Chapter 8 CIS

b.) Home

A LAN used by an individual in their home is called a _____ network. (8.6) a.) wide b.) home c.) metropolitan

c.) Network administer

A ____ is a computer specialist responsible for efficient network operations. (8.5) a.) computer support technician b.) database administrator c.) network administer d.) client e.) software engineer f.) network engineer

b.) Metropolitan

A _____ area network spans a distance larger than a LAN and is frequently used between office buildings. (8.6) a.) personal b.) metropolitan c.) wide d.) local

b.) Modem

A _____ enables digital computers to communicate across different media, including telephone wires, cable lines, and radio waves. (8.3) a.) switch b.) modem c.) NIC

a.) Network administrator

A _____ manages a company's LAN and WAN networks and may be responsible for design, implementation, and maintenance of networks. (8.8) a.) network administrator b.) database designer c.) hardware technician d.) software engineer

a.) Strategy

A network _____ is defined as the way of coordinating the sharing of information. (8.7) a.) strategy b.) topology

a.) Firewall

A(n) _____ consists of hardware and software that control access to a company's intranet and other internal networks. (8.8) a.) firewall b.) virtual private network c.) intrusion detection system

c.) Domain name server

A(n) _____ converts text based URLs into numeric IP Addresses. (8.4) a.) directory server b.) client c.) domain name server

b.) Intrusion detection system

A(n) _____ protects an organization's network using statistical techniques to analyze all incoming and outgoing network traffic. (8.8) a.) firewall b.) intrusion detection system c.) virtual private network

b.) Extranet

An _____ is a private network that connects more than one organization. (8.8) a.) intranet b.) extranet

a.) Intranet

An _____ is a private network within an organization that resembles the internet. (8.8) a.) intranet b.) extranet

a.) Packets

Before messages can be sent across the Internet they must be broken down into small parts called _____. (8.4) a.) packets b.) bits c.) bytes

b.) Packetization

Before messages can be sent across the internet they must be broken down into small parts. This process is called _____. (8.4) a.) identification b.) packetization

Communication ________ carry data from one computer to another.

Channels

a.) Digital

Computers send and receive _____ signals. (8.3) a.) digital b.) analog

a.) Metropolitan area network b.) Local area network d.) Wide area network

Different types of networks are determined by the geographical area they serve and include all of the following: (8.6) a.) metropolitan area network b.) local area network c.) county area network d.) wide area network

b.) Global

GPS stands for _____ positioning system. (8.2) a.) grand b.) global c.) giant

a.) Internet

IP address stands for _____ Protocol Address. (8.4) a.) internet b.) infrared c.) internal

d.) Wireless

If you are connecting to the Internet without a physical communications channel then you are using a _____ connection. (8.3) a.) fiber-optic b.) twisted pair c.) coaxial d.) wireless

c.) Network

If you need to share a printer and exchange information with other employees in your office then you should set up a computer _____. (8.5) a.) client b.) DNS c.) network

a.) Hotspot

If you would like to visit a coffee shop and use your laptop to browse the internet then the coffee shop must have a wireless access point called a _____. (8.6) a.) hotspot b.) gateway c.) hub d.) server

b.) Base station

In a WLAN all communications pass through the network's centrally located wireless access point or _____. (8.6) a.) ethernet station b.) base station c.) host computer

b.) Bus

In a _____ network each device is connected to a common cable and all communications travel along this cable. (8.7) a.) ring b.) bus c.) star d.) tree e.) mesh

b.) Star

In a _____ network, each device is connected directly to a central network switch that receives all messages and then the switch sends messages to the intended recipients. (8.7) a.) hierarchial b.) star c.) mesh d.) tree

b.) Client/server

In a _____network, central computers coordinate and supply services to other nodes on the network. (8.7) a.) peer-to-peer b.) client/server

b.) Network

In a computer network, a _____ interface card is an expansion card located within the system unit that connects the computer to a network. (8.5) a.) host b.) network c.) node d.) switch e.) hub

b.) Host

In a computer network, a _____ is any computer system that can be accessed over a network. (8.5) a.) switch b.) host c.) hub

d.) Directory

In a computer network, a _____ server is a specialized server that manages resources for the network. (8.5) a.) client b.) hub c.) switch d.) directory e.) host f.) node

d.) Hub

In a computer network, a _____ would send a received message to all connected nodes, rather than just the intended node. (8.4) a.) client b.) server c.) host d.) hub e.) network interface card

b.) Network operating system

In a computer network, the _____ controls and coordinates the activities of all computers and other devices on the network. (8.5) a.) client b.) network operating system c.) switch d.) network interface card e.) host f.) server g.) hub h.) node

a.) Proxy

In order to control access to a company's intranet and other internal networks, all communications pass through a _____ server. (8.4) a.) proxy b.) network c.) directory

a.) Communications channel b.) Receiving messages c.) Sending messages d.) Connection device e.) Data transmission specifications

