Practice Introduction to the Domain Name System (DNS) - 2.1.2 | Module 2: The Application Layer | Computer Network
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does DNS stand for?

πŸ’‘ Hint: It's similar to a phonebook for the internet.

Question 2

Easy

What is the role of the Root server in DNS?

πŸ’‘ Hint: Think of it as the top of the hierarchy.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary purpose of the Domain Name System (DNS)?

  • To provide internet access
  • To translate domain names to IP addresses
  • To secure internet traffic

πŸ’‘ Hint: Consider what you enter in a browser.

Question 2

True or False: DNS is a centralized system.

  • True
  • False

πŸ’‘ Hint: Think about how many servers are involved.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

You are tasked with designing a simple DNS-like service for a new local network. What considerations would you take into account regarding server hierarchy, caching, and redundancy?

πŸ’‘ Hint: Think about how current DNS operates and how it can be simplified.

Question 2

If a TLD server misconfigures its records or goes down, what cascading effects might happen and how could you mitigate these issues in your-designed DNS system?

πŸ’‘ Hint: Remember why redundancy is critical in distributed systems.

Challenge and get performance evaluation