. show cdp neighbor | Answer: B |
| QUESTION 18 You are a network technician at . Your newly assigned trainee wants to know what the P means in trace output A. The port us unreachable. B. The packet is unreachableC. The PSTN is unreachable. D. The protocol is unreachable. | Answer: D The capital letter P is the message for protocol unreachable See URL: http://www.cisco.com/en/US/products |
| QUESTION 19 Which command would you utilize if you want to determine if a problem resides in the first four layers of the OSI networking model?A. arp -a B. show ip interface C. telnet D. ping | Answer: C |
| QUESTION 20 You are a technician at Inc. you are required to troubleshoot the external router connectionssupporting the inter-VLAN routing. Which two steps should you take? (Choose all that apply.) A. Ensure that the correct IP address if configured on the main interface. B. Verify that the subinterface for each VLAN has the correct IP address. C. Verify the correct media-type statement for each VLAN subinterface. D. Ensure that the full duplex setting on the main router interface matches that on the switch port. | Answer: B, D Incorrect answers: A - there can only be one media type per physical interface C - the main interface (fasteth 0/0 for example) is to be left un-numbered |
| QUESTION 21 What command will you use to enable the forwarding packets that has no default route to the best possible supernet route? best possible supernet route? A. ip split-horizon B. ip redirects C. ip proxy-arp D. ip classless | Answer: D |
| QUESTION 22 What is the command that will display system messages indicating the existence of duplicate IP addresses on network devices? A. show logging B. show IP protocol C. show interfaces D. show IP routing | Answer: A |
| QUESTION 23 What is the proper schedule that should be used in the maintenance of Network Topology Diagrams and Network Configuration Tables? A. At the end of the year. B. Before making any changes. C. At the end of the day. D. At the time changes are applied.E. At the end of the month. | Answer: D |
| QUESTION 24 Switch>show version SEE QUESTION 24 Study the output of the show version command illustrated above. Which items of information can be determined regarding the network configuration of this particular switch? (Choose all that apply.) A. Routing protocol version B. Model of the device C. MAC addresses of any interfaces or ports D. Spanning-tree version E. Installed memory F. Active routing protocol | Answer: B, E |
| QUESTION 25 Exhibit: SEE PAGE You are a technician at installing new computers at 's remote site in Mexico City. However, you cannot make the connection between the computers and the corporate web server, A. By utilizing the ping command from the router at the Mexico City site, you can establish successful communication between both the intranet web server and the newly installed PCs. (Choose all that appy) A. Incorrect routing protocol configuration on the remote site router. B. Incorrect routing protocol configuration on the router connected to the subnet where the intranet web server is installed. C. Incorrect default gateway configured on the new PCs. D. Incorrect default gateway configured on the intranet web server. | Answer: A, C |
| QUESTION 26 You are a technician at .com. Your newly appointed trainee wants to know which components are essential in an End-system Topology Diagram. What would your reply be? (Choose all that apply.) A. Device illustration B. Operating system C. IP routing protocol D. Connection to the network E. Device name F. VTP domain | Answer: A, B, D, E |
| QUESTION 27 You are a technician at .com. Your newly appointed trainee wants to know which Microsoft Windows command is utilized to verify the validity of a declared address for an end-system. What would your reply be ? A. ping B. show ip interface C. tracert D. arp -a E. telnet | Answer: D |
| QUESTION 28 The show ppp multilink command provides the following information:A. Bundle name B. Bundle flapping record C. Bundle idle time out D. Bundle disconnect reason | Answer: A |
| QUESTION 29 You are a technician at .com. Your newly appointed trainee wants to know wants to display active TCP/IP connections on a Microsoft Windows end system. Which command would she use? A. ifconfig -a B. traceroute C. netstat D. ping | Answer: C |
| QUESTION 30 You are a trainee at . The administrator asks you to make a record of network applications that are available on an end-system. Which two high bandwidth applications do you need to take into accountbecause of its large impact on network performance? (Choose all that apply.) A. IPTV multicast applications B. Calendar software clients C. Email clientsD. Streaming video players E. Internet browsers | Answer: A, D |
| QUESTION 31 You are a technician at .com. You are troubleshooting a network problem on the network. The problem is at the transport layer. You want to isolate the problems and check TCP and UDP statistics as well.What command should you issue? A. show ip traffic B. show ip protocols C. show ip routeD. show ip interface brief | Answer: A |
| QUESTION 32 You are the network administrator at Inc. You received complaints by several users that HTTP sessions do not complete successfully. You start addressing the problem by verifying that there is a good to and fro network layer path between client and server. What should you check next? A. Buffer underruns B. Retransmissions C. Switching topology D. Routing topology | Answer: B Explanation: retransmissions -> buffer overflow, buffers to small |
| QUESTION 33 You are a technician at .com. You inform your newly appointed trainee that the correspondence between network and LAN hardware addresses are usually exhibited in a table by IP routing.Your trainee now wants to know which Cisco IOS command could be used to check whether the hosts are present in this table or if there are any duplicate routes. What would your reply be? A. show ip arp B. show ip addresses C. show ip hosts D. show ip interface E. show ip routes | Answer: A |
| QUESTION 34 You are a trainee technician at .com. The instructor asks you which process is characterized by Log in, Interface discovery and Device discovery. What would your reply be? A. Network testing B. Network documentation C. Network configuration D. Network troubleshooting | Answer: B |
| QUESTION 35 You are a technician at .com. Your newly appointed trainee wants to know in which type ofnetwork documentation a list of high-bandwidth applications would appear. What would your reply be? A. A network topology diagram B. A network configuration table C. An end-system topology diagram D. An end-system configuration table | Answer: D |
| QUESTION 36 You are a technician at .com. Your newly appointed trainee wants to know how IP multicast fast switching or multicast distributed switching is enabled. What would your reply be? A. By using the ip directed-broadcast command. B. By using the ip mroute-cache command. C. By using the ip redirects command. D. By using the ip multicast command. | Answer: B |
| QUESTION 37 Which of the following statements regarding EIGRP are true? (Choose all that apply.) A. EIGRP routers maintain en EIGRP Neighbor Table and an EIGRP Topology table.B. EIGRP triggered updates are flooded to every EIGRP router within the EIGRP AS.C. An EIGRP route will be in the active state if it lost the successor and no feasible successor is available. D. On Ethernet (Broadcast) networks, EIGRP routers only establish adjacencies with the DR and BDR. | Answer: A, C |
| QUESTION 38 You are a technician at .com. You are currently troubleshooting a Frame Relay issue on a computer system that you diagnose as a flapping link. Which problems would give rise to a flapping link? (Choose all that apply.) A. Mismatched encapsulation types. B. Improperly configured IP addresses. C. Too much line noise. D. Improperly configured keepalives. | Answer: A, C You could also have this situation if you did not set the speed of the link. This is a good way to simulate this issue for learning. |
| QUESTION 39 You are a technician at .com. Your newly appointed trainee wants to know which command will display a "Network unreachable" message sent by a router. What would your reply be?A. debug ip packet B. debug ip icmp C. show ip events D. show ip statistics E. show ip rip | Answer: B |
| QUESTION 40 You are the network administrator at .com. You find that you have difficulty reaching a remote host on the network. A person at the remote end pings your router in an effort to help you troubleshoot the problem. You need to view the output of the pings being sent to you by that person. What the IOS command should you issue on your router? A. show icmp traffic B. debug icmp ip ping C. show icmp ip ping D. debug ip icmp traffic | Answer: D None of these commands exist, but "D" is the closest. The correct answer is: debug ip icmp |
| QUESTION 41 You are a technician at . You are busy troubleshooting a network performance problem on the network. You isolated a problem above the data link layer. Which command did you use to display information regarding TCP events like state changes, retransmissions, and duplicate packets? A. debug ip tcp B. show ip traffic C. debug ip tcp transactions D. debug ip tcp packet access list | Answer: C The correct answer is "C" |
| QUESTION 42 You are a technician at .com. One of your trainees wants to know which criteria is used by a standard access-list. What would your reply be? (Choose all that apply.) A. User account B. Wildcard mask C. Source IP address D. Domain name E. Full MAC address only | Answer: B, C |
| QUESTION 43 The messages below are displayed on the console due to problems at which OSI model layers? (Choose all that apply.) Router# Mar 23 12:10:20 %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/1, changed state to down Mar 23 12:10:20 %DUAL-5-NBRCHANGE: IP-EIGRP 101: Neighbor 172.21.177.1 (Serial1/0) is down: interface down A. Data link B. Physical C. Session D. Network E. Application F. Transport | Answer: A, B |
| QUESTION 44 You are a technician at .com. Your newly appointed trainee wants to know which commands displays the status of FECN and BECN packets. What would your reply be? A. show frame-relay fecn and show frame-relay becn B. show frame-relay pvcC. show interfaces D. show frame-relay lmi | Answer: B |
| QUESTION 45 You are the network administrator at .com. You have just effected a change on the network. You have tested the change. Which should you do next? A. Identify the affected network layer B. Gathering statistics C. Compare the result to the baseline D. Document the solution E. Device discovery | Answer: D |
| QUESTION 46 You are the network administrator at .com. You install a Cisco 2600 series router and connected a Catalyst 2500 series switch to it. The router will perform inter-vlan routing for devices connected to the switch. You, however, discover that the routing between vlans is not taking place. What is the problem in this scenario? A. 2950Trunking using ISL has not been enabled on the Catalyst. B. Sub-interfaces have not been configured on the Catalyst.C. Trunking using IEEE 802.1q has not been enabled on the Cisco 2600. D. 2950Interface Ethernet 0 on the Cisco 2600 does not have the speed and duplex manually set. | Answer: C |
| QUESTION 47 You are the technician at Inc. You were asked to verify whether the router is receiving ARPrequests and sending ARP replies. Which command should you use?A. debug arp B. debug ip arp messages C. debug ip arp events D. debug ip arp packets E. debug ip arp | Answer: A Explanation: You should use the debug arp privileged EXEC command to display information on Address Resolution Protocol (ARP) transactions. Incorrect Answers:B, C, D: There commands do not exist and will thus be of no help in verifying whether the router receives and sends ARP request and replies, except for the debug arp command. |
| QUESTION 48 You are the network administrator at .com. You are busy troubleshooting a router on the network. You need to issue a debug command but you are concerned about the impact the debug command willhave on the network. What should you a do to minimize debug output? A. Apply an access list to contain the focus. B. Configure the router to run optimum switching. C. Only debug packets when using this command. D. Debug only received packets. E. Apply service timestamps to sort messages. | Answer: A |
| QUESTION 49 You are a technician at .com. You are troubleshooting protocol problems at the data-link layer. You want the check for data-link protocol characteristics. Which three Cisco IOS commands should you issue? (Choose all that apply.) A. traceroute B. show controllerC. show ip route D. show cdp neighbour E. show interfaces F. ping G. tracert | Answer: B, D, E |
