Understanding How the Internet Works

Who were the inventors of the internetworking protocol?

• Vint Cerf and Bob Kahn

• Paola and Vint Cerf

• Bob Kahn and Paola

• Vint Cerf and Paola

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 device

• A type of computer

• A design philosophy

What is an IP address?

• A unique address for a device on the internet

• A set of rules and standards for communication

• A type of computer

• 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

• To connect devices to the internet

• To prevent cyberattacks

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 is shut down temporarily

What is the length of a traditional IPv4 address?

• 32 bits

• 64 bits

• 128 bits

• 256 bits

What is the purpose of IPv6?

• To provide more unique addresses for devices connecting to the internet

• To improve internet speed

• To prevent cyberattacks

• To connect devices to the internet

How many unique addresses does IPv6 provide?

• Over 340 undecillion

• 4 billion

• 128 bits

• 32 bits

What is the purpose of