Practice Checksums (1.2.2) - The Data Link Layer - Computer Network
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Checksums

Practice - Checksums

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the main purpose of a checksum in data transmission?

💡 Hint: Think about why we need to ensure data integrity in communication.

Question 2 Easy

Describe one limitation of using checksums.

💡 Hint: Consider how errors might interact during summation.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does a checksum primarily help determine?

Data integrity
Data speed
Data formatting

💡 Hint: Think about how checksums function in data verification.

Question 2

True or false: Checksums can detect all error types.

True
False

💡 Hint: Consider the limitations discussed on checksums.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a string of binary data '10110110', divide it into two 4-bit segments, calculate the checksum, and explain the process.

💡 Hint: Break it down into steps of dividing and summing.

Challenge 2 Hard

Create and analyze a scenario in which a checksum fails to notice an error during transmission.

💡 Hint: Think about how some errors might 'cancel out' during the checksum calculation.

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Reference links

Supplementary resources to enhance your learning experience.