Question 1

Data communication systems increase inventory costs.

Accepted Answer

A) True 
 B)False

Question 2

In the__________, the application logic is usually on the client side.

Accepted Answer

A)   session tier architecture
B)   two-tier architecture
C)   middle-tier architecture
D)   data tier architecture
E)   SelectF) B) and C)
G) A) and E)

Question 3

The _____ of the Open Systems Interconnection (OSI)  model provides services that support users' tasks, such as file transfers, database access, and e-mail.

Accepted Answer

A)   Application layer
B)   Presentation layer
C)   Network layer
D)   Data Link layerE) A) and D)
F) A) and C)

Question 4

The Wi-Fi Protected Access 2 (WPA2)  uses _____ to obtain a master key, which is in turn used to negotiate for a key that will be used for a session.

Accepted Answer

A)   Internet Protocol
B)   Service Set Identifier
C)   Wired Equivalent Privacy
D)   Extensible Authentication ProtocolE) A) and B)
F) All of the above

Question 5

A__________is designed to handle data communication for multiple organizations in a city and sometimes nearby cities as well.

Accepted Answer

A)   controller area network
B)   metropolitan area network
C)   wide area network
D)   local area network
E)   SelectF) C) and E)
G) B) and C)

Question 6

Wireless network traffic can be captured with sniffers.

Accepted Answer

A) True 
 B)False

Question 7

_____ allows the linking of devices running on many different platforms.

Accepted Answer

A)   Time Division Multiple Access
B)   Transmission Control Protocol/Internet Protocol
C)   A mobile telephone switching office
D)   A public switched telephone networkE) B) and D)
F) All of the above

Question 8

Terrestrial microwave systems use radio control transmitters and receivers for transmitting data.

Accepted Answer

A) True 
 B)False

Question 9

The data transfer speeds of local area networks (LANs) are typically below 100 Mbps.

Accepted Answer

A) True 
 B)False

Question 10

Transmission of data across satellites is an example of data communication through _____.

Accepted Answer

A)   conducted media
B)   radiated media
C)   induced media
D)   uprooted mediaE) All of the above
F) A) and C)

Question 11

Protocols are devices that connect users to the Internet.

Accepted Answer

A) True 
 B)False

Question 12

A _____ represents a network's physical layout.

Accepted Answer

A)   network utility
B)   network packet
C)   network protocol
D)   network topologyE) B) and D)
F) None of the above

Question 13

_____ are used to connect computers, hubs, switches, and routers to a network in a local area network (LAN) .

Accepted Answer

A)   Ethernet cables
B)   Satellites
C)   Fiber-optic cables
D)   Terrestrial microwavesE) C) and D)
F) All of the above

Question 14

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

Accepted Answer

A)   An analog modem
B)   Digital subscriber line
C)   Code division multiple access
D)   A cable modemE) A) and C)
F) C) and D)

Question 15

In data communication, the _____ is a packet-switching service that operates at 25 Mbps and 622 Mbps, with maximum speed of up to 10 Gbps.

Accepted Answer

A)   4G network
B)   Asynchronous Transfer Mode
C)   3G network
D)   IP multimedia subsystemE) B) and C)
F) All of the above

Question 16

Identify an advantage of the bus topology.

Accepted Answer

A)   It makes fault diagnosis easy.
B)   It detects problems easily due to its centralized control.
C)   It handles steady traffic well.
D)   It is effective even when network traffic is heavy.E) B) and D)
F) B) and C)

Question 17

A(n)  _____ is a network connection device that can build tables that identify addresses on each network.

Accepted Answer

A)   switch
B)   adapter card
C)   dynamic router
D)   hubE) A) and C)
F) B) and C)

Question 18

Local area networks (LANs)  are used to _____.

Accepted Answer

A)   integrate services to a single building or campus
B)   link computers that are geographically far apart
C)   connect various wide area networks in metropolitan areas
D)   provide communication services spanning several cities or statesE) B) and D)
F) All of the above

Question 19

Internet Protocol (IP)  operates at the _____ of the Open Systems Interconnection (OSI)  model.

Accepted Answer

A)   Transport layer
B)   Physical layer
C)   Data Link layer
D)   Network layerE) A) and D)
F) A) and C)

Question 20

_____ is the amount of data that can be transferred from one point to another in one second.

Accepted Answer

A)   Bandwidth
B)   Packet
C)   Latency
D)   ProtocolE) C) and D)
F) B) and C)

Exam 6: Data Communication: Delivering Information Anywhere and Anytime

_____ allows the linking of devices running on many different platforms.

Correct AnswerverifiedShow Answer

_____ are used to connect computers, hubs, switches, and routers to a network in a local area network (LAN) .

Correct AnswerverifiedShow Answer

Internet Protocol (IP) operates at the _____ of the Open Systems Interconnection (OSI) model.

Correct AnswerverifiedShow Answer

The data transfer speeds of local area networks (LANs) are typically below 100 Mbps.

Correct AnswerverifiedShow Answer

The _____ of the Open Systems Interconnection (OSI) model provides services that support users' tasks, such as file transfers, database access, and e-mail.

Correct AnswerverifiedShow Answer

In the__________, the application logic is usually on the client side.

Correct AnswerverifiedShow Answer

Terrestrial microwave systems use radio control transmitters and receivers for transmitting data.

Correct AnswerverifiedShow Answer

Data communication systems increase inventory costs.

Correct AnswerverifiedShow Answer

Identify an advantage of the bus topology.

Correct AnswerverifiedShow Answer

A _____ represents a network's physical layout.

Correct AnswerverifiedShow Answer

A__________is designed to handle data communication for multiple organizations in a city and sometimes nearby cities as well.

Correct AnswerverifiedShow Answer

_____ is the amount of data that can be transferred from one point to another in one second.

Correct AnswerverifiedShow Answer

Transmission of data across satellites is an example of data communication through _____.

Correct AnswerverifiedShow Answer

Wireless network traffic can be captured with sniffers.

Correct AnswerverifiedShow Answer

A(n) _____ is a network connection device that can build tables that identify addresses on each network.

Correct AnswerverifiedShow Answer

Local area networks (LANs) are used to _____.

Correct AnswerverifiedShow Answer

Protocols are devices that connect users to the Internet.

Correct AnswerverifiedShow Answer

In data communication, the _____ is a packet-switching service that operates at 25 Mbps and 622 Mbps, with maximum speed of up to 10 Gbps.

Correct AnswerverifiedShow Answer

The Wi-Fi Protected Access 2 (WPA2) uses _____ to obtain a master key, which is in turn used to negotiate for a key that will be used for a session.

Correct AnswerverifiedShow Answer

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified