Understanding the World Wide Web [AQA A Level]

What is the term for a domain name which includes the host, the domain, and the access method?

• Domain Name Server

• Internet Protocol Address

• Fully Qualified Domain Name

• Uniform Resource Locator

Who governs the global organizations that hold a worldwide database of all the domain names?

• Local ISPs

• Internet Registers

• Internet Corporation for Assigned Names and Numbers

• Network Service Providers

How are domain names organized into hierarchy written out?

• From the bottom up using dots

• From the bottom up using commas

• From the top down using dots

• From the top down using commas

What is the function of an IP address in the context of the Internet?

• It is a method to access a website

• It is a database of all the domain names and their corresponding IPs

• It is a secure encrypted website

• It is a unique address given to a single network device

What is the role of the local DNS server when a user types in a web address?

• It stores the entry into the lookup table for future use

• It sends the request to the web server

• It returns the correct IP to the browser

• It passes the request upwards to a regional DNS

What is the purpose of the lookup table in a DNS server?

• To map web addresses with IPs

• To encrypt web addresses

• To provide secure access to websites

• To store website files

What happens if a local DNS server does not have a mapping entry for a web address?

• It returns an error message to the browser

• It passes the request upwards to a regional DNS

• It sends the request to the web server

• It stores the entry into the lookup table for future use

What is the function of network service providers in the domain name system?

• They match web addresses with IPs

• They have massive tables of web addresses and matching IPs

• They provide web hosting services

• They maintain the lookup tables for local DNS servers

What is the purpose of the IP address in the process of accessing a website?

• It is used to send a specific get request to the web server

• It provides the location within the website

• It is used to access the domain name service

• It is used to access the fully qualified domain name

What is the essential concept of the world wide web in relation to domain names?

• Every domain name must be used twice

• Every domain name is encrypted

• Every domain name is unique

• Every domain name is case-sensitive