Question 1

What are the benefits to using a layered approach?

Accepted Answer

In a layered approach,each layer is only...

Question 2

Match each item with a statement below.
-Routers operate at this layer.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model

Question 3

Match each item with a statement below.
-This handles communication setup and teardown.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model

Question 4

One job that a router performs is that of gatekeeper,which means that it can be configured to only allow certain packets access into the network based on a list of rules.What is that process called?

Accepted Answer

A)   media control
B)   packet forwarding
C)   access control
D)   signal bounce

Question 5

The maximum transmission unit for Ethernet is 1518 bytes.

Accepted Answer

A) True 
 B)False

Question 6

Match each item with a statement below.
-Sublayer manages access to the physical medium.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model

Question 7

Match each item with a statement below.
-This sublayer is responsible for some error recovery.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model I

Question 8

What is encoding,and where does it take place?

Accepted Answer

Encoding is a process performed by the P...

Question 9

What are the sublayers of the Data Link layer,and what do they do?

Accepted Answer

The first layer is the Logical Link Cont...

Question 10

Match each item with a statement below.
-This uses port numbers as source and destination identifiers

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model

Question 11

The Transport layer is the same in both the OSI model and the TCP/IP model.

Accepted Answer

A) True 
 B)False

Question 12

What does "802" refer to in the IEEE 802 standard?

Accepted Answer

It is the project name that wa...

Question 13

Match each item with a statement below.
-Hubs operate at this layer.

Accepted Answer

A)  Application layer
B)  Presentation layer
C)  Session layer
D)  Transport layer
E)  Network layerF) Data Link layerG) Physical layerH) Media Access Control sublayerI) Logical Link Control sublayerJ) OSI reference model

Question 14

Which of the following is the correct order of the layers of the OSI model from layer 1 to layer 7?

Accepted Answer

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

Question 15

At what layer do NICs operate?

Accepted Answer

A)   Transport
B)   Data Link
C)   Physical
D)   Network

Question 16

The Physical layer has been divided into two sublayers,called the LLC sublayer and the MAC sublayer.

Accepted Answer

A) True 
 B)False

Question 17

The Transport layer PDU includes a field for window size.What is the "window size"?

Accepted Answer

The window size is a negotiated amount between the transmitting and receiving devices that sets the amount of data that can be transferred before an acknowledgement must be sent and received.

Question 18

What is the IEEE standard that governs all forms of Ethernet media and interfaces?

Accepted Answer

A)   802.11
B)   802.3
C)   802.15
D)   802.2

Question 19

The Network layer communicates with the Data Link layer and the Session layer.

Accepted Answer

A) True 
 B)False

Question 20

List the layers of the OSI model from the top down,along with their counterparts in the TCP/IP model.

Accepted Answer

Application-Application Presentation-Application Session-Application Transport-Transport Network-Internetwork Data Link-Network Access Physical-Network Access

Exam 7: Network Reference Models and Standards

What are the benefits to using a layered approach?

Correct AnswerverifiedIn a layered approach,each layer is only...View AnswerShow Answer

Match each item with a statement below. -Routers operate at this layer.

Correct AnswerverifiedShow Answer

Match each item with a statement below. -This handles communication setup and teardown.

Correct AnswerverifiedShow Answer

One job that a router performs is that of gatekeeper,which means that it can be configured to only allow certain packets access into the network based on a list of rules.What is that process called?

Correct AnswerverifiedShow Answer

The maximum transmission unit for Ethernet is 1518 bytes.

Correct AnswerverifiedShow Answer

Match each item with a statement below. -Sublayer manages access to the physical medium.

Correct AnswerverifiedShow Answer

Match each item with a statement below. -This sublayer is responsible for some error recovery.

Correct AnswerverifiedI

What is encoding,and where does it take place?

Correct AnswerverifiedEncoding is a process performed by the P...View AnswerShow Answer

What are the sublayers of the Data Link layer,and what do they do?

Correct AnswerverifiedThe first layer is the Logical Link Cont...View AnswerShow Answer

Match each item with a statement below. -This uses port numbers as source and destination identifiers

Correct AnswerverifiedShow Answer

The Transport layer is the same in both the OSI model and the TCP/IP model.

Correct AnswerverifiedShow Answer

What does "802" refer to in the IEEE 802 standard?

Correct AnswerverifiedIt is the project name that wa...View AnswerShow Answer

Match each item with a statement below. -Hubs operate at this layer.

Correct AnswerverifiedShow Answer

Which of the following is the correct order of the layers of the OSI model from layer 1 to layer 7?

Correct AnswerverifiedShow Answer

At what layer do NICs operate?

Correct AnswerverifiedShow Answer

The Physical layer has been divided into two sublayers,called the LLC sublayer and the MAC sublayer.

Correct AnswerverifiedShow Answer

The Transport layer PDU includes a field for window size.What is the "window size"?

Correct AnswerverifiedThe window size is a negotiated amount between the transmitting and receiving devices that sets the amount of data that can be transferred before an acknowledgement must be sent and received.

What is the IEEE standard that governs all forms of Ethernet media and interfaces?

Correct AnswerverifiedShow Answer

The Network layer communicates with the Data Link layer and the Session layer.

Correct AnswerverifiedShow Answer

List the layers of the OSI model from the top down,along with their counterparts in the TCP/IP model.

Correct AnswerverifiedApplication-Application Presentation-Application Session-Application Transport-Transport Network-Internetwork Data Link-Network Access Physical-Network Access

Correct Answer
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In a layered approach,each layer is only...
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Encoding is a process performed by the P...
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The first layer is the Logical Link Cont...
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It is the project name that wa...
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The window size is a negotiated amount between the transmitting and receiving devices that sets the amount of data that can be transferred before an acknowledgement must be sent and received.

Correct Answer
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Correct Answer
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Application-Application Presentation-Application Session-Application Transport-Transport Network-Internetwork Data Link-Network Access Physical-Network Access