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Data Encapsulation in the OSI Model

Data Encapsulation in the OSI Model

Assessment

Interactive Video

Computers

9th - 12th Grade

Practice Problem

Easy

Created by

Amelia Wright

Used 1+ times

FREE Resource

The video explains data encapsulation and decapsulation in the OSI model. It describes how data is processed and transformed as it moves through different network layers, from the application layer down to the physical layer, and then back up in the reverse process. Key concepts include headers, trailers, and protocol data units (PDUs) at each layer, with a focus on how data is packaged and unpackaged for transmission.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of data encapsulation in the OSI model?

To compress data for storage

To add headers and trailers for data transmission

To encrypt data for security

To convert data into audio signals

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At which layer does data get encoded or compressed to a standard format?

Session Layer

Presentation Layer

Transport Layer

Application Layer

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term used for the data unit at the transport layer when TCP is used?

Packet

Segment

Frame

Datagram

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer adds the IP header containing source and destination IP addresses?

Physical Layer

Transport Layer

Network Layer

Data Link Layer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the trailer added at the data link layer?

To encrypt the data

To mark the end of the frame and check for errors

To add a session ID

To compress the data

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the frame at the physical layer?

It is encrypted

It is converted into a signal

It is compressed

It is discarded

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During decapsulation, what is the first step at the physical layer?

Encrypting the data

Adding a header

Compressing the data

Interpreting bits as a frame

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