OSI model seven layers in Computer Networks - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to name the first layer of the OSI model.

Computer Networks

The first layer of the OSI model is called the [1] layer.

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APhysical

BSession

CNetwork

DTransport

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing the Physical layer with the Network layer.

Choosing the Session or Transport layer which are higher layers.

The first layer of the OSI model is the Physical layer. It deals with the physical connection between devices.

2fill in blank

medium

Complete the code to name the layer responsible for routing data between devices.

Computer Networks

The [1] layer is responsible for routing data between different networks.

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AData Link

BNetwork

CApplication

DPhysical

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing Data Link layer which handles local network communication.

Confusing with Application layer which is the top layer.

The Network layer routes data between devices on different networks using logical addressing.

3fill in blank

hard

Fix the error in naming the OSI model layer that manages end-to-end communication.

Computer Networks

The [1] layer manages end-to-end communication and error recovery.

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ANetwork

BSession

CTransport

DPresentation

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing Transport with Session layer which manages sessions.

Choosing Network layer which handles routing.

The Transport layer manages end-to-end communication, including error checking and flow control.

4fill in blank

hard

Fill both blanks to complete the sentence about OSI layers.

Computer Networks

The [1] layer translates data formats, while the [2] layer manages communication sessions.

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APresentation

BPhysical

CSession

DData Link

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up Data Link and Physical layers with these functions.

Confusing Session with Transport layer.

The Presentation layer translates data formats, and the Session layer manages communication sessions between devices.

5fill in blank

hard

Fill all three blanks to complete the dictionary comprehension describing OSI layers.

Computer Networks

osi_layers = {1: '[1]', 2: '[2]', 3: '[3]'}

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APhysical

BData Link

CNetwork

DTransport

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up the order of layers.

Including Transport as one of the first three layers.

The first three layers of the OSI model are Physical, Data Link, and Network.