Question 1

In the context of different network types,a(n) _____ is designed to handle data communication for multiple organizations in a city and sometimes nearby cities as well.

Accepted Answer

The answer of In the context of different network types,a(n)...

Question 2

A(n) _____ is a collection of binary digits,including message data and control characters for formatting and transmitting,sent from computer to computer over a network.

Accepted Answer

The answer of A(n) _____ is a collection of binary...

Question 3

Both Wireless LANs (WLANs) and Wireless WANs (WWANs) rely on the _____ as the communication medium.

Accepted Answer

The answer of Both Wireless LANs (WLANs) and Wireless WANs...

Question 4

A _____ is a network operating on a radio frequency (RF),consisting of radio cells,each served by a fixed transmitter.
A) dynamic network
B) mobile network
C) mesh network
D) wired network

Accepted Answer

A mobile network is a network operating on a radio frequency (RF) and consists of radio cells, each served by a fixed transmitter. It is designed to allow mobile devices to communicate wirelessly while moving. Dynamic network, mesh network, and wired network do not specifically refer to networks operating on radio frequencies.

Question 5

_____ is a voice-grade transmission channel capable of transmitting a maximum of 56,000 bps,so only a limited amount of information can be transferred in a specific period of time.

Accepted Answer

The answer of _____ is a voice-grade transmission channel capable...

Question 6

In the context of different network types,a(n) _____ is typically used to connect workstations and peripheral devices that are in close proximity.

Accepted Answer

The answer of In the context of different network types,a(n)...

Question 7

In data communication,_____ refers to integrating voice,video,and data so that multimedia information can be used for decision making.
A) attenuation
B) convergence
C) telepresence
D) routing

Accepted Answer

Convergence refers to the integration of voice, video, and data into a single network, allowing for multimedia communication and decision making. Attenuation refers to the loss of signal strength over distance, telepresence refers to advanced video conferencing technology, and routing refers to the process of directing network traffic.

Question 8

_____ is a technique to improve the security of wireless networks,which combines the strongest features of Wired Equivalent Privacy (WEP) and Extensible Authentication Protocol (EAP) techniques.

Accepted Answer

The answer of _____ is a technique to improve the...

Question 9

_____ refers to using a cellular phone outside of a carrier's limited service area.
A) Routing
B) Teleprocessing
C) Roaming
D) Surfing

Accepted Answer

Roaming refers to using a cellular phone outside of a carrier's limited service area.

Question 10

In the context of communication media,_____ provide a physical path along which signals are transmitted,including twisted pair cable,coaxial cable,and fiber optics.

Accepted Answer

The answer of In the context of communication media,_____ provide...

Question 11

In a(n) _____ architecture,the application logic is usually on the client side.

Accepted Answer

The answer of In a(n) _____ architecture,the application logic is...

Question 12

A(n) _____ topology works well for companies that are geographically dispersed.

Accepted Answer

The answer of A(n) _____ topology works well for companies...

Question 13

_____ is the loss of power in a signal as it travels from the sending device to the receiving device.

Accepted Answer

The answer of _____ is the loss of power in...

Question 14

The Wi-Fi Protected Access (WPA2) uses _____ to obtain a master key,which is in turn used to negotiate for a key that will be used for a session.
A) Internet Protocol (IP) address
B) Service Set Identifier (SSID)
C) Wired Equivalent Privacy (WEP)
D) Extensible Authentication Protocol (EAP)

Accepted Answer

The Wi-Fi Protected Access (WPA2) uses Extensible Authentication Protocol (EAP) to obtain a master key, which is used to negotiate for a key that will be used for a session. EAP is a protocol that provides a framework for various authentication methods, including passwords, smart cards, and certificates.

Question 15

Communication media that use an antenna for transmitting data through air or water are called _____.

Accepted Answer

The answer of Communication media that use an antenna for...

Question 16

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.
A) Time Division Multiple Access (TDMA)
B) Transmission Control Protocol (TCP)
C) Mobile Telephone Switching Office (MTSO)
D) Code Division Multiple Access (CDMA)

Accepted Answer

Time Division Multiple Access (TDMA) divides each channel into six time slots, allowing multiple users to share the same frequency band by transmitting in different time slots.

Question 17

The _____ model is a seven-layer architecture for defining how data is transmitted from computer to computer in a network.

Accepted Answer

The answer of The _____ model is a seven-layer architecture...

Question 18

In _____ routing,one node is in charge of selecting the path for all packets.

Accepted Answer

The answer of In _____ routing,one node is in charge...

Question 19

In the context of different processing configurations,a(n) _____ processing system was justified because data-processing personnel were in short supply,hardware and software were expensive,and only large organizations could afford computers.

Accepted Answer

The answer of In the context of different processing configurations,a(n)...

Question 20

_____ are rules that govern data communication,including error detection,message length,and transmission speed.

Accepted Answer

The answer of _____ are rules that govern data communication,including...

Quiz 6: Data Communication: Delivering Information Anywhere and Anytime