Match each communication system element with the corresponding description. (8.1) sending device, receiving device, communication channel, connection device, data transmission specification a.) medium that carries the message b) accepts messages c.) originates messages d.) the interface between the sending and receiving device and the communication channel. e.) rules and procedures that define how a message will be sent.

a.) sending messages b.) receiving device

Match each device with the corresponding description. (8.1) sending device, receiving device a.) originate messages in the form of data, information, and/or instructions. b.) accept messages in the form of data, information, and/or instructions.

a.) 4G b.) 2G c.) 1 G d.) 3G

Match each mobile telecommunication generation with the corresponding description. (8.3) 1G, 2G, 3G, 4G a.) uses WiMax and LTE connections to provide faster transmission speeds. b.) uses digital radio signals. c.) uses analog radio signals to provide analog voice transmission. d.) provides services capable of effective connectivity to the Internet.

a.) virtual private network b.) firewall c.) intrusion detection system

Match each network security technology with the corresponding description. (8.8) firewall, intrusion detection system, virtual private network a.) creates a secure private connection between a remote user and an organization's internal network. b.) hardware and software that control access to a company's intranet and other internal networks. c.) protects an organization's network using statistical techniques to analyze all incoming and outgoing network traffic.

a.) network administrator b.) client c.) node

Match each term with the corresponding description. (8.5) node, client, network administrator a.) a specialist responsible for network operations. b.) typically a user's computer. c.) any device connected to a network.

c.) Protocols

Rules for exchanging data between computers are known as _____. (8.4) a.) guidelines b.) processes c.) protocols

b.) Availability of powerful network management software c.) Ability to handle very large networks efficiently

Select all the advantages of a client/server network. (8.8) a.) cost of installation b.) availability of powerful network management software c.) ability to handle very large networks efficiently d.) cost of maintenance

b.) People can share expensive equipment. c.) The design of the network is flexible.

Select all the advantages of a local area network. (8.6) a.) they use satellites to reach users over long distances. b.) people can share expensive equipment. c.) the design of the network is flexible.

b.) Easy to use c.) Easy to set up e.) Inexpensive to set up

Select all the advantages of a peer-to-peer network. (8.8) a.) abundance of security controls b.) easy to use c.) easy to set up d.) abundance of management functions e.) inexpensive to set up

a.) Sending and receiving devices c.) Communication channel d.) Connection devices

Select all the basic elements of a communications system. (8.1) a.) sending and receiving devices b.) webcams c.) communication channel d.) connection devices e.) scanning devices

a.) Broadband c.) Voiceband d.) Medium band f.) Baseband

Select all the categories of bandwidth. (8.4) a.) broadband b.) high band c.) voiceband d.) medium band e.) small band f.) baseband

b.) Physical d.) Wireless

Select all the categories of communication channels. (8.2) a.) Voiceband b.) physical c.) TCP/IP d.) wireless

a.) Cost of installation. c.) Cost of maintenance.

Select all the disadvantages of a client/server network. (8.7) a.) cost of installation. b.) lack of powerful network management software. c.) cost of maintenance. d.) unable to handle very large networks efficiently.

b.) Texting c.) Videoconferencing d.) E-mail f.) Electronic commerce

Select all the examples of computer communications. (8.1) a.) databases b.) texting c.) videoconferencing d.) e-mail e.) productivity software f.) electronic commerce

b.) DSL c.) Cellular 3G and 4G d.) Satellite e.) Cable

Select all the examples of high-speed connection services. (8.3) a.) dial-up b.) DSL c.) cellular 3G and 4G d.) satellite e.) cable

b.) Windows Server c.) Linux d.) Mac OS X Server e.) Solaris

Select all the examples of server operating systems. (8.7) a. Lion b.) Windows Server c.) Linux d.) Mac OS X Server e.) Solaris f.) Windows XP

a.) Wi-Fi c.) Microwave e.) Satellite f.) WiMax g.) Bluetooth i.) LTE

Select all the examples of wireless connections. (8.2) a.) Wi-Fi b.) coaxial c.) microwave d.) fiber-optic e.) satellite f.) wiMax g.) bluetooth h.) twisted-pair i.) LTE

a.) Bandwidth b.) Protocols

Select all the factors that affect how data is transmitted. (8.4) a.) bandwidth b.) protocols c.) connection devices d.) communication channels

