LANs and WANs supports same protocol at the “Layer 3” of OSI model. Hence, the correct answer is option “ B ”.

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Answer 1

Expert Solution & Answer

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

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You will write a program that allows the user to keep track of college locations and details about each location. To begin you will create a College python class that keeps track of the csollege's unique id number, name, address, phone number, maximum students, and average tuition cost. Once you have built the College class, you will write a program that stores College objects in a dictionary while using the College's unique id number as the key. The program should display a menu in this order that lets the user: 1) Add a new College 2) Look up a College 4) Delete an existing College 5) Change an existing College's name, address, phone number, maximum guests, and average tuition cost. 6) Exit the program

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Answer 2

Expert Solution & Answer

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

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Answer 3

Expert Solution & Answer

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

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Answer 4

Expert Solution & Answer

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

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Answer 5

Expert Solution & Answer

Answer 6

Expert Solution & Answer

Answer 7

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

Answer 8

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.

Answer 9

Chapter 11, Problem 1RQ

Program Description Answer

LANs and WANs supports same protocol at the “Layer 3” of OSI model.

Hence, the correct answer is option “B”.

Answer 10

Expert Solution & Answer

Explanation of Solution

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.
Both LANs and WANs use the same protocol of layer 3 and other higher of OSI model.

Explanation for incorrect options:

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 “A” 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 “C” is wrong.

Layer 5: Session layer

Session layer deals with how two devices establish a connection, access, and control the connection in the network.
- It controls the data transfer between two processes in the communicating host.
- It establishes the logical connection between the source and destination.

Hence, the option “D” is wrong.