Chapters 23-26 Quiz
The term DSL stands for this. a. Digital Subscriber Line b. Digital Subscriber Link c. Digital Subscription Line d. Digital Subscription Link
A. Digital Subscriber Line
Most telephones are this. a. analog-based b. digital-based c. leased line d. radio-telephone
A. analog-based
A modem's speed is measured in ____. a. bits per second b. bytes per second c. bits per minute d. bytes per second
A. bits per second
Large businesses usually use this kind of network. a. client/server network b. client/workstation network c. peer-to-peer network d. time sharing network
A. client/server network
Computers communicate via wireless ____. a. networks b. phones c. cells d. lines
A. networks
What does POS stand for? a. point-of-sale b. postal operating system c. peripheral office standard d. none of the above
A. point-of-sale
This sets a standard format for data and rules for handling it. a. protocol b. language c. network interface card d. network medium
A. protocol
This type of network is usually small, made up of two to ten computers. a. peer-to-peer network b. local area network c. time sharing system d. workstation network
A.peer-to-peer network
What does the term PSTN stand for? a. Private Switched Telephone Network b. Public Switched Telephone Network c. Personal Switched Telephone Network d. Passively Switched Telephone Network
B. Public Switched Telephone Network
This can be used to link together LANs in different cities. a. hub b. WAN c. file server d. NIC
B. WAN
Companies can protect WAN by _____. a. adding more LANs b. adding more high-speed lines c. groupware d. protecting LANS
B. adding more high-speed lines
This is a high-speed line that carries data through a network. a. POP b. backbone c. intranet d. Internet
B. backbone
Printers are examples of this type of device. a. workstation b. peripheral c. medium d. terminal
B. peripheral
Cell phones transmit messages by using? a. twisted pair wire b. radio signals c. infrared light d. none of the above
B. radio signals
Cellular phones use this to communicate. a. infrared signals b. radio waves c. lasers d. wires
B. radio waves
The OSI has _____ layers. a. six b. seven c. three d. five
B. seven
This is the most common topology used in LANs today. a. ring b. star bus c. star d. mesh
B. star bus
Sending information over a telephone network is called ____. a. calling b. telecommunications c. networking d. faxing
B. telecommunications
When you place a cellular call, the MTSO selects a frequency and a ____. a. network b. tower c. phone d. line
B. tower
What does the term DBS stand for? a. Digital Broadcast Satellite b. Dialup Broadcast Satellite c. Direct Broadcast Satellite d. Data Broadcast Satellite
C. Direct Broadcast Satellite
What does the term MTSO stand for? a. Mobile Telephone Sending Office b. Mobil Telephone Serving Office c. Mobile Telephone Switching Office d. none of the above
C. Mobile Telephone Switching Office
This is a small, highly portable handheld computer. a. cell phone b. MTSO c. PDA d. none of the above
C. PDA
This allows an MTSO to interact with a long-distance provider. a. cell site b. PDA c. leased line d. radiotelephone
C. leased line
The science of designing a network is called _____. a. topology b. hub topology c. network architecture d. network science
C. network architecture
When someone calls your cell phone, the cellular service provider locates the phone by _____.
Cell
What does OSI stand for? a. Open Source Infor-mation b. Open Standards Inter-national c. Open Systems Inter-face d. Open Systems Inter-connection
D. Open Systems Inter-connection
How many users can LAN have? a. 10 b.several dozen c. several hundred d. any of the above
D. any of the above
Which of the following can be shared over a computer network? a. files b. programs c. printers d. any of the above
D. any of the above
What does CTI stand for? a. computer telephone integration b. computers telephones integration c. computerized tele-phone integration d. computer telephony integration
D. computer telephony integration
All the computers on a network must ____. a. use the same hard-ware b. speak the same language c. run the same way d. none of the above
D. none of the above
This type of device allows users to participate in a time sharing system. a. computer b. workstation c. network d. terminal
D. terminal
This is what the network's layout is called. a. packet transmission b. network layer c. OSI d. topology
D. topology
Which of the following is a drawback to mesh topology? a. cross connections b. used in Internet c. multiple paths d. very expensive
D. very expensive
A telephone company's common network, or local loop, is an entirely digital system. T/F
False
Today's modems can transmit data at speeds up to 300 bits per second. T/F
False
Mesh topology is usually used in the ______ structure.
Internet
Because they must convert data between digital and analog forms, fax machines have built-in modems. T/F
True
Telephones and fax machines are forms of telecommunications. T/F
True
The more bandwidth, the faster the connection. T/F
True
The Open Systems Interconnection, or OSI, model has _____ layers.
seven