Understanding the Structure of the Internet

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

• To assign IP addresses
• To map Fully Qualified Domain Names (FQDNs) to IP addresses
• To provide internet access to users
• To manage internet traffic

Which of the following best describes a Fully Qualified Domain Name (FQDN)?

• A unique identifier for a network device
• A protocol for data transmission
• A type of internet service provider
• A user-friendly name for an IP address

What does the acronym URL stand for?

• Universal Resource Locator
• Uniform Resource Locator
• Unique Resource Locator
• Uniform Resource Link

How does the Internet Assigned Numbers Authority (IANA) contribute to the structure of the Internet?

• By providing internet access to users
• By managing web hosting services
• By assigning IP addresses and domain names
• By developing internet protocols

What is the main function of an Internet Service Provider (ISP)?

• To provide web hosting services
• To manage domain registrations
• To maintain DNS servers
• To connect users to the internet

Which of the following statements about IP addresses is true?

• IPv6 was developed due to the exhaustion of IPv4 addresses
• IPv4 can support an unlimited number of devices
• IP addresses are not necessary for internet communication
• All devices use the same IP address

What happens when a DNS server cannot resolve a domain name?

• It sends a request to the user
• It returns an error message
• It contacts another DNS server
• It automatically assigns a new IP address

Which of the following is NOT a component of a URL?

• Protocol
• Domain name
• IP address
• Resource path

What distinguishes a domain name like 'hilltop.edu' from 'hilltop.sch.uk'?

• The length of the name

• The type of organisation

• The hosting service used

• The country of origin

What is the significance of trans-oceanic cables in the structure of the Internet?

• They connect different land masses
• They provide wireless internet access
• They store data for websites
• They manage DNS queries