Computer Networks

Computer Networks

12th Grade

16 Qs

quiz-placeholder

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Computer Networks

Computer Networks

Assessment

Quiz

Engineering

12th Grade

Practice Problem

Easy

Created by

Sahithya Ediga

Used 1+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. The core function of the Data Link Layer that involves adding a header and trailer to a network layer packet is called

Encapsulation

Modulation

Framing

Segmentation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  1. Which of the following is NOT a design issue of the Data Link Layer?

Framing

Flow control

Error control

Routing

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technique is commonly used for error detection in data link layer?

Checksum

Cyclic Redundancy Check (CRC)

Hamming Code

Parity Bit

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hamming Code is primarily used for:

Error Detection only

Error Correction only

Both Error Detection and Correction

Flow Control

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Stop-and-Wait protocol, the sender can send:

Multiple frames at once

One frame at a time and wait for acknowledgment

A window of frames without waiting

Only control frames

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Go-Back-N ARQ, if frame k is lost, the receiver

Requests retransmission of only frame k

Accepts all frames after k

Discards all frames after k and waits for retransmission of k

Sends cumulative acknowledgment

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selective Repeat ARQ is more efficient than Go-Back-N because

It retransmits only the erroneous frames

It requires fewer acknowledgments

It does not need sequence numbers

It avoids timeouts

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