| QUESTION 50 You are the network administrator at . You need to configure helper addresses, using either standard or non-standard UDP ports. Which two commands will you use? (Choose all that apply.) A. ip forward-protocol B. ip any helper-address C. ip explicit-protocol D. ip helper-address | Answer: A, D Incorrect answers: "B, C":....there are no such commands! |
| QUESTION 51 You are the network administrator at .com. You encounter the following problem on a remote router. The remote router is not routing packets across a point-to-point link to a central site router. No routing protocol information is being exchanged between the two routers. You want to gather symptoms from this problem. You issue the show ip interface brief command which indicates the status of the interface to be UP/UP. At which TCP/IP model layer would you begin your troubleshooting process? A. Application B. Internet C. Network interface D. Transport | Answer: B The first step is to confirm how bad the situation is, so ping and traceroute and any network (internet) layer tests would need to be performed. |
| QUESTION 52 You are a technician at .com. You are troubleshooting a network problem. In an attempt to isolate the problem you issue the show interfaces command. At which OSI layer are you focussing your troubleshooting efforts?A. Physical B. Transport C. Network D. Application | Answer: A An interface is a physical component |
| QUESTION 53 You are a technician at , Inc. You need to troubleshoot a Microsoft Windows end-system. Which command will help you when gathering all the information regarding the end-system symptoms that you will need by identifying the path a packet takes through the network? A. route printB. tracert C. route trace D. traceroute E. ping | Answer: BTracert for Microsoft and traceroute for Cisco will help the network administrator to carry out troubleshooting by gathering the symptoms and identifying the path a packet takes through the network. |
| QUESTION 54 You are a network administrator at , Inc. You are tending to a problem of connectivity between two hosts on the network. You use the ping command to check the connectivity, but the symptoms to the trouble ticket remains. At which layer of the OSI model should you troubleshoot next? A. Data link B. Physical C. Network D. Application | Answer: D The network layer is OK. You should now move on to the next higher level. |
| QUESTION 55 As a network administrator at , Inc. You are troubleshooting IP routing problems on the network. Which command would you use? A. ip split-horizon B. bandwidthC. ip route-cache D. ifconfig | Answer: A |
| QUESTION 56 You are a technician at .com. Your newly appointed trainee wants to know what the similarities between Topology Diagrams and Network Configuration Tables are. What would your reply be? (Choose all that apply.)A. Both share few components. B. Both share many of the same components.C. Both define physical memory components.D. Both are used for troubleshooting. E. Both use lines and symbols to represent network components. | Answer: B, D |
| QUESTION 57 You are a technician at .com. You connect a new workstation to switch on the network.However, the new workstation performs slow compared to others connected to the same switch. In an attempt to isolate this problem you issue the show interface command. The output from the show interface command is displayed in the following exhibit: SEE EXHIBIT QUESTION 57 What could be the cause of the problem? A. Duplex mismatch issue B. Port fast issue C. Flow-control issue D. Udid issue E. Speed mismatch issue F. Jitter control issue | Answer: A |
| QUESTION 58 You are a technician at .com. Your newly appointed trainee wants to know what the defaultaction for the output of debug and system error messages is. What would your reply be?A. Output goes to the remote console if logging is off. B. Output is sent to the console terminal. C. Error logging automatically invokes debug output to the designated TFTP server. D. Output configuration requires a TFTP server to write files. E. Output is written to a Syslog server. | Answer: B |
| QUESTION 59 You are the network administrator at .com. has a switched network. You want to control the designation of the spanning-tree root bridge in the network. What should you do? A. By enabling uplink-fast on the ports of the desired switch. B. By lowering the bridge priority on the desired switch.C. By setting a lower MAC address on the designated switch.D. By raising the bridge ID on one switch. | Answer: B |
| QUESTION 60 You are a technician at . You receive a report from several users who complain that they get slow responses when sending and receiving email, especially when browsing the Internet. You investigate the complaint by checking the output of a ping command issued from her computer and find that it indicates intermitted success and failures messages, when attempting to contact the email server. A tracert to the corporate Internet gateway router shows high latency and occasional time out messages. What would be the most effective troubleshooting approach if you are to determine the cause of the slow response time? A. Bottom-up approach B. Random access approach C. Divide and conquer approachD. Top-down approach E. Top-down rule-out approach | Answer: A Explanation: This is not an application issue but a layer 2 issue. |
| QUESTION 61 You are a technician at .com. Your newly appointed trainee wants to know what features makeOSPF more suitable than RP in large network installations. What would your reply be? (Choose all that apply.) A. Diffusing Update Algorithm B. No hop count limitation C. Higher routing update overhead D. Faster convergence E. Lower routing update overhead | Answer: B, D, E |
| QUESTION 62 You are the network administrator at .com. You are troubleshooting a routing problem on the network. You want to abort a ping session on a Cisco router. Which is the proper escape default sequence that you should use ? A. Ctrl + Alt + 6 B. Ctrl + Alt + Del C. Ctrl + Shift + 6D. Ctrl + Shift + Del E. Ctrl + Break | Answer: C |
| QUESTION 63 You are a technician at .com. You received a report from users in a workgroup who are unable to connect to the e-mail and calendar system. You gathered the symptoms and found that they can access web pages located on the same server as the e-mail calendar system. Where in the TCP/IP model layer would you A. TransportB. Internet C. Network interface D. Application E. Messaging | Answer: D |
