Computer Network MCQ – Questions and Answers – Part 6

Networking MCQs questions with answers to prepare for exams, tests, and certifications. These questions are taken from a real written exam and some parts are taken from an interview. So you will find questions on CCNA, TCP/IP, Protocols, IP addressing issues, OSI model, and more. This MCQ will easily prepare anyone to pass their exam.

1. Presentation layer features include ________?

A Data compression

B Data encryption

C Data description

D All the answers are true

The presentation layer is used to present data to the application layer (layer 7) in a well-defined and standardized format.

The presentation layer is responsible for the following tasks:

Data encryption/decryption
Character/String conversion
Data compression
Graphic processing

2. The delimitation and synchronization of data exchanges are ensured by the________?

A Application Layer

B Session Layer

C Transport layer

D Data Link Layer

The session layer manages the opening and closing of sessions between application processes. This layer also controls single or multiple connections for each application and communicates directly with the presentation and transport layers.

3. In the OSI model, when data is sent from host A to host B, the 5th layer intended to receive the data in B is _______?

A Application Layer

B Session Layer

C Transport layer

D Data Link Layer

4. In the TCP-IP model, when data is sent from host A to host B, the 5th layer intended to receive the data in B is _______?

A Application Layer

B Session Layer

C Transport layer

D Data Link Layer

The application layer consists of protocols that focus on communication between processes on an IP network and provides a communication interface and services to end users.

5. In the OSI model, when a package passes through the lower layers to the upper layers, the headers are _______?

A added

B removed

C rearranged

D None of the above

6. OSI stands for _______?

A Open System Interconnection

B Operating System Interface

C Optical Service Implementation

D None of the above

7. The TCP/IP model does not have the ______ but the OSI model does.

A Session Layer

B Transport layer

C Application Layer

D None of the above

8. Which layer connects the network layers (the lower layers) and the layers close to the user (the upper layers)?

A Session Layer

B Transport layer

C Network Layer

D Data Link Layer

The Physical, Data Link and Network layers are network support layers and the Session, Presentation and Application layers are user support layers.

9. What address is used on the Internet using TCP/IP protocols?

A Physical address (MAC) and logical address (IP)

B Port address

C Specific address

D All the answers are true

10. The TCP/IP model was developed _____ the OSI model.

A before

B after

C at the same time as

D None of the above

The first network reference model developed was the TCP/IP (Transmission Control Protocol/Internet Protocol) reference model, which was developed about 10 years before the OSI model.

1. Presentation layer features include ________?

2. The delimitation and synchronization of data exchanges are ensured by the________?

3. In the OSI model, when data is sent from host A to host B, the 5th layer intended to receive the data in B is _______?

4. In the TCP-IP model, when data is sent from host A to host B, the 5th layer intended to receive the data in B is _______?

5. In the OSI model, when a package passes through the lower layers to the upper layers, the headers are _______?

6. OSI stands for _______?

7. The TCP/IP model does not have the ______ but the OSI model does.

8. Which layer connects the network layers (the lower layers) and the layers close to the user (the upper layers)?

9. What address is used on the Internet using TCP/IP protocols?

10. The TCP/IP model was developed _____ the OSI model.

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