Understanding How the Internet Works

What is the internet?

• A network of networks

• A single network

• A computer program

• A design philosophy

What is a protocol?

• A set of rules and standards for communication

• A unique address for a computer

• A device that connects to the internet

• A design philosophy

What is an IP address?

• A unique address for a computer on the internet

• A set of rules and standards for communication

• A device that connects to the internet

• A design philosophy

What is the purpose of the domain name system (DNS)?

• To associate domain names with IP addresses

• To provide unique addresses for devices on the internet

• To connect devices to the internet

• To prevent cyberattacks

What is the length of a traditional IPv4 address?

• 32 bits

• 64 bits

• 128 bits

• 256 bits

Why is IPv6 being adopted?

• To provide more unique addresses for devices on the internet

• To prevent cyberattacks

• To improve internet speed

• To simplify internet protocols

What is DNS spoofing?

• When a hacker changes a DNS server to match a domain name with the wrong IP address

• When a hacker taps into a DNS server and steals information

• When a DNS server becomes overloaded with requests

• When a DNS server fails to respond to requests

What is the purpose of the internet protocol (IP)?

• To allow devices to communicate with each other

• To provide unique addresses for devices on the internet

• To prevent cyberattacks

• To improve internet speed