| QUESTION 64 You are the network administrator at .com. During routine maintenance, you discover that the Cisco IOS show buffers command output results in a count of overruns on one of the routers. Where in the router would be the most likely place to look for the cause of the problem? A. Shared NVRAM B. The router bus C. The route processor D. The processor E. The interface hardware | Answer: E |
| QUESTION 65 SEE EXHIBIT IMPORTANT ONE | 1. Login with management PC to router 3 2. show cdp neighbor detail (if this works layers 1 and 2 are ok) 3. read output and see neighbor address x.x.x.604. telnet to x.x.x.60 (telnet to 2) (Telnet to 2 was suddenly disconnected or There was command show cdp neighbor incorrect output. (no address from neighbor) (2 questions with this same format and scenario)5. show running config 6. there is no rip running, so do it 7. config t 8. router rip 9. network 172.18.0.0 10.network 10.0.0.0 11. interface serial 0 12. ip address 172.18.140.2 255.255.255.0 13. interface serial 1 14. ip address 10.16.15.2 255.255.255.0 (note: the connection was lost from BOTH routers ( 1 and 3 ) so this needs to be reset as well just to be sure) 15. exit 16. copy run start |
| QUESTION 67 You are a technician at .com. Your newly appointed trainee wants to know which categoriesare utilized when documenting the properties of network routers. What would your reply be? (Choose all that apply) A. IP address B. Processing type C. Device name D. IP routing protocols E. MAC address F. Interface cache | Answer: A, C, D, E |
| QUESTION 68 You are the network administrator at .com. You noticed that network response time for an end user on a segment of the network has degraded after you installed a new router. You begin your troubleshooting efforts by examining the routing protocol operation after which you check the physical connections to the affected devices. What type of troubleshooting technique are you applying?A. Bottom-up B. Experience based C. Top-down D. Divide-and-conquer | Answer: C Note: Perhaps as this person is going from the router down to the physical layer. |
| QUESTION 66 You are a technician at .com. Your newly appointed trainee wants to know which symptom will indicate a network problem in the physical layer. What would your reply be? A. Output of a show ip interface brief command shows DOWN/DOWN.B. Pings succeed only a percentage of the time. C. Output of show ip interface brief command shows UP/DOWN.D. The interface LED is amber on the affected device. | Answer: A |
| QUESTION 69 You are the network administrator at .com. You receive complaints form a user who complains that she gets slow responses when sending and receiving email, especially when she browses the Internet. You investigate the complaint by checking the output of a ping command issued from her computer and find that it indicates intermitted success and failures messages, when attempting to contact the email server. A tracert to the corporate Internet gateway router shows high latency and occasional time out messages. What would be the most effective troubleshooting approach if you are to determine the cause of the slow response time? A. Bottom-up approach B. Top-down approach C. Divide and conquer approach D. Top-down rule out approach E. Random access approach | Answer: A Explanation: Not an application issue -> Layer 2 issue, bottom up approach |
| QUESTION 70 You are a technician at .com. Your newly appointed trainee wants to know what command she must issue to enable the forwarding of packets that has no default route to the best route. What would your reply be ?A. Ip split horizon B. Ip redirects C. Ip proxy-arp D. Ip classless | Answer: D |
| QUESTION 71 You are the network administrator at .com. You are busy troubleshooting a problem on thenetwork. You determine that the problem is at the transport layer. Which two of the following network devices should you focus your attention on to isolate the problem? (Choose all that apply.) A. Hub B. Media C. Standard switch D. Bottom-up E. End-system | Answer: C, E |
| QUESTION 72 You are a technician at .com. Your newly appointed trainee wants to know which OSI layer is involved when you attempt to isolate a problem using the show controllers or show interface commands. What would your reply be? A. Physical B. Application C. Transport D. Network E. Intermediate | Answer: A |
| QUESTION 73 What command enables the router to send ICMP message when it had to resend a packet on the same interface that it received that packet? a. ip proxy-arp b. ip routing c. ipredirects d. ipmroute-cache e. ip address dhcp f. ip split-horizon | answer c |
| QUESTION 74 What command enables the router to answer ARP requests that are intended for some other device ? a. ip proxy-arp b. ip routing c. ipredirects d. ipmroute-cache e. ip address dhcp f. ip split-horizon | Answer: E |
| QUESTION 75 When debugging IP packets on a Cisco router what is the best way to preserve resources? a. Disable fast-switching b. Link an access-list to the debug command c. Using the terminal monitor command d. Send debug output to the console port | Answer: B |
| QUESTION 76 What troubleshooting approach would you be using if you started by checking the routing table ?? a. Bottom-up troubleshooting b. OSI Troubleshooting c. Top-Down Troubleshooting d. Divide and Conquer Troubleshooting | answer D |
| QUESTION 77 If a router's serial interface was not receiving clocking, what would the interface status andprotocol state be? a. Status up Protocol up b. Status administratively-down Protocol up c. Status up Protocol Down d. Status DownProtocol Down | Answer: D |
| QUESTION 78 Enter command that will trace a packet from the windows PC to a host 192.168.2.1. Make sure that their will no resolution of addresses to hostnames. a. Tracert -d 192.168.2.1 b. Tracert 192.168.2.1 c. Tracert -r 192.168.2.1d. Tracert 192.168.2.1 /all | Answer: A |
| QUESTION 79 Identify commands that are available with OS X. a. Tracertb. Ipconfig /all c. Route print d. Traceroute e. Ifconfig -a f. Route -n | Answer: D, E, F |
| QUESTION 80 Which layer of the OSI model would you start your investigation with if troubleshooting a problem with LMI ? a. layer 3 b Layer 1 c. layer 4 d. layer 2 | Answer d layer 2 |
| QUESTION 81 If the LMI type ANSI is used on a Cisco router's serial interface, which DLCI number is associated with the LMI? a. 0 b. 1024 c> 1023 d. 256 | answer A |
| QUESTION 82 The encapsulated data flow process consists of ___ stages? a. 5 b. 4 c. 2 d. 3 | answer b 1. Encapsulation2. Transmission 3. Forwarding/Filtering 4. Decapsulation |
