Question 1

Describe an intelligent terminal.

Accepted Answer

The answer of Describe an intelligent terminal....

Question 2

The _____ of the Open Systems Interconnection (OSI)model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error,in sequence,and with no loss or duplication.

Accepted Answer

A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer

Question 3

A network interface card (NIC)operates at the Open Systems Interconnection (OSI)model's _____ layers.

Accepted Answer

A) Presentation and Application 
B) Session and Presentation 
C) Network and Transport 
D) Physical and Data Link

Question 4

Data communication systems increase inventory costs.

Accepted Answer

A) True 
 B)False

Question 5

An access point (AP)is the part of a wireless local area network (WLAN)that connects it to other networks.

Accepted Answer

A) True 
 B)False

Question 6

Protocols are devices that connect users to the Internet.

Accepted Answer

A) True 
 B)False

Question 7

What are the major types of networks?

Accepted Answer

The answer of What are the major types of networks?...

Question 8

In the two-tier architecture of the client / server model,_____.

Accepted Answer

A) the presentation logic is always on the client 
B) the data management logic is always on the client 
C) the application logic is always on the server 
D) the application logic is always on the client

Question 9

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

Accepted Answer

A) True 
 B)False

Question 10

Any packet-switching network can handle multimedia data.

Accepted Answer

A) True 
 B)False

Question 11

Data communication technologies make Web and video conferencing easier,which can reduce the costs of business travel.

Accepted Answer

A) True 
 B)False

Question 12

A hierarchical topology is also called a _____ topology.

Accepted Answer

A) layered 
B) mixed 
C) tree 
D) vertical

Question 13

_____ 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 modem

Question 14

In _____,each department has its own computer for performing processing tasks.

Accepted Answer

A) centralized processing 
B) decentralized processing 
C) distributed processing 
D) modular processing

Question 15

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.

Accepted Answer

A) Time Division Multiple Access 
B) time of observation 
C) statistical time division multiplexing 
D) Time Slot Allocation

Question 16

List few drawbacks of decentralized systems.

Accepted Answer

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

Question 17

The data transfer speed of a wide area network (WAN)depends on the speed of _____.

Accepted Answer

A) its interconnections 
B) its application layers 
C) the expansion of the data source 
D) the expansion of the data sink

Question 18

Which event takes place in the most basic client / server configuration?

Accepted Answer

A) The results of a query are sent to the server. 
B) The server sends a request to the client over a network. 
C) The client receives and processes a query. 
D) The user creates a query by running client software.

Question 19

In a(n)_____ topology,if any link between nodes is severed,the entire network is affected,and failure of a single node disrupts the entire network.

Accepted Answer

A) star 
B) ring 
C) octagonal 
D) mesh

Question 20

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 layer

Exam 6: Data Communication: Delivering Information Anywhere and Anytime

Describe an intelligent terminal.

The _____ of the Open Systems Interconnection (OSI) model generates the receiver's address and ensures the integrity of messages by making sure packets are delivered without error,in sequence,and with no loss or duplication.

A network interface card (NIC) operates at the Open Systems Interconnection (OSI) model's _____ layers.

Data communication systems increase inventory costs.

An access point (AP)is the part of a wireless local area network (WLAN)that connects it to other networks.

Protocols are devices that connect users to the Internet.

What are the major types of networks?

In the two-tier architecture of the client / server model,_____.

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

Any packet-switching network can handle multimedia data.

Data communication technologies make Web and video conferencing easier,which can reduce the costs of business travel.

A hierarchical topology is also called a _____ topology.

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

In _____,each department has its own computer for performing processing tasks.

In the context of the technologies developed to improve the efficiency and quality of digital communications,_____ divides each channel into six time slots.

List few drawbacks of decentralized systems.

The data transfer speed of a wide area network (WAN) depends on the speed of _____.

Which event takes place in the most basic client / server configuration?

In a(n) _____ topology,if any link between nodes is severed,the entire network is affected,and failure of a single node disrupts the entire network.

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