1.3 Internet (IP, URL, DNS)

What is the primary function of a DNS (Domain Name System) in a network?

• To provide security for data transmission

• To translate domain names into IP addresses

• To store website data

• To manage wireless network connections

Which of the following is a characteristic of a wireless network?

• Requires physical cables for connectivity

• Uses radio waves to transmit data

• Only works within a 1-metre range

• Is immune to interference

What does a URL (Uniform Resource Locator) specify?

• The physical location of a server

• The IP address of a device

• The address of a website on the internet

• The speed of an internet connection

Which of the following is true about web servers?

• They are used to store personal files

• They host websites and serve web pages to users

• They are only used in local networks

• They do not require an internet connection

What is an IP address used for in a network?

• To encrypt data

• To identify devices on a network

• To increase network speed

• To store user passwords

Which of the following is a benefit of using the cloud?

• Requires no internet connection

• Provides unlimited storage for free

• Allows access to data from anywhere with internet

• Ensures data is never lost

What does the term "wireless network" refer to?

• A network that uses fibre optic cables

• A network that uses satellites exclusively

• A network that connects devices without physical cables

• A network that only works indoors

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

• Protocol

• Domain name

• IP address

• Path

What is the role of a DNS server in accessing a website?

• It stores the website's content

• It translates the website's domain name into an IP address

• It provides security for the website

• It increases the website's loading speed

Which of the following is a common use of cloud computing?

• Running offline applications

• Storing and sharing large files

• Enhancing local network speed

• Providing free internet access