CIS101 CHAPTER SEVEN BANK

____ networks use a central device to connect each device directly to the network.

a. Ring

b. Bus

c. Mesh

d. Star

d. Star

In ____, data is sent when it is ready but all data must be delivered at the time that it is needed.

a. endrosynchronous transmission

b. asynchronous transmission

c. synchronous transmission

d. isochronous transmission

d. isochronous transmission

Case 7-2

Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network.

Gabrielle would like to purchase a new ____, which would be used to connect the company's LAN and the Internet.

a. bridge

b. router

c. USB port

d. hub

b. router

Microsoft Office markup tools and specialized ____ are used in conjunction with networking technology to allow multiple individuals to edit and make comments in a document without destroying the original content.

a. job software

b. online software

c. collaboration software

d. OCR software

c. collaboration software

____ refers to the amount of data that can be transferred (such as via a bus or over a certain type of networking medium) in a given time period.

a. Bluetooth

b. Modulation

c. Throughband

d. Bandwidth

d. Bandwidth

____ transmissions are radio signals sent to and from cell phones via cellular (cell) towers.

a. PM radio

b. Wi-Fi radio

c. Cellular radio

d. Satellite radio

c. Cellular radio

____ is a proposed Wi-Fi standard; expected to support speeds of more than 2 Gbps.

a. 802.11a

b. 802.11g

c. 802.11ax

d. 802.11ac

c. 802.11ax

A network adapter, also called a ____ when it is in the form of an expansion card, is used to connect a computer to a network.

a. network interface card (NIC)

b. powerline card

c. data communications card (DCC)

d. USB

a. network interface card (NIC)

The technique used for data sent over the Internet is ____.

a. packet switching

b. docket switching

c. data switching

d. wideband switching

a. packet switching

Case 7-1

Robert is a medical writer for a pharmaceutical company. The company allows Robert to work from home.

Robert's job is a(n) ____ job.

a. telemarketing

b. e-working

c. telecommuting

d. videoconferencing

c. telecommuting

Case 7-2

Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network.

Gabrielle realizes that to improve network performance, she needs to buy and install a ____, which identifies the device on the network for which the data is intended and sends the data to that device only.

a. node

b. bridge

c. switch

d. bus

c. switch

____ is typically used with LANs that have a star topology and can be used in conjunction with twisted-pair, coaxial, or fiber-optic cabling.

a. Wi-Fi

b. Ethernet

c. 80xx2.11

d. Token Ring

b. Ethernet

In ____, data can move in both directions at the same time, such as with a telephone.

a. half-duplex transmission

b. full-duplex transmission

c. full-simplex transmission

d. half-simplex transmission

b. full-duplex transmission

A(n) ____ is a network designed to service an urban area, typically a city or county.

a. metropolitan area network (MAN)

b. local area network (LAN)

c. intranet

d. supernet

a. metropolitan area network (MAN)

In a ____ network, each computer or device is connected to multiple (sometimes all of the other) devices on the network.

a. bus

b. star

c. ring

d. mesh

d. mesh

Monitoring systems may use ____, which are devices that respond to a stimulus (such as heat, light, or pressure) and generate an electrical signal that can be measured or interpreted.

a. transmitters

b. interpreters

c. IAs

d. sensors

d. sensors

____ cables are continually being improved to increase speed. The fastest cables under development today use multiple cores and/or multiple wavelengths to transmit data as fast as 255 Tbps.

a. Single-wire

b. Twisted pair

c. Fiber-optic

d. Coaxial

c. Fiber-optic

____ was originally developed to carry a large number of high-speed video transmissions at one time, such as to deliver cable TV service.

a. Twisted-pair cable

b. Single-wire cable

c. Fiber-optic cable

d. Coaxial cable

d. Coaxial cable

Similar to Wi-Fi, ____ is designed to provide Internet access to fixed locations (sometimes called hotzones), but the coverage is significantly larger.

a. 802.11b

b. EMax

c. 802.16a

d. WinMax

c. 802.16a

Case 7-1Robert is a medical writer for a pharmaceutical company. The company allows Robert to work from home.

Every day, Robert uses ____ to have a real-time, face-to-face meeting with his boss.

a. intranets

b. telemarketing

c. virtual networks

d. videoconferencing

d. videoconferencing

There must be 24 GPS satellites in orbit at any given time in order to have at least ____ satellites in view from anywhere on the planet.

a. three

b. four

c. ​five

d. six

b. four

The original first-generation cell phones were ____ and designed for voice data only.

a. digital

b. magnetic

c. discrete

d. analog

d. analog

Case 7-2

Gabrielle is the network administrator at a medium-sized company. One of her responsibilities is to purchase network devices to maintain the company network.

Gabrielle is planning to connect selected devices to the network wirelessly with a ____.

a. hub

b. wireless access point

c. switch

d. hotspot

b. wireless access point

An emerging type of mobile phone is the cellular/satellite ____ phone that can be used with cellular service when it is available and then switches to satellite service when cellular service is not available.

a. dual-mode

b. duplex

c. digital

d. dual-core

a. dual-mode

____ is relatively uncommon in data transmissions because most devices that are mainly one-directional, such as a printer, can still transmit error messages and other data back to the computer.

a. Half-duplex transmission

b. Full-duplex transmission

c. Asynchronous transmission

d. Simplex transmission

d. Simplex transmission

Some wireless ____ are created by large organizations to provide free or low-cost Internet access to area residents.

a. PANs

b. LANs

c. WANs

d. MANs

d. MANs

Technically, to be called a ____, a device must convert digital signals (such as those used by a computer) to modulated analog signals (such as those used by conventional telephone lines) and vice versa.

a. modem

b. hub

c. switch

d. router

a. modem

A ____ transmits all data received to all network devices connected to it, regardless of which device the data is being sent to.

a. bridge

b. router

c. hub

d. gateway

c. hub

In ____, data can travel in either direction, but only in one direction at a time.

a. duplex transmission

b. simplex transmission

c. half-simplex transmission

d. half-duplex transmission

d. half-duplex transmission

One of the key enhancements in ____ is energy efficiency.

a. PANs

b. Bluetooth Smart

c. piconets

d. Bluetooth 5.0

b. Bluetooth

____ are earth-based stations that can transmit microwave signals directly to each other over distances of up to about 30 miles.

a. Satellite stations

b. Wi-Fi stations

c. Microwave stations

d. RFID stations

c. Microwave stations

____ is the use of networking technology to provide medical information and services.

a. Remote health

b. Remote medicine

c. Telemedicine

d. Telecommuting

c. Telemedicine

With ____, data is sent one bit at a time, one after the other along a single path.

a. digital transmission

b. wireless transmission

c. parallel transmission

d. serial transmission

d. serial transmission

____ is the use of computers, video cameras, microphones, and networking technologies to conduct face-to-face meetings over a network.

a. Online conferencing

b. Phone conferencing

c. Videoconferencing

d. VoIP conferencing

c. Videoconferencing