Hosting Domain & DNS Management

Question 1

What does DNS stand for in web hosting?

Accepted Answer

Domain Name System

Answer

Data Network System

Answer

Direct Network Service

Answer

Digital Naming Standard

Question 2

What is an 'A record' in DNS?

Accepted Answer

A record that maps a domain name to an IPv4 address

Answer

A record that points a domain to another domain

Answer

A record that stores email server information

Answer

A record that verifies domain ownership

Question 3

What is a 'CNAME record' used for in DNS?

Accepted Answer

Creating an alias that points one domain name to another domain name

Answer

Mapping a domain to an IP address

Answer

Setting email server priority

Answer

Storing TXT verification strings

Question 4

What is TTL in DNS and why does it matter for hosting migrations?

Accepted Answer

Time To Live — the duration in seconds that DNS resolvers cache a record before checking for updates

Answer

A security certificate expiration setting

Answer

A domain registration renewal period

Answer

The time limit for a hosting plan contract

Question 5

What is the purpose of an 'MX record' in DNS for a hosting account?

Accepted Answer

It specifies which mail servers handle incoming email for your domain

Answer

It points to your web server's IP

Answer

It enables HTTPS on your domain

Answer

It maps subdomains to IP addresses

Question 6

Which US domain registrar is also one of the largest web hosting companies?

Accepted Answer

GoDaddy

Answer

Verisign

Answer

ICANN

Answer

IANA