Question 1

The _____ of the Open Systems Interconnection (OSI) model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data, or bits, over a communication network.

Accepted Answer

A)  Application layer 
B)  Transport layer 
C)  Data Link layer 
D)  Physical layer

Question 2

The process of deciding which path data takes on a network is called _____.

Accepted Answer

A)  converging 
B)  diverging 
C)  roaming 
D)  routing

Question 3

Describe a ring topology.

Accepted Answer

The answer of Describe a ring topology....

Question 4

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 5

A(n) _____ is a device that connects a user to the Internet.

Accepted Answer

A)  drafter 
B)  modem 
C)  cookie 
D)  applet

Question 6

A hierarchical topology is also called a _____.

Accepted Answer

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

Question 7

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 layer

Question 8

_____ 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 microwaves

Question 9

Identify a topology used by traditional mainframe networks.

Accepted Answer

A)  A ring topology 
B)  A star topology 
C)  A mesh topology 
D)  A hierarchical topology

Question 10

_____is a set of rules that governs data communication, including error detection, message length, and transmission speed. ​

Accepted Answer

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

Question 11

Compared with a star topology, a hierarchical topology:

Accepted Answer

A)  allows network expansion more easily. 
B)  has cable layouts that are easy to modify. 
C)  offers a great deal of network control and lower cost. 
D)  is more effective at handling heavy but short bursts of traffic.

Question 12

A _____ represents a network's physical layout.

Accepted Answer

A)  network utility 
B)  network packet 
C)  network protocol 
D)  network topology

Question 13

Which of the following events 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 14

What are the disadvantages of centralized routing? Give an example.

Accepted Answer

The answer of What are the disadvantages of centralized routing?...

Question 15

Explain the advantages of distributed processing.

Accepted Answer

The answer of Explain the advantages of distributed processing....

Question 16

A ring topology needs more cables to connect the nodes within a network than a star topology.

Accepted Answer

A) True 
 B)False

Question 17

Identify a true statement about the different forms of sender and receiver devices.

Accepted Answer

A)  Thin clients have no processing power. 
B)  Smart terminals are full-featured computers. 
C)  Workstations are the same as supercomputers. 
D)  Netbook computers do not save data to servers.

Question 18

How is a Service Set Identifier (SSID) used to improve the security of a wireless network?

Accepted Answer

The answer of How is a Service Set Identifier (SSID)...

Question 19

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 20

The computers in a local area network (LAN) are usually connected to the network via a hardware component called a(n) _____.

Accepted Answer

A)  broadcast radio 
B)  adapter card 
C)  html address 
D)  network protocol

Exam 6: Data Communication

The _____ of the Open Systems Interconnection (OSI) model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data, or bits, over a communication network.

The process of deciding which path data takes on a network is called _____.

Describe a ring topology.

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

A(n) _____ is a device that connects a user to the Internet.

A hierarchical topology is also called a _____.

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

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

Identify a topology used by traditional mainframe networks.

_____is a set of rules that governs data communication, including error detection, message length, and transmission speed.

Compared with a star topology, a hierarchical topology:

A _____ represents a network's physical layout.

Which of the following events takes place in the most basic client / server configuration?

What are the disadvantages of centralized routing? Give an example.

Explain the advantages of distributed processing.

A ring topology needs more cables to connect the nodes within a network than a star topology.

Identify a true statement about the different forms of sender and receiver devices.

How is a Service Set Identifier (SSID) used to improve the security of a wireless network?

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

The computers in a local area network (LAN) are usually connected to the network via a hardware component called a(n) _____.

Exam 6: Data Communication

The _____ of the Open Systems Interconnection (OSI) model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data, or bits, over a communication network.

The process of deciding which path data takes on a network is called _____.

Describe a ring topology.

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

A(n) _____ is a device that connects a user to the Internet.

A hierarchical topology is also called a _____.

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

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

Identify a topology used by traditional mainframe networks.

_____is a set of rules that governs data communication, including error detection, message length, and transmission speed. ​

Compared with a star topology, a hierarchical topology:

A _____ represents a network's physical layout.

Which of the following events takes place in the most basic client / server configuration?

What are the disadvantages of centralized routing? Give an example.

Explain the advantages of distributed processing.

A ring topology needs more cables to connect the nodes within a network than a star topology.

Identify a true statement about the different forms of sender and receiver devices.

How is a Service Set Identifier (SSID) used to improve the security of a wireless network?

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

The computers in a local area network (LAN) are usually connected to the network via a hardware component called a(n) _____.

_____is a set of rules that governs data communication, including error detection, message length, and transmission speed.