| QUESTION 83 A switch works at which of the following? a. Network b. Transport c. Physicald. Data link | Answer: C, D |
| QUESTION 84 Identify the three steps of the general troubleshooting process.a. Isolate Symptoms b. Isolate the problem c. Document the problem d. Correct the problem e. Identify the problem f. Gather Symptoms | Answer: B, D, F |
| QUESTION 85 What is the "-r" switch on the netstat command do? a. Reverse lookups on known networkb. Faster response time, rn stands for "right now" c. Shows routing table d. Shows remote networks | Answer: C |
| QUESTION 86 Simulation Question.... Set the clock rate on Serial 0 to 128000? | Answer: click on router, en, config t, interface serial 0, clock rate 64000 |
| QUESTION 87 What does the output of the command 'ipconfig /all' display? A. All Layer 3 information B. IP information for all interfaces, including IP address, subnet mask, DNS server, DHCP, and some NetBIOSinformation C. IP address and subnet mask only D. None of the above | ???? |
| QUESTION 1 You are the network administrator at .com. You need to verify whether the router is receiving ARP requests and sending ARP replies. Which command would you use? A. debug arp B. debug ip arp events C. debug ip arp packets D. debug ip arp | Answer: A Explanation: You should use the debug arp privileged EXEC command to display information on Address Resolution Protocol (ARP) transactions.Incorrect Answers: B, C, D: There commands do not exist and will thus be of no help in verifying whether the router receives and sends ARP request and replies, except for the debug arp command. |
| QUESTION 2 You are configuring your ATM network. You are running the following command: set port port-number statistics What are you trying to do with this command (Choose all that apply)? A. to check for network congestion B. to run remote loop C. to perform bit rate check D. to perform port check E. to start loopback test F. to check the port at each end of the trunk G. to stop the loop H. to run an internal loop | answer f |
| QUESTION 3 You are asked to debug dial-on-demand routing information. Which command will you use? a. debug dialer b. dialer debug c dilaer config d. dialer on demand | answer a |
| QUESTION 4 You found out that routing is not enabled on the router. What should you do to enable the proper routing protocol? A. use the route-enable global configuration command. B. use the router-config global configuration command. C. use the route global configuration command.D. use the router global configuration command | Answer: D |
| QUESTION 5 Which of the following are valid frame relay commands in terms of syntax (Choose all that apply) ? A. no frame-relay map B. frame-relay map C. show frame-relay pvc.D. frame-relay dlci map | Answer: A, B, C |
| QUESTION 6 You are running the trace command. You follow this syntax: trace [protocol] [destination] Youobtained a series of output. What does the following mean? P A. Protocol unreachable B. Host unreachable C. Unknown packet type D. Network unreachable E. Source quench F. Port unreachable G. For each node, the round-trip time in milliseconds for the specified number of probes. H. The probe timed out | answer A |
| QUESTION 7 You are configuring your ISDN service. You use the following command: show isdn status What does this accomplish?A. view status on the D channel of a BRI line B. view router configuration. C. ISDN debugging D. check for current status | Answer: D |
| QUESTION 8 The Scenario "what-if" Simulator is part of the: A. Connectivity Baseliner B. Router Configuration File Loader C. Connectivity Solver D. Topology BuilderE. Diagnostic Report Generator | Answer: C |
| QUESTION 9 The Cisco troubleshooting model is a rigid framework to follow. A. False, it should instead be flexibleB. False, as it is a software product, not a framework C. True D. False, as it is a proprietary slogan, not a framework | Answer: A Explanation: According to the technical documentation at CCO: Cisco illustrates the process flow for the general problem-solving model. This process flow is not a rigid outline for troubleshooting an internet work; it is a foundation from which you can build a problem-solving process to suit your particular environment. This process is a methodology, a framework, but not a software product. |
| QUESTION 10 When you're troubleshooting a network environment, you should create an action plan and begin with the: A. all problems B. least likely problem C. most likely problem D. None of the choices. E. user inputs | Answer: C |
| QUESTION 11 You are configuring your ISDN service. You use the following command: debug isdn event What does this accomplish?A. check for current status B. view router configuration.C. ISDN debugging D. view status on the D channel of a BRI line | Answer: C |
| QUESTION 12 Which of the following is valid measure to avoid problems with split horizon in a hub-and-spoke Frame Relay environment?A. configure different keepalives B. None of the answers C. configure subinterfaces D. configure different dlci mapping | Answer: C |
| QUESTION 13 You are running the trace command. You follow this syntax: trace [protocol] [destination] What protocol can be used (Choose all that apply)? A. IP B. AppleTalk C. VINES D. CLNS2 | Answer: A, B, C, D |
| QUESTION 14 You are troubleshooting x.25. You use show interfaces serial . Which of the following is validfield you should pay attention to (Choose all that apply)? A. REJs B. RESTARTs C. FRMRs D. SABMs E. RNRs F. DISCs | Answer: A, B, C, D, E, F |
| QUESTION 15 If the show interfaces serial command output for CRC, framing errors, and aborts exceed ________% of the traffic, clocking problem is likely happening. a 50% b 30% c 2.0 % d 20% | answer c |
| QUESTION 16 You are troubleshooting x.25. You use show interfaces serial . Which of the following is valid field you should pay attention to regarding Asynchronous Balance Mode requests (Choose all that apply)? A. RESTARTs B. DISCs C. SABMs D. REJs E. FRMRsF. RNRs | Answer: C |
| QUESTION 17 Which of the following is true concerning the role of Ring speed in a token ring setup (Choose all that apply)? A. You may use show running-config to determine the ring speed specified on the router B. ring speed configured for all stations can vary.C. You may use show running conf to determine the ring speed specified on the router D. ring speed configured for all stations must be the same | Answer: A, D |
