| A | B |
|---|
| Printed circuit board that provides network communication. | NIC |
| Binary digit used in binary number system. | Bit |
| Maximum number of bits transferred in a given amount of time. | Bandwidth |
| Formal description of a set of rules and conventions that goven network info exchanges. | Protocol |
| Designed to connect users across large geographic areas. | WAN |
| Designed to connect workstations in geographically limited area. | LAN |
| Actual measured bandwidth. | Throughput |
| Address that sends data and info to other computers in a network. | Source |
| Describes how info moves from one computer through network to another computer. | OSI model |
| OSI layer provides connectivity & path selection | Network |
| OSI layer defines electrical & functional specs. | Physical |
| OSI layer manages data exchange between presentation layer entities | Session |
| OSI layer concerned with physical addressing, network topology, & media access. | Data Link |
| OSI layer concerned with data structures and data transfer syntax | Presentation |
| OSI layer responsible for flow control & reliable network communication. | Transport |
| Structure of the network | Topology |
| Operate at layer 2 and use MAC addresses to make forwarding decisions. | Bridges & Switches |
| Operate at layer 3 and base forwarding decisions on logical or IP addresses | Routers |
| Multi-port repeater | Hub |
| Cable used to connect 2 computers together to create a network. | Cross-over |
| NIC operates at this layer. | Layer 2 |
| Electrical noise from other wires in a cable. | Primary cause of Cross-talk |
| Opposition to the movement of electrons. | Resistance |
| Twisting of wires which limits signal degradation. | Cancellation |
| Converting binary digits into a form to travel on a physical communication link. | Encoding |
| Delay of a network signal. | Latency |
| Unit of measure for resistance | Ohm |
| All computers on a single shared access media. | Collision domain |
| Separating collision domains with bridges, switches, and routers | Segmentation |
| Medium not susceptible to EMI. | Fiber Optic |
| Standard jack for telecommunications outlets. | RJ45 |
| Used to extend a network beyond 100 meters. | Repeater |
| Topology which has each of the end nodes of the core topology acting as the center of its own star topology. | Extended star |
| 1st 6 digits of a MAC address administered by IEEE. | OUI |
| Fiber mode used for inter-building connectivity. | Single-mode |
| Current which flows at a constant value. | DC |
| Current which rises and falls in value. | AC |
| Reason for safety ground. | Prevent metals parts from becoming energized. |
| Floor covering in a wiring closet. | Tile |
| Where to label cable. | Both ends |
| _____ lighting produces interference on UTP cable. | Fluorescent |
| Used to mount cable to wall. | Tie wraps |
| Used to address problem of electrical spikes and surges. | Surge suppressors |
| Number of pins on each port of patch panel | 8 |
| Rough diagram that show where cable runs are located. | Cut sheet |
| Part of the network layer address router uses for path determination. | Network address |
| Type of routing protocol RIP is. | Distance Vector |
| Protocol used to learn a computer's MAC address when IP is known. | ARP |
| Layer 3 routers uses in path determination | Hop count |
| Type of routing used to reach stub networks because it requires less overhead. | Static |
| Network layer routed protocol | IP |
| Protocols which enable routers to exchange routing info and maintain tables. | Routing |
| A simple protocol that exchanges datagrams without acknowledgement or guaranteed delivery. | UDP |
| OSI layer IP relies on to determine whether packets have been lost & retransmit | Layer 4/Transport |
| Port numbers reserved by TCP & UDP for public applications. | Below 255 |
| System where destination is not contacted before packet sent. | Connectionless |
| System where a connection is established before data is sent. | Connection-oriented |
| Amount of data that can be transmitted before receiving an acknowledgement | Window size |
| ASCII & EBCDIC used to format this. | Text |
| GIF & JPEG used to format. | Graphics/Still images |
| Protocol used to download or upload files on Internet. | FTP |
| Translates domain name into IP address. | DNS |
| Object on web page that transfers you to another page when you click on it. | Hyperlink |
| Most applications that work in a networked environment are classified as this. | Client-server applications |
| A Client-Server application | Web browser |
| Protocol that works with computer operating systems instead of specific application programs. | Redirector |
| Maximum cable length for CAT 5 UTP. | 100 meters |
| Address encapsulated in IP header to send data to a host on different network. | IP address of destination host |
| Set of directions that tells a web browser how to display a page. | HTML |
| Topology where all of its nodes connected directly to one physical link. | Bus |
| Model adopted as the technical standard of the Internet. | TCP/IP |
| Electricity is the free flow of these. | Electrons |
| Allows electrons to flow through them with great difficulty or not at all. | Insulators |
| Allows electrons to flow with great ease. | Conductors |
| AC stands for ____. | Alternating Current |
| A signal losing strength to its surroundings. | Attenuation |
| Occurs when two bits from two different devices are on a shared-medium at the same time. | Collision |
| Topology where a central node is connected by cabling to other nodes radiating from it. | Star |
| Most common LAN technology uses CSMA/CD. | Ethernet |
| Tells devices which portion of an address is the network number and which part is the host number. | Subnet mask |
