Question 1

Match each item with a statement below.
-This layer handles data formatting and translation.

Accepted Answer

A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model 
A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model

Question 2

One of the problems that can occur in the Network layer is the incorrect configuration of a hosts IP address.

Accepted Answer

A) True 
 B)False

Question 3

Which layer of the OSI model is responsible for encryption and decryption?

Accepted Answer

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

Question 4

Which layer is responsible for determining the best path a packet should travel across an internetwork?

Accepted Answer

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

Question 5

The Transport layer segments data into smaller chunks,the size of which is determined by which of the following?

Accepted Answer

A)  MTU 
B)  LLC 
C)  PDU 
D)  TCP 
A)  MTU 
B)  LLC 
C)  PDU 
D)  TCP

Question 6

Which is the IEEE standard that sets the standards for wireless networking?

Accepted Answer

A)  802.16 
B)  802.3 
C)  802.15 
D)  802.11 
A)  802.16 
B)  802.3 
C)  802.15 
D)  802.11

Question 7

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

Accepted Answer

A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model 
A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model

Question 8

Match each item with a statement below.
-This is the general framework for how networking systems should operate.

Accepted Answer

A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model 
A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model

Question 9

Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer?

Accepted Answer

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

Question 10

What information would you find in the header of a Transport layer PDU?

Accepted Answer

A)  destination IP address 
B)  cyclic redundancy check 
C)  source MAC address 
D)  window size 
A)  destination IP address 
B)  cyclic redundancy check 
C)  source MAC address 
D)  window size

Question 11

Which layer is responsible for establishing communication setup between the source and destination computers?

Accepted Answer

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

Question 12

What layer is responsible for making sure that the data that it sends and receives is in a format that the receiving and sending computers can understand?

Accepted Answer

A)  7 
B)  6 
C)  5 
D)  4 
A)  7 
B)  6 
C)  5 
D)  4

Question 13

Which layer is responsible for the encoding of signals?

Accepted Answer

A)  3 
B)  1 
C)  5 
D)  7 
A)  3 
B)  1 
C)  5 
D)  7

Question 14

What does the Transport layer use to make sure that a message is reassembled correctly on the receiving device?

Accepted Answer

A)  source port number 
B)  window Size 
C)  destination port number 
D)  sequence number 
A)  source port number 
B)  window Size 
C)  destination port number 
D)  sequence number

Question 15

You are working at the help desk and you get a message that a user cannot access the Internet.You open a command prompt,ping the workstation's IP address,and get a response.You ask the user to try the Internet again.He does so with the same result- no connection.Which type of device is most likely to be the problem?

Accepted Answer

A)  Physical layer device 
B)  Data Link layer device 
C)  Network layer device 
D)  Presentation layer device 
A)  Physical layer device 
B)  Data Link layer device 
C)  Network layer device 
D)  Presentation layer device

Question 16

Name the PDU at each layer of the OSI model.

Accepted Answer

The PDU for the Application,Presentation

Question 17

At each layer of the OSI model,data is appended to the original message and then sent on to the next lower layer.What is this process called?

Accepted Answer

A)  encapsulation 
B)  deencapsulation 
C)  packetization 
D)  checkpointing 
A)  encapsulation 
B)  deencapsulation 
C)  packetization 
D)  checkpointing

Question 18

What is a PDU?

Accepted Answer

A)  It is an Application layer protocol that handles delivery of messages. 
B)  It is a unit of measurement for the maximum amount of data that can be transferred. 
C)  It is the name given to the unit of information used by each layer. 
D)  It is a Network layer protocol that handles path determination 
A)  It is an Application layer protocol that handles delivery of messages. 
B)  It is a unit of measurement for the maximum amount of data that can be transferred. 
C)  It is the name given to the unit of information used by each layer. 
D)  It is a Network layer protocol that handles path determination

Question 19

What does the Data Link layer do with a frame after it receives it?

Accepted Answer

First,it checks the destination MAC addr

Question 20

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

Accepted Answer

A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model 
A) Application layer 
B) Presentation layer 
C) Session layer 
D) Transport layer 
E) Network layer
F)Data Link layer
G)Physical layer
H)Media Access Control sublayer
I)Logical Link Control sublayer
J)OSI reference model

Match each item with a statement below. -This layer handles data formatting and translation.

One of the problems that can occur in the Network layer is the incorrect configuration of a hosts IP address.

Which layer of the OSI model is responsible for encryption and decryption?

Which layer is responsible for determining the best path a packet should travel across an internetwork?

The Transport layer segments data into smaller chunks,the size of which is determined by which of the following?

Which is the IEEE standard that sets the standards for wireless networking?

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

Match each item with a statement below. -This is the general framework for how networking systems should operate.

Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer?

What information would you find in the header of a Transport layer PDU?

Which layer is responsible for establishing communication setup between the source and destination computers?

What layer is responsible for making sure that the data that it sends and receives is in a format that the receiving and sending computers can understand?

Which layer is responsible for the encoding of signals?

What does the Transport layer use to make sure that a message is reassembled correctly on the receiving device?

Name the PDU at each layer of the OSI model.

At each layer of the OSI model,data is appended to the original message and then sent on to the next lower layer.What is this process called?

What is a PDU?

What does the Data Link layer do with a frame after it receives it?

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

Introduction to Computer Networks

Network Hardware Essentials

Network Topologies and Technologies

Network Media

Network Protocols

Ip Addressing

Network Hardware in Depth

Introduction to Network Security

Wide Area Networking and Cloud Computing

Network Operating System Fundamentals

Network Management and Administration

Troubleshooting and Support

Filters

Exam 7: Network Reference Models and Standards

Match each item with a statement below. -This layer handles data formatting and translation.

One of the problems that can occur in the Network layer is the incorrect configuration of a hosts IP address.

Which layer of the OSI model is responsible for encryption and decryption?

Which layer is responsible for determining the best path a packet should travel across an internetwork?

The Transport layer segments data into smaller chunks,the size of which is determined by which of the following?

Which is the IEEE standard that sets the standards for wireless networking?

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

Match each item with a statement below. -This is the general framework for how networking systems should operate.

Which layer has been subdivided into the Logical Link Control sublayer and the Media Access Control sublayer?

What information would you find in the header of a Transport layer PDU?

Which layer is responsible for establishing communication setup between the source and destination computers?

What layer is responsible for making sure that the data that it sends and receives is in a format that the receiving and sending computers can understand?

Which layer is responsible for the encoding of signals?

What does the Transport layer use to make sure that a message is reassembled correctly on the receiving device?

Name the PDU at each layer of the OSI model.

At each layer of the OSI model,data is appended to the original message and then sent on to the next lower layer.What is this process called?

What is a PDU?

What does the Data Link layer do with a frame after it receives it?

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

Introduction to Computer Networks

Network Hardware Essentials

Network Topologies and Technologies

Network Media

Network Protocols

Ip Addressing

Network Hardware in Depth

Introduction to Network Security

Wide Area Networking and Cloud Computing

Network Operating System Fundamentals

Network Management and Administration

Troubleshooting and Support

Filters