| QUESTION 18 You need to view the routing table of your router. What command can be used? A. show ip rt-table B. show route C. show ip stat D. show ip route | Answer: D |
| QUESTION 19 What should you do if there is no active interface with an IP address (Choose all that apply)?A. configure an interface with the ip address interface configuration command B. use the no shutdown interface configuration command to bring an interface up C. configure an interface with the ip range interface configuration command D. use the shutdown interface configuration command to bring an interface up | answer a,b |
| QUESTION 20 What can the debug PPP negotiation command accomplish (Choose all that apply)? A. debug the Network Control Protocol parameters B. debug the negotiation of Point-to-Point Protocol options C. debug the PPP tunnel mode operationD. debug the LCP extension | Answer: A, B |
| QUESTION 21 What command should you use to show the detailed router CPU usage statistics (fill in the blank) | show processes cpu Explanation: According to the technical documentation at CCO: The show processes command displays information about the active processes. Use the show processes cpu command to display detailed cpu utilization statistics on these processes and the show processes memory command to show the amount of memory used. |
| QUESTION 22 You would need to determine the current buffer statistics of your router. Which command are NOT appropriate (Choose all that apply)?A. show stat buffers B. show buffer stat C. show buffers D. show buf enable | Answer: A, B, D |
| QUESTION 23 When you perform network troubleshooting, you may set up a maintenance time window for:A. maximizing potential business ROI B. maximizing potential business performance C. minimizing potential business impacts D. maximizing potential business efficiency | Answer: C Explanation: According to the technical documentation at CCO: During the process of network troubleshooting, the network is expected to exhibit abnormal behavior.Therefore, it is always a good practice to set up a maintenance time window for troubleshooting to minimize any business impact. Always document any changes being made so that it is easier to back out if troubleshooting has failed to identify the problem within the maintenance window. |
| QUESTION 24 You are running the following command: show interfaces token Why are you using this command? A. verify that the line protocol is upB. verify that the interface is up C. verify that the ring is connected D. verify that the ring is well connected | Answer: A, B |
| QUESTION 25 You are running the trace command. You follow this syntax: trace [protocol] [destination] You obtained a series of output. What does the following mean? Q A. Source quench B. Network unreachable C. Port unreachable D. For each node, the round-trip time in milliseconds for the specified number of probes.E. Unknown packet type F. The probe timed out G. Protocol unreachable H. Host unreachable | Answer: A |
| QUESTION 26 Your X.25 interfaces are down. Which of the following is a valid action to take?A. use debug lapb B. use debug x.25C. use debug x25 D. use debug interface | Answer: A |
| QUESTION 27 You may use Netsys Baseliner to give yourself a big picture of your Cisco network as configured. A. False, you should use Traffic Director instead B. False, you should use CCO Bug Toolkit instead C. TrueD. False, you should use Cisco View instead E. False | Answer: C Explanation: According to the technical documentation at CCO:Netsys Baseliner can be used to:* Test configurations and changes offline before committing them to the live network. Cisco Netsys Baseliner for Windows NT creates a model of your network and checks for more than 100 common yet difficult-to-isolate configuration problems. * Graphically view your network as configured, not as planned or discovered. Baseliner gives you the big picture instantly, allowing you to visually navigate your network and gain a complete understanding of how it works. * Proactively monitor configuration changes. When problems occur, recent configuration changes are often to blame. |
| QUESTION 28 You are configuring your frame relay network. You need to look for current keepalives settings. What command cannot be used (Choose all that apply)? A. Use show statistics serialB. Use show interfaces serial-line C. Use show interfaces D. Use show interfaces frame-reply E. Use show interfaces serial-enable | Answer: A, B, D, E |
| QUESTION 29 You are configuring your ATM network. You are running the following command: set port port-number loop internal What are you trying to do with this command (Choose all that apply)? A. to check for network congestion B. to stop the loop C. to check the port at each end of the trunkD. to run remote loop E. to run an internal loop F. to start loopback test G. to perform bit rate check H. to perform port check | Answer: E, F |
| QUESTION 30 What command should you use to display the names and sources of the router configuration files on your Cisco router (fill in the blank): | Answer: show version |
| QUESTION 31 You are running the trace command. You follow this syntax: trace [protocol] [destination] You obtained a series of output. What does the following mean? "U" and "H" A. Protocol unreachable B. Host unreachable C. Port unreachable D. Source quench E. Unknown packet type F. The probe timed out G. For each node, the round-trip time in milliseconds for the specified number of probes.H. Network unreachable | Answer: B, C |
| QUESTION 32 To generate a diagnostic report under Netsys Baseliner, you must first open and load a baseline A. False B. False, as a baseline is bound to the router memory at startup C. True D. False, as a baseline is loaded by default automatically | Answer: C Explanation: According to the technical documentation at CCO: The steps to fix a problem with the help of Netsys diagnostic report are: Step 1 Open and load a baseline.Step 2 Run diagnostics on the baseline. Step 3 Analyze the Diagnostics Report. Step 4 Fix a High Priority IP access list problem reported in the Diagnostics Report. Step 5 Open and load the baseline again. Step 6 Rerun diagnostics on the baseline checking to ensure the High Priority access list problem was fixed. |
| QUESTION 33 You are running the trace command. You follow this syntax: trace [protocol] [destination] You obtained a series of output. What does the following mean?"*" A. Unknown packet type B. Protocol unreachable C. Source quench D. The probe timed out E. For each node, the round-trip time in milliseconds for the specified number of probes.F. Host unreachable G. Network unreachable H. Port unreachable | Answer: D |
