Question 1

Describe the responsibilities of the Transport Layer of the Open Systems Interconnection (OSI)model.

Accepted Answer

The answer of Describe the responsibilities of the Transport Layer...

Question 2

Identify a true statement about convergence in data communication.

Accepted Answer

A) It changes the path that data takes each time a connection is made. 
B) It allows transmission of a limited amount of information in a specific period of time. 
C) It requires major network upgrades,because video requires much more bandwidth. 
D) It is used to synchronize devices before establishing a communication link.

Question 3

_________ 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

A) SSID (Service Set Identifier) 
B) WEP (Wired Equivalent Privacy) 
C) EAP (Extensible Authentication Protocol) 
D) WPA (Wi-Fi Protected Access)​

Question 4

Transmission of data across satellites is through _____.

Accepted Answer

A) conducted media 
B) radiated media 
C) induced media 
D) uprooted media

Question 5

List the common applications of convergence.

Accepted Answer

The answer of List the common applications of convergence....

Question 6

The bus topology connects nodes along a network segment,with the ends connected in a manner similar to a ring topology.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following allows the linking of devices running on many different platforms?

Accepted Answer

A) Time Division Multiple Access (TDM
A)  
B) Transmission Control Protocol (TCP) 
C) Mobile Telephone Switching Office (MTSO) 
D) Code Division Multiple Access (CDM
A)

Question 8

Identify an advantage of the bus topology.

Accepted Answer

A) It eases fault diagnosis. 
B) It detects problems easily due to its centralized control. 
C) It handles steady traffic well. 
D) It is more effective when network traffic is heavy.

Question 9

How do cable modems connect users to the Internet?

Accepted Answer

The answer of How do cable modems connect users to...

Question 10

List three drawbacks of decentralized systems.

Accepted Answer

The answer of List three drawbacks of decentralized systems....

Question 11

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

Accepted Answer

A) switch 
B) adapter card 
C) dynamic router 
D) hub

Question 12

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 (WANs)in metropolitan areas 
D) provide communication services spanning several cities or states

Question 13

Identify a topology used by traditional mainframe networks.

Accepted Answer

A) Ring topology 
B) Star topology 
C) Mesh topology 
D) Hierarchical topology

Question 14

A _____ network is a network operating on a radio frequency (RF),consisting of radio cells,each served by a fixed transmitter.

Accepted Answer

A) dynamic 
B) mobile 
C) mesh 
D) wired

Question 15

In the context of mobile networking,3G networks have increased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Accepted Answer

A) True 
 B)False

Question 16

Identify an advantage of a hierarchical topology over a star topology.

Accepted Answer

A) The hierarchical topology offers a great deal of network control,compared to the star topology. 
B) The hierarchical topology is more effective at handling heavy but short bursts of traffic,compared to the star topology. 
C) The hierarchical topology allows network expansion easily,compared to the star topology. 
D) The hierarchical topology's cable layouts are easy to modify,compared to the star topology.

Question 17

_________ is a set of rules that govern data communication,including error detection,message length,and transmission speed.

Accepted Answer

A) Throughput 
B) Attenuation 
C) Topology 
D) Protocol

Question 18

In the bus topology,a hardware device called _____ is used at each end of the cable to absorb the transmitted signal.

Accepted Answer

A) emulator 
B) terminator 
C) stopper 
D) node

Question 19

A _____ is a hardware device that allows several nodes to share one communication channel.

Accepted Answer

A) multiplexer 
B) controller 
C) terminator 
D) router

Question 20

Any packet-switching network can handle multimedia data.

Accepted Answer

A) True 
 B)False

Exam 6: Data Communication: Delivering Information Anywhere and Anytime

Describe the responsibilities of the Transport Layer of the Open Systems Interconnection (OSI)model.

Identify a true statement about convergence in data communication.

_________ 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.

Transmission of data across satellites is through _____.

List the common applications of convergence.

The bus topology connects nodes along a network segment,with the ends connected in a manner similar to a ring topology.

Which of the following allows the linking of devices running on many different platforms?

Identify an advantage of the bus topology.

How do cable modems connect users to the Internet?

List three drawbacks of decentralized systems.

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

Local area networks (LANs) are used to _____.

Identify a topology used by traditional mainframe networks.

A _____ network is a network operating on a radio frequency (RF) ,consisting of radio cells,each served by a fixed transmitter.

In the context of mobile networking,3G networks have increased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

Identify an advantage of a hierarchical topology over a star topology.

_________ is a set of rules that govern data communication,including error detection,message length,and transmission speed.

In the bus topology,a hardware device called _____ is used at each end of the cable to absorb the transmitted signal.

A _____ is a hardware device that allows several nodes to share one communication channel.

Any packet-switching network can handle multimedia data.