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Exam 1: Introduction to Data Communications

Draw a diagram of the Internet model and describe what each of the five layers do. Put three examples of standards on each of your layers in the diagram. Do this in detail, explaining how a message is transmitted from one computer to another using this model.

(Essay)

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Question 61

Explain why it is such a great time to be an IT professional.What new skills may be needed today, that weren't required in the past?

(Essay)

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Question 62

BYOD stands for

(Multiple Choice)

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Question 63

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

(Short Answer)

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Question 64

An) _________ is a LAN that uses the same technologies as the Internet but is open to only those inside the organization.

(Multiple Choice)

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Question 65

__________ ensure that hardware and software produced by different vendors work together.

(Multiple Choice)

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Question 66

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

(Multiple Choice)

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Question 67

Which of the following is not an important future trend in communication and networking?

(Multiple Choice)

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Question 68

Which of the following is a term used to group together the physical and data link layers?

(Multiple Choice)

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Question 69

A local area network is:

(Multiple Choice)

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Question 70

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

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Question 71

A junior network administrator has used the wrong cable type to connect his/her computer to the administrative port on a router and cannot establish a terminal session with the device. What layer of the Internet model does this problem appear to reside at?

(Multiple Choice)

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Question 72

Ethernet is an example of a network layer protocol.

(True/False)

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Question 73

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

(Multiple Choice)

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Question 74

___________ is an orderly close to a dialogue between end users.

(Multiple Choice)

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Question 75

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

(Short Answer)

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Question 76

What are the seven layers of the OSI model and what does each of these layers do? How does the OSI model compare to the Internet model? What does OSI stand for, and who developed this model?

(Essay)

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Question 77

Why are standards important?

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Question 78

A local area network LAN) connects other LANs and backbone networks BNs) located in different areas to each other and to wide area networks in a span from 3 to 30 miles.

(True/False)

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Question 79

Telecommunications is the transmission of voice and video as well as data and usually implies transmitting a longer distance than in a data communication network.

(True/False)

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Question 80

Showing 61 - 80 of 82

Draw a diagram of the Internet model and describe what each of the five layers do. Put three examples of standards on each of your layers in the diagram. Do this in detail, explaining how a message is transmitted from one computer to another using this model.

Explain why it is such a great time to be an IT professional.What new skills may be needed today, that weren't required in the past?

BYOD stands for

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

An) _________ is a LAN that uses the same technologies as the Internet but is open to only those inside the organization.

__________ ensure that hardware and software produced by different vendors work together.

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

Which of the following is not an important future trend in communication and networking?

Which of the following is a term used to group together the physical and data link layers?

A local area network is:

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

A junior network administrator has used the wrong cable type to connect his/her computer to the administrative port on a router and cannot establish a terminal session with the device. What layer of the Internet model does this problem appear to reside at?

Ethernet is an example of a network layer protocol.

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

___________ is an orderly close to a dialogue between end users.

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

What are the seven layers of the OSI model and what does each of these layers do? How does the OSI model compare to the Internet model? What does OSI stand for, and who developed this model?

Why are standards important?

A local area network LAN) connects other LANs and backbone networks BNs) located in different areas to each other and to wide area networks in a span from 3 to 30 miles.

Telecommunications is the transmission of voice and video as well as data and usually implies transmitting a longer distance than in a data communication network.

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

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