What Is a Function of a DNS Server McQ?


Larry Thompson

In this article, we will dive into the concept of DNS servers and explore their functions through a set of multiple-choice questions (MCQs). Let’s get started!

What Is a DNS Server?

A DNS server stands for Domain Name System server. It is an essential component of the internet infrastructure that translates domain names into IP addresses. When you enter a URL into your web browser, the DNS server is responsible for finding the corresponding IP address of that domain.

Functions of a DNS Server – MCQs

Question 1:

What does DNS stand for?

  1. Domain Name System
  2. Digital Network Service
  3. Data Naming Server
  4. Distributed Network System

Question 2:

Which of the following is NOT a function of a DNS server?

  1. Translating domain names to IP addresses
  2. Caching recently accessed IP addresses for faster future access
  3. Maintaining website content and databases
  4. Facilitating email delivery by resolving MX records

Question 3:

What is the purpose of caching in a DNS server?

  1. To improve website performance by storing frequently accessed IP addresses locally
  2. To encrypt sensitive data during transmission between client and server
  3. To prevent unauthorized access to the DNS server’s configuration settings
  4. To filter malicious websites and protect users from online threats

Question 4:

Which record type is used to map a domain name to an IP address?

  1. A (Address) record
  2. CNAME (Canonical Name) record
  3. MX (Mail Exchange) record
  4. NS (Name Server) record

Question 5:

What happens if a DNS server fails to resolve a domain name?

  1. The web browser will display an error message indicating the DNS resolution failure
  2. The DNS server will automatically redirect the request to another server for resolution
  3. The web browser will display cached information from previous requests instead of the current data
  4. The DNS server will generate a temporary domain name and provide it as an alternative option

Congratulations on completing the MCQs! By now, you should have a better understanding of the functions of a DNS server. Remember that DNS plays a crucial role in translating domain names into IP addresses, caching frequently accessed addresses for faster resolution, and facilitating various internet services.

Keep exploring and expanding your knowledge of networking and web technologies!

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