Technical Terms - Internet (A-Z) - DNS

What does DNS stand for?

• Dynamic Network System

• Domain Name System

• Data Naming Service

• Digital Network Security

What do domain names serve as?

• IP addresses

• Phone numbers

• Passwords

• Memorizable names for websites

What does DNS translate domain names into?

• Passwords

• IP addresses

• Usernames

• Email addresses

How does DNS simplify accessing websites?

• By using email addresses

• By typing IP addresses

• By translating domain names into IP addresses

• By using phone numbers

How is DNS similar to the contacts app on a smartphone?

• It translates domain names into phone numbers

• It selects names from a list to call

• It calls people by name

• It associates IP addresses with domain names

Where is the DNS translation table stored?

• On the user's device

• On the cloud

• On millions of servers around the world

• On a single server

What happens when an IP address of a domain name changes?

• The request is sent to the wrong server

• The ISP updates the IP address

• The server will not respond

• The request is sent to the correct server

How often are DNS caches updated?

• Every few minutes

• Every few weeks

• Every few days

• Every few hours

What do ISPs do to reduce overhead when connecting to websites?

• Block DNS records

• Update DNS records

• Delete DNS records

• Cache DNS records

How many nameservers must a registered domain name be assigned?

• One

• Two

• Three

• Four