a.) Peer-to-peer b.) Client/server d.) P2P

Select all the network strategies. (8.7) a.) peer-to-peer b.) client/server c.) star d.) P2P e.) mesh f.) tree

b.) Mesh d.) Bus e.) Star f.) Ring g.) Tree

Select all the network topologies. (8.7) a.) DSL b.) mesh c.) ethernet d.) bus e.) star f.) ring g.) tree

a.) Wireless b.) Cable d.) Telephone f.) DSL

Select all the types of modems. (8.3) a.) wireless b.) cable c.) DNS d.) telephone e.) fios f.) DSL

b.) Intranet d.) Extranet

Select the Internet technologies to support effective communication within and between organizations. (8.8) a.) internal b.) intranet c.) external d.) extranet

a.) Identify sending and receiving devices. b.) Break information into small parts.

Select the essential features of TCP/IP. (8.4) a.) identify sending and receiving devices. b.) break information into small parts. c.) read information when it is sent. d.) compile information when it is received.

a.) Analog

Telephone lines typically send and receive _____ signals which are continuous electronic waves. (8.3) a.) analog b.) digital

a.) Network gateway

The _____ is a device that allows one LAN to be linked to other LANs or to larger networks. (8.6) a.) network gateway b.) switch c.) hub d.) network interface card

a.) Communication channel

The actual transmission medium that carries a message is called the _____. (8.1) a.) communication channel b.) cable c.) physical wire d.) radio wave

b.) Topology

The arrangement and configuration of a network is called the network's _____. (8.7) a.) strategy b.) topology

b.) Topologies and strategies

The network architecture describes the network _____. (8.7) a.) protocols and descriptions b.) topologies and strategies c.) diagrams and rules

b.) Transfer rate

The speed at which modems transmit data is called the _____. (8.3) a.) access speed b.) transfer rate c.) modulation rate

c.) Baseband

This bandwidth is used to connect computers that are located close to one another and are as fast as broadband but cannot support multiple connections simultaneously. (8.4) a.) voiceband b.) medium band c.) baseband

d.) Telephone

This type of modem connects a computer directly to a telephone line. (8.3) a.) wireless b.) DSL c.) cable d.) telephone

c.) DSL

This type of modem creates a high speed connection directly to the phone company using the computer's USB or Ethernet port. (8.3) a.) cable b.) telephone c.) DSL d.) wireless

b.) Wireless

This type of modem is a small plug-in USB or ExpressCard device that provides portable high-speed connectivity from anywhere. (8.3) a.) telephone b.) wireless c.) cable d.) DSL

a.) Cable

This type of modem uses coaxial cable to create a high-speed connection using the computer's USB or Ethernet port. (8.3) a.) cable b.) DSL c.) wireless d.) telephone

c.) Modem

To convert digital signals to analog signals you need a _____. (8.3) a.) DVD b.) router c.) modem

b.) Microwave

WiMax stands for Worldwide Interoperability for _____ Access. (8.3) a.) multiple b.) microwave c.) megabyte

________ technology dos not need a physical communications channels as it can send data through the air.

Wireless

b.) Communications

Without computer _____, we would not have e-mail or e-commerce. (8.1) a.) caching b.) communications c.) transferring

b.) Wide

_____ area networks span distances of a country and are even worldwide. (8.6) a.) local b.) wide c.) metropolitan d.) personal

b.) 3G and 4G

_____ cellular networks provide wireless connectivity to the Internet. (8.3) a.) T1 and T3 b.) 3G and 4G c.) DSL and ADSL

c.) Communication

_____ channels are an essential element of every communication system that carry data from one computer to another. (8.2) a.) transfer b.) GPS c.) communication

c.) Satellite

_____ connection services provide wireless connections and are available almost anywhere using a satellite-receiving disk. (8.3) a.) cable b.) cellular c.) satellite d.) DSI

b.) FiOS

_____ is a connection service offered by Verizon with speeds faster than cable or DSL connections. (8.3) a.) ADSL b.) FiOS c.) Satellite

c.) Bandwidth

_____ is a measurement of the capacity of the communication channel. (8.4) a.) communication width b.) channel width c.) bandwidth d.) channel capacity

b.) Bluetooth

_____ is a short-range radio communication standard that transmits data over short distances. (8.2) a.) microwave b.) bluetooth c.) satellite d.) infrared

b.) Ethernet

_____ is the most common standard in which the nodes of a LAN can be connected to one another and ways in which their communications are connected. (8.6) a.) ultranet b.) ethernet c.) localnet

a.) Communications

_____ systems are electronic systems that transmit data from one location to another. (8.1) a.) communications b.) e-mail c.) messaging d.) e-commerce