AS-Level_DNS Quiz

What does DNS stand for?

• Domain Name System
• Data Network System
• Digital Network Service
• Dynamic Name Server

What is the purpose of DNS?

• To convert IP addresses to domain names
• To convert domain names to IP addresses
• To encrypt data during transmission
• To establish network connections

Which protocol is commonly used by DNS?

• HTTP
• FTP
• SMTP
• UDP

What is a DNS resolver?

• A server that stores DNS records
• A client that requests DNS information
• A protocol used for DNS communication
• A software used to manage DNS settings

What is a DNS cache?

• A temporary storage of DNS records
• A database of all registered domain names
• A server that handles DNS requests
• A security measure to protect DNS servers

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

• A record
• CNAME record
• MX record
• TXT record

What is the purpose of a CNAME record?

• To map a domain name to an IP address
• To map a domain name to another domain name
• To specify the mail server for a domain
• To provide additional information about a domain

Which record type is used for email routing?

• A record
• CNAME record
• MX record
• TXT record

What is the purpose of a TXT record?

• To map a domain name to an IP address
• To map a domain name to another domain name
• To specify the mail server for a domain
• To provide additional information about a domain

What is the maximum length of a domain name?

• 63 characters
• 128 characters
• 255 characters
• 512 characters