At the Application layer of the OSI model, the proxy servers manage security. Hence, the correct answer is option “ C ”.

Question

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Answer 1

Expert Solution & Answer

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

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Answer 2

Expert Solution & Answer

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Expert Solution & Answer

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

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Answer 4

Expert Solution & Answer

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

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Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

Answer 8

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.

Answer 9

Chapter 10, Problem 1RQ

Program Description Answer

At the Application layer of the OSI model, the proxy servers manage security.

Hence, the correct answer is option “C”.

Answer 10

Expert Solution & Answer

Explanation of Solution

OSI model:

Network is the collection of two or more computers linked together.

OSI (Open System Interconnection) is a reference model for the communication network.
Communication network is the process of allowing nodes to communicate or exchange the data between the nodes through the link.
It provides seven-layer architecture for the OSI model.

Seven layers of OSI model:

Physical layer
Data link layer
Network layer
Transport
Session
Presentation
Application

Layer 7: Application layer:

It interacts with the software application program and provides semantic of data.
It is the highest layer in the OSI model and close to the end user.
At the Application layer of the OSI model, the proxy servers manage security.

Explanation for incorrect options:

Layer 3: Network layer

It is the third level of the Open System Interconnection Model (OSI Model).
Network layer performs the routing of packet from source to destination.
For routing, it converts the data into packets, and after reaching the destination, it converts back to the data.
The primary responsibilities of this layer is to set up a logical connection, data forwarding, routing and error reporting.

Hence, the option “A” is wrong.

Layer 2: Data link layer

It makes the transmission of data reliable, which is provided by the physical layer.
For reliable transfer, it divides the data into data frames and transmits through the communication channel.
At the destination, it checks for the transmission error and sends the acknowledgement to the source.

Hence, the option “B” is wrong.

Layer 4: Transport layer

Its purpose is to provide the reliable transfer of data between two processes in the computer.
This layer ensures the error-free delivery, no loss of data, and duplication.

Hence, the option “D” is wrong.