| A | B |
|---|
| Your company is expanding its network. When a network spans cities, states, or countries, it is called a _________? | WAN |
| The ability to _____________________ has proven to be one of the most popular uses of networking technology. | Share information quickly and inexpensively. |
| A ___________________ is the smallest form of a network and is the building block for larger networks? | LAN |
| When resources such as printers, data directories, and modems are shared in an office setting, it is important to create a network. (True or False?) | True |
| Networks make it possible for several users to use data and peripherals, such as printers, simultaneously. (True or False?) | True |
| Networks make it easier to standardize applications, thus simplifying application support. (True or False?) | True |
| Name the three primary reasons for networking computers. | Share information or data, share hardware and software, and centralize adinistration and support |
| What are the minimum hardware requirements for a network? | Two computers connected to each other by a cable that allows them to share data |
| A _________________________ is the building block for larger networks. | LAN |
| Peer-to-peer netwroks are appropriated for? | Recommended for networks with fewer than ten users in the same physical area. |
| This is a characteristic of a peer-to-peer network. | Individual users determine what data is shared. |
| What type of server makes the server side of client/server applications and data available to clients? | Application server |
| Eight computers and two printers in the same office building are all connected by cable so that the users can share the printers. Security is not an issue. This is best described as a server-based local area network. (True or False?) | False |
| No matter how powerful or advanced a server might be, it is useless without an operating system that can take advantage of its physical resources. (True or False?) | True |
| A peer-to-peer network has no dedicated servers and is dependent on the users’ practices for security. (True or False?) | True |
| Server-based networks have dedicated servers that provide various functions such as printing, mail, fax, and applications. (True or False?) | True |
| Peer-to-peer networks are also called workgroups, implying a small group of people and typically ten or fewer computers. (True or False?) | True |
| ______________ networks are recommended for groups with fewer than ten users. | Peer-to-peer |
| Two advantages to choosing a server-based approach to networking. | Security and centralized administration |
| This best describes a bus topology network | A missing terminator will cause the network to go down. |
| Cabling on a linear bus topology can be extended by using? | Barrel connector |
| Active hubs function like __________ when they regenerate the signals sent to them. | Repeaters |
| A barrel connector is placed at each end of a bus-type cable to stop the signal from bouncing. (True or False?) | False |
| Passive hubs, such as punchdown blocks, do not regenerate signals. (True or False?) | True |
| The bus topology provides centralized monitoring of network activity. (True or False?) | False |
| A bus topology network works very well in extreme high-traffic situations. (True or False?) | False |
| Because every computer on a bus has a unique address, several computers can send data over the bus at the same time with assurance that the data will get to the correct computer. (True or False?) | False |
| In the token-passing method of data transmission, the sending computer modifies the token, puts an electronic address on the data, and sends it around the ring to the receiving computer. (True or False?) | True |
| ___________ hubs require electrical power. | Active |
| Consider a single cable that passes from a computer’s NIC to a hub. If this cable breaks, how much of the network is affected? | Only the computer attached to the broken cable. |
| The _____ topology is the simplest and most common method of networking computers. | Bus |
| The physical layout of a network is called the ________________. | Topology |
| Which of the type of cable can support a 100 Mbps data transmission rate? | Category 5 UTP and Fiber-optic |
| What describes the broadband transmission? | Unidirectional and Analog |
| Which cable types are most susceptible to crosstalk? | Unshielded twisted pair |
| This is true about broadband systems? | They use analog signaling and The transmission signal flow is unidirectional. |
| Which factors should management consider when selecting cabling? | crosstalk, attenuation, and transmission speed |
| Which is true about fiber-optic cable? | Data can travel at very high speeds—100 Mbps or more and Cabling is more costly than other alternatives and Not subject to electrical interference. |
| The term used to describe the loss of signal strength that occurs as the signal travels along a copper cable. | Attenuation |
| The least expensive cable. | Twisted pair (10BaseT) |
| Your networking cable consultant has suggested a cable with a recommended usable length of two kilometers. What cable will meet this requirement? | Fiber-optic |
| Type of cable is usually rated as either difficult or very difficult to install? | Fiber-optic |
| Cable most resistant to interference. | Fiber-optic |
| UTP (unshielded twisted pair) is the most flexible cabling system used in Ethernet networks. (True or False?) | True |
| Coaxial cable is made of light-conducting glass or plastic fibers at the center of a thick tube of protective cladding surrounded by a tough outer sheath. (True or False?) | False |
| 10Base2 (ThinNet) cable uses an RJ-45 connector to make the connection to the computer. (True or False?) | False |
| Plenum-grade cable has a fire-resistant coating that produces a minimum amount of smoke and poisonous chemical fumes when it burns. (True or False?) | True |
| Data security requirements should be addressed at the network software level; they are not a component of cabling considerations. (True or False?) | False |
| Type of cable best suited for use in areas that have high exposure to power lines and radio transmitters | Fiber-optic |
| A transceiver for _____________ Ethernet contains a connector known as a vampire tap or piercing tap that makes the actual physical connection to the cable. | ThickNet |
| Baseband transmission devices use ________ signaling and transmit bidirectionally. | Digital |
| A network card that is used to attach to a ThickNet Ethernet network uses a _________ connector to connect to the network. | DIX or AUI or DB-15 |
| Types of card expansion slots can take both ISA and EISA cards because of its backward compatibility. | EISA |
| Some of your firm’s new portable workstations need wireless NICs. What features may be included with the cards? | An RJ-45 connector and Network software to make the card work with a particular network and Installation software and Diagnostic software for troubleshooting |
| Three interface card enhancements that can help speed up network performance. | Shared system memory and Bus mastering and Onboard microprocessor |
| Even though Micro Channel Architecture (MCA) is not compatible with ISA or EISA architecture, MCA is compatible with PCI architecture. (True or False?) | False |
| Your computer requires a Micro Channel Architecture (MCA) adapter. This adapter can be placed in an EISA slot. (True or False?) | False |
| Some NICs do not have a setting for the base memory address because they do not use system RAM addresses. (True or False?) | True |
| A firm that currently has 56 workstations with existing NICs has ordered 35 new workstations that will need interface cards. The new NICs might have to be configured during installation. (True or False?) | True |
| Of the four types of computer bus architecture, each is physically different from the others and it is essential that the NIC and the bus match. (True or False?) | True |
| The base I/O port for a NIC specifies a channel through which information flows between the NIC and the computer’s _______. | CPU |
| A _____________ takes data from a computer and gets it ready to be transmitted on the network cable. | NIC |
| Data moving along a 16-bit bus transmits ______ bits of data at a time. | 16 |
| A ________________ on a NIC can be used to connect a diskless computer to a network. | Remote-boot PROM |
| Describes an infrared network. | Line-of-sight network |
| Describes a microwave system. | May utilize satellites to communicate around the world and Supports line-of-sight communication between two buildings. |
| Adds mobility to networks | Cellular communication and Satellite stations and Packet-radio communications. |
| One advantage of infrared wireless networks over narrow-band or spread-spectrum radio network implementations is their speed of transmission. (True or False?) | True |
| Laser wireless technology requires a direct line of sight. (True or False?) | True |
| Two transmission methods commonly used in wireless network communication. | infrared and laser (also narrow-band radio and spread-spectrum radio). |
| ______________ technology transfers data from one station directly to another. | Point-to-point |
