Ethernet protocol basics in Computer Networks - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the sentence to identify the main function of Ethernet.

Computer Networks

Ethernet is a [1] protocol used to connect devices in a local area network.

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Awired

Bfiber optic

Csatellite

Dwireless

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing Ethernet with Wi-Fi, which is wireless.

Ethernet is a wired protocol that connects devices using cables in a local area network (LAN).

2fill in blank

medium

Complete the sentence to name the unique identifier used by Ethernet devices.

Computer Networks

Each Ethernet device has a unique [1] address to identify it on the network.

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AIP

BDNS

CSSID

DMAC

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up MAC address with IP address.

The MAC address is a unique identifier assigned to each Ethernet device for network communication.

3fill in blank

hard

Fix the error in the description of Ethernet frame structure.

Computer Networks

An Ethernet frame starts with a [1] header that includes source and destination addresses.

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AIP

BTCP

CMAC

DHTTP

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing Ethernet frame header with IP or TCP headers.

The Ethernet frame header contains MAC addresses for source and destination, not IP or higher-level protocols.

4fill in blank

hard

Fill both blanks to describe the Ethernet frame's error checking method and its purpose.

Computer Networks

Ethernet frames use a [1] to detect errors and ensure data integrity during [2].

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ACRC

Bencryption

Ctransmission

Dcompression

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing error detection with encryption or compression.

Ethernet uses a CRC (Cyclic Redundancy Check) to detect errors during data transmission.

5fill in blank

hard

Fill all three blanks to complete the Ethernet frame comprehension code snippet.

Computer Networks

frame = { [1]: [2] for [3], [2] in ethernet_data.items() if [3] != 'preamble'}

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Afield

Bvalue

Dheader

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'header' instead of 'field' for keys.

This code creates a dictionary of Ethernet frame fields and their values, excluding the preamble field.