| QUESTION 34 Under what situation will you consider the use of the following command: encapsulation frame-relay ietf A. to configure IETF encryption on the Cisco Frame Relay interface B. when connecting Cisco device with non-cisco device C. to configure IETF encapsulation on the Cisco Frame Relay interfaceD. when connecting Cisco device with Cisco device | Answer: B, C |
| QUESTION 35 You are running the following command: show interfaces serial Why are you using this command?A. verify that the ring is connected B. verify that the line protocol is up C. view the router configuration D. verify that the ring is well connected E. verify the serial interface information | Answer: E |
| QUESTION 36 NetFlow switching provides you with access primarily to: A. data network call detail recording informationB. analog call network detail voice recording information C. voice network call detail recording information D. access log information | Answer: A Explanation: According to the technical documentation at CCO: NetFlow switching provides network administrators with access to call detail recording information from their data networks. Exported NetFlow data can be used for a variety of purposes, including network management and planning, enterprise accounting and departmental charge backs, ISP billing, data warehousing and data mining for marketing purposes. |
| QUESTION 37 You are troubleshooting your Netware network. You are running the following command:show ipx route What does this function accomplish? A. None of the answers B. identify duplicate network numbers on servers C. identify mismatched Ethernet encapsulation methods D. identify duplicate node numbers on routers | Answer: B |
| QUESTION 38 You are troubleshooting x.25. You use show interfaces serial . Which of the following is valid field you should pay attention to regarding the number of disconnects (Choose all that apply)? A. RNRs B. DISCs C. RESTARTs D. FRMRs E. SABMs F. REJs | Answer: B |
| QUESTION 39 What command should you use to display the configuration of the system hardware and the software version (fill in the blank): | Answer: show version According to the technical documentation at CCO:To display the configuration of the system hardware, the software version, the names and sources of configuration files, and the boot images, use the show version EXEC command. You can also use this command with a Cisco 7507 or Cisco 7513 configured with High System Availability (HSA). |
| QUESTION 40 You are running the trace command. You follow this syntax: trace [protocol] [destination] Youobtained a series of output. What does the following mean? N A. Protocol unreachable B. Host unreachable C. The probe timed out D. Source quench E. Unknown packet type F. Network unreachable G. Port unreachable H. For each node, the round-trip time in milliseconds for the specified number of probes. | Answer: F |
| QUESTION 41 You are troubleshooting your Netware network. You are running the following command:show ipx servers What does this function accomplish? A. identify duplicate network numbers on servers B. identify duplicate node numbers on routers C. identify mismatched Ethernet encapsulation methods D. None of the answers | Answer: A |
| QUESTION 42 When you're troubleshooting a network environment, you should contact TAC if the problem cannot be resolved at your first attempt. A. True if you are a Cisco silver partner B. True if you are a Cisco gold partner C. True D. False E. True if you are a Cisco reseller | Answer: D Explanation: According to the technical documentation at CCO: if the problem has not been resolved, you must create an action plan based on the next most likely problem in your list. Return to Step 4, change one variable at a time, and repeat the process until the problem is solved. |
| QUESTION 43 You are troubleshooting x.25. You use show interfaces serial . Which of the following is valid field you should pay attention to regarding rejects (Choose all that apply)? A. RESTARTs B. RNRs C. SABMs D. FRMRs E. DISCs F. REJs | Answer: F |
| QUESTION 44 When you analyze a network problem, you should always at first gather the facts. A. False, you should first contact TAC for assistance B. False, you should define the problem first.C. False, you should first define the alternative solutions D .True E. None of the choices. F. False, you should first open a case via CCO | Answer: B Explanation: According to the technical documentation at CCO:When analyzing a network problem, make a clear problem statement. You should define the problem in termsof a set of symptoms and potential causes. To properly analyze the problem, identify the general symptoms and then ascertain what kinds of problems (causes) could result in these symptoms. For example, hosts might not be responding to service requests from clients (a symptom). Possible causes might include a misconfigured host, bad interface cards, or missing router configuration commands. |
| QUESTION 45 Which of the following are common problems in an IPX network (Choose all that apply)? A. mis-configured client or server B. insufficient user licenses C. mismatched transceiver numbers D. mismatched network numbers | Answer: A, B, D |
| QUESTION 46 Which of the following is true concerning OSPF (Choose all that apply)? A. OSPF uses a MAC address on the router as its router ID B. OSPF uses an IP address on the router as its router ID C. OSPF uses an IP address on the router as its OSPF community ID D. To configure the OSPF protocol on a router, you need at least one active interface configured with an IP address | Answer: B, D |
| QUESTION 47 You are running the trace command. You follow this syntax: trace [protocol] [destination] Which of the above is optional (Choose all that apply)? A. Trace B. None C. Protocol D. Destination | Answer: C, D |
| QUESTION 48 Which of the following is true concerning the fault tolerant capability of FDDI (Choose all that apply)A. if a station fails the dual ring will automatically doubled back on itself into a single ring B. Uses single ring C. if a station fails the single ring will automatically replace itself with a new ring D. Uses dual ring | Answer: A, D |
| QUESTION 49 When you analyze a network problem, you should define the problem in terms of a set of: A. symptoms and root causesB. root causes and root benefits C. benefits and ROI D. causes and benefits E. symptoms and potential causes | Answer: E Explanation: According to the technical documentation at CCO: When analyzing a network problem, make a clear problem statement. You should define the problem in termsof a set of symptoms and potential causes. To properly analyze the problem, identify the general symptoms and then ascertain what kinds of problems (causes) could result in these symptoms. For example, hosts might not be responding to service requests from clients (a symptom). Possible causes might include a misconfigured host, bad interface cards, or missing router configuration commands. |
| QUESTION 50 NetFlow exports flow information in what type of datagrams? A. UDPB. None of the choices. C. SNMP D. TCP E. ICMP | Answer: A Explanation: According to the technical documentation at CCO: NetFlow exports flow information in UDP datagrams in one of two formats. The version 1 format was the initially released version, and version 5 is a later enhancement to add Border Gateway Protocol (BGP) autonomous system (AS) information and flow sequence numbers. Versions 2 through 4 were not released. |
| QUESTION 51 A simulation network environment can be produced using the Connectivity Tools.A. True only when the CWSI Visual Map component is installed B. True only when the CWSI Visual Tracker component is installed C. True only when the CWSI Visual Designer component is installed D. True E. False | Answer: D Explanation: According to the technical documentation at CCO: Using the Connectivity Tools to create a simulation environment, network planners can study the impact of such factors as failed devices and links, and preview the effects of various configuration changes before implementing them in their networks. |
| QUESTION 52 When you're troubleshooting a network environment, you should contact TAC if the problem cannot be resolved, and you exhaust all the common causes and actions.A. True if you are a Cisco reseller B. True if you are a Cisco silver partner C. False D. True E. True if you are a Cisco gold partner | Answer: D Explanation: According to the technical documentation at CCO: If you exhaust all the common causes and actions-either those outlined in this [Cisco] book or ones that you have identified for your environment-you should contact your Cisco technical support representative. You mayconsider to open a case with TAC and commit certain resources into looking after the problems. |
| QUESTION 53 You are configuring your ISDN service. You use the following command: show controller briWhat does this accomplish? A. view status on the D channel of a BRI line B. view router configuration.C. check for current status D. ISDN debugging | ?????? |
| QUESTION 54 What are the causes of clocking problems D. several cables connected too far away (Choose all that apply)? A. poor patch panel connections B. cables out of specification C. Incorrect DSU/CSU configuration | Answer: A, B, C |
| QUESTION 55 Which of the following are invalid frame relay commands for defining mapping between anaddress and a DLCI (Choose all that apply)?A. no frame-relay map B. frame-relay dlci map C. show frame-relay pvc D. frame-relay map | Answer: A, B, C |
| QUESTION 56 Which of the following are valid frame relay commands for deleting any incorrect DLCI number entry (Choose all that apply)?A. frame-relay map B. show frame-relay pvc C. no frame-relay map D. frame-relay dlci map | Answer: C |
| QUESTION 57 In general, bandwidth utilization over _______% causes intermittent failures. A. 80% B 70% C 60% D 50% | Answer B |
| QUESTION 58 How do Netware servers announce the services they are offering? A. WINS B. SAP C> 802.3 D Dhcp | Answer B |
| QUESTION 59 You receive the following error when configuring OSPF: OSPF: Could not allocate router id What is the cause? A. too many interfaces with an IP address B. no OSPF ID C. no active interface with an IP addressD. no active ARP entry with an IP address | Answer: C |
| QUESTION 60 In an IPX network, you must always make sure that the frame types are properly configured. Isthis true? A> No B Yes | Answer B |
| QUESTION 61 You are troubleshooting x.25. You use show interfaces serial . Which of the following is valid field you should pay attention to regarding the Receiver Not Ready events (Choose all that apply)? A. FRMRs B. REJs C. RNRs D. SABMs E. RESTARTs F. DISCs | Answer: C |
| QUESTION 62 Which of the following Netflow versions have never been formally released (Choose all thatapply)?A. version 2 B. version 1 C. version 4 D. version 5 E. version 3 | Answer: A, C, E Explanation: According to the technical documentation at CCO:NetFlow exports flow information in UDP datagrams in one of two formats. The version 1 format was the initially released version, and version 5 is a later enhancement to add Border Gateway Protocol (BGP) autonomous system (AS) information and flow sequence numbers. Versions 2 through 4 were not released. |
| QUESTION 63 NetFlow switching runs primarily on which layer? A> Session b> transport C network d data link e none of the above | Answer c Explanation: According to the technical documentation at CCO:NetFlow switching is a high-performance, network-layer switching path that captures as part of its switching function a rich set of traffic statistics. These traffic statistics include user, protocol, port, and type of service information that can be used for a wide variety of purposes such as network analysis and planning, accounting, and billing |
| QUESTION 64 You are running the following command: show running-config Why are you using this command ?A. verify that the interface is up B. verify that the line protocol is up C. verify that the ring is well connected D. verify that the ring is connected E. view the router configuration | Answer: E |
| QUESTION 65 You are running the trace command. You follow this syntax: trace [protocol] [destination] You obtained a series of output. What does the following mean? ? A. Host unreachable B. Port unreachableC. For each node, the round-trip time in milliseconds for the specified number of probes. D. Unknown packet type E. Protocol unreachable F. The probe timed out G. Network unreachable H. Source quench | Answer: D |
| QUESTION 66 The Topology Builder is part of the: A. Router Configuration File Loader B. Connectivity Baseliner C. Connectivity Solver D. Topology Builder E. Diagnostic Report Generator | Answer B |
