DNS

Which records must be registered at the TLD name server?

• A records

• NS records

• CNAME records

• TXT records

Which record is also known as an "Alias Record"?

• A Record

• SOA Record

• CNAME Record

• NS Record

Which of the following can CNAME records NOT be used for?

• The root record for a domain

• An alias to an A record

• A subdomain

• The 'www' record for a domain

Which record type is associated with Reverse DNS?

• AAAA record

• SPF record

• PTR record

• NS record

Which record is responsible for mapping a domain name to an IP address?

• A record

• NS record

• MX record

• SPF record

What does DNS stand for?

• Domain Notification system

• Don't Name Servers

• Domain Name System

• Domain Name Server

Define DNS

• A server which stores networks.

• A server which stores just website domain names

• A server which stores website domain names and their IP addresses.

• A server which stores just IP adressess.

What is the purpose of a DNS?

• It translates a website's domain name into its IP address.

• It gives you a domain name.

• It translates a website's IP address into its domain name

• It transfers information from a computer to another server.

How does a DNS operate?

• When you type in a HTML, the SPI looks up the IP address, finds the matching domain name and sends it back.

• When you type in a URL, the ISP looks up the domain name, finds the matching IP address and sends it back.

• When you type in a URL, the ISP looks up the IP address, finds the matching domain name and sends it back.

• When you type in a HTML, the SPI looks up the domain name, finds the matching IP address and sends it back.

What 2 advantages does the system provide?

• It allows users to use the internet without remembering IP addresses.

• Its the easiest system to understand.

• It allows the correct servers to be contacted.

• It provides extra knowledge.