Question 1

Which of the following correctly represents order of the seven layers of the OSI model from layer 1 to layer 7?

Accepted Answer

A) physical, network, data link, session, transport, application, presentation 
B) physical, data link, network, transport, session, application, presentation 
C) physical, data link, network, transport, session, presentation, application 
D) data link, physical, network, session, transport, application, presentation 
E) data link, physical, network, transport, session, presentation, application 
A) physical, network, data link, session, transport, application, presentation 
B) physical, data link, network, transport, session, application, presentation 
C) physical, data link, network, transport, session, presentation, application 
D) data link, physical, network, session, transport, application, presentation 
E) data link, physical, network, transport, session, presentation, application

Question 2

How are Internet standards developed? What is a de facto standard?

Accepted Answer

Internet standards are developed through

Question 3

In which layer of the Internet model would the HTTP standard be used?

Accepted Answer

A) physical 
B) application 
C) transport 
D) network 
E) data link 
A) physical 
B) application 
C) transport 
D) network 
E) data link

Question 4

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

Accepted Answer

VoIP stands for Voice over Internet Prot

Question 5

Describe two important data communications standards-making bodies.How do they differ?

Accepted Answer

Two important data communications standa

Question 6

A network administrator has received several reports from users of the network that the intranet website on one of company servers is not accessible, but the same users are still able to retrieve their email being stored on the same server.What layer of the Internet model does this problem appear to reside at?

Accepted Answer

A) physical 
B) transport 
C) network 
D) application 
E) data link 
A) physical 
B) transport 
C) network 
D) application 
E) data link

Question 7

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

Accepted Answer

A) True 
 B)False

Question 8

What is the difference between an extranet and intranet?

Accepted Answer

An extranet and an intranet are both typ

Question 9

Which of the following is not true about de facto standards?

Accepted Answer

A) They never evolve into de jure standards. 
B) They are those standards that emerge in the marketplace. 
C) They tend not to be developed by an official industry or government body. 
D) They are generally supported by more than one vendor but de facto standards have no official standing. 
E) They tend to emerge based upon the needs/response of the marketplace. 
A) They never evolve into de jure standards. 
B) They are those standards that emerge in the marketplace. 
C) They tend not to be developed by an official industry or government body. 
D) They are generally supported by more than one vendor but de facto standards have no official standing. 
E) They tend to emerge based upon the needs/response of the marketplace.

Question 10

A backbone network is:

Accepted Answer

A) a high speed central network that connects other networks in a distance spanning up to several miles. 
B) a group of personal computers or terminals located in the same general area and connected by a common cable communication circuit) so they can exchange information. 
C) a network spanning a geographical area that usually encompasses a city or county area 3 to 30 miles). 
D) a network spanning a large geographical area up to 1000s of miles). 
E) a network spanning exactly 200 miles with common carrier circuits. 
A) a high speed central network that connects other networks in a distance spanning up to several miles. 
B) a group of personal computers or terminals located in the same general area and connected by a common cable communication circuit) so they can exchange information. 
C) a network spanning a geographical area that usually encompasses a city or county area 3 to 30 miles). 
D) a network spanning a large geographical area up to 1000s of miles). 
E) a network spanning exactly 200 miles with common carrier circuits.

Question 11

The _________ layer is responsible for routing of messages from the sender to the final destination.

Accepted Answer

A) data communication layer 
B) resident layer 
C) application layer 
D) network layer 
E) physical layer 
A) data communication layer 
B) resident layer 
C) application layer 
D) network layer 
E) physical layer

Question 12

BYOD stands for

Accepted Answer

A) Bring Your Own Device 
B) Bring Your Own Database 
C) Build Your Own Device 
D) Build Your Own Database 
A) Bring Your Own Device 
B) Bring Your Own Database 
C) Build Your Own Device 
D) Build Your Own Database

Question 13

Which of the following is not a property of a WAN:

Accepted Answer

A) connects backbone networks and MANS. 
B) spans hundreds or thousands of miles 
C) provides data transmission speeds from 56Kbps to 10Gbps. 
D) connects a group of computers in a small geographic area such as room, floor, building or campus. 
E) uses leased lines from IXCs like ATT, MCI, and Sprint. 
A) connects backbone networks and MANS. 
B) spans hundreds or thousands of miles 
C) provides data transmission speeds from 56Kbps to 10Gbps. 
D) connects a group of computers in a small geographic area such as room, floor, building or campus. 
E) uses leased lines from IXCs like ATT, MCI, and Sprint.

Question 14

An) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization.

