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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Domain Name System

Choose difficulty:

Beginner

Intermediate

Advanced

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

a: To translate hostnames into IP addresses Explanation

Explanation

b: To establish encrypted communication between two hosts Explanation

Explanation

c: To store website content Explanation

Explanation

d: To control internet traffic flow Explanation

Explanation

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

a: Root DNS server Explanation

Explanation

b: Recursive DNS server Explanation

Explanation

c: Top-Level Domain (TLD) DNS server Explanation

Explanation

d: Firewall DNS server Explanation

Explanation

Which DNS query type allows the server to take full responsibility for finding the answer?

a: Iterative Explanation

Explanation

b: Recursive Explanation

Explanation

c: Authoritative Explanation

Explanation

d: Hierarchical Explanation

Explanation

Which DNS record type is used to map a hostname to an IP address?

a: CNAME Explanation

Explanation

b: NS Explanation

Explanation

c: A Explanation

Explanation

d: MX Explanation

Explanation

What is the function of a CNAME record in DNS?

a: It maps a domain name to another domain name Explanation

Explanation

b: It specifies a mail exchange server Explanation

Explanation

c: It translates IP addresses to hostnames Explanation

Explanation

d: It provides authoritative DNS information Explanation

Explanation

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