Accepted Answer

A) intranet 
B) Usenet 
C) Wide Area Network 
D) extranet 
A) intranet 
B) Usenet 
C) Wide Area Network 
D) extranet

Question 15

Taken together, the physical and data link layers are called the ____________________.

Accepted Answer

A) Internet layer 
B) Hardware layer 
C) Internetwork layer 
D) Application layer 
A) Internet layer 
B) Hardware layer 
C) Internetwork layer 
D) Application layer

Question 16

A local area network is:

Accepted Answer

A) a large central network that connects other networks in a distance spanning exactly 5 miles. 
B) a group of personal computers or terminals located in the same general area and connected by a common cable communication circuit) so they can exchange informationsuch as a set of rooms, a single building, or a set of well-connected buildings. 
C) a network spanning a geographical area that usually encompasses a city or county area 3 to 30 miles). 
D) a network spanning a large geographical area up to 1000s of miles). 
E) a network spanning exactly 10 miles with common carrier circuits. 
A) a large central network that connects other networks in a distance spanning exactly 5 miles. 
B) a group of personal computers or terminals located in the same general area and connected by a common cable communication circuit) so they can exchange informationsuch as a set of rooms, a single building, or a set of well-connected buildings. 
C) a network spanning a geographical area that usually encompasses a city or county area 3 to 30 miles). 
D) a network spanning a large geographical area up to 1000s of miles). 
E) a network spanning exactly 10 miles with common carrier circuits.

Question 17

Which of the following is not a function of the data link layer?

Accepted Answer

A) deciding when to transmit messages over the media 
B) formatting the message by indicating where messages start and end, and which part is the address 
C) detecting and correcting any errors that have occurred in the transmission of the message 
D) specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it 
E) controlling the physical layer by determining when to transmit 
A) deciding when to transmit messages over the media 
B) formatting the message by indicating where messages start and end, and which part is the address 
C) detecting and correcting any errors that have occurred in the transmission of the message 
D) specifying the type of connection, and the electrical signals, radio waves, or light pulses that pass through it 
E) controlling the physical layer by determining when to transmit

Question 18

Which of the following would be a standard used at the Data Link layer of the Internet or OSI model?

Accepted Answer

A) IP 
B) TCP 
C) Ethernet 
D) HTTP 
E) FTP 
A) IP 
B) TCP 
C) Ethernet 
D) HTTP 
E) FTP

Question 19

What are the three basic hardware components for a data communication network? Describe the functions of these.

Accepted Answer

The three basic hardware components for

Question 20

Discuss three trends in communications and networking.Be sure to give four points for each of these trends, plus two in depth examples in your response.

Accepted Answer

Three trends in communications and netwo

Which of the following correctly represents order of the seven layers of the OSI model from layer 1 to layer 7?

How are Internet standards developed? What is a de facto standard?

In which layer of the Internet model would the HTTP standard be used?

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

Describe two important data communications standards-making bodies.How do they differ?

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

What is the difference between an extranet and intranet?

Which of the following is not true about de facto standards?

A backbone network is:

The _________ layer is responsible for routing of messages from the sender to the final destination.

BYOD stands for

Which of the following is not a property of a WAN:

An) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization.

Taken together, the physical and data link layers are called the ____________________.

A local area network is:

Which of the following is not a function of the data link layer?

Which of the following would be a standard used at the Data Link layer of the Internet or OSI model?

What are the three basic hardware components for a data communication network? Describe the functions of these.

Discuss three trends in communications and networking.Be sure to give four points for each of these trends, plus two in depth examples in your response.

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters

Exam 1: Introduction to Data Communications

Which of the following correctly represents order of the seven layers of the OSI model from layer 1 to layer 7?

How are Internet standards developed? What is a de facto standard?

In which layer of the Internet model would the HTTP standard be used?

What is VOIP? What are some examples of companies that provide VOIP as a service to their customers?

Describe two important data communications standards-making bodies.How do they differ?

In the OSI model, the application layer provides a set of utilities for applications and is the end user's access to the network.

What is the difference between an extranet and intranet?

Which of the following is not true about de facto standards?

A backbone network is:

The _________ layer is responsible for routing of messages from the sender to the final destination.

BYOD stands for

Which of the following is not a property of a WAN:

An) ___________ is similar to an intranet in that it uses Internet technologies, but is developed for users outside the organization.

Taken together, the physical and data link layers are called the ____________________.

A local area network is:

Which of the following is not a function of the data link layer?

Which of the following would be a standard used at the Data Link layer of the Internet or OSI model?

What are the three basic hardware components for a data communication network? Describe the functions of these.

Discuss three trends in communications and networking.Be sure to give four points for each of these trends, plus two in depth examples in your response.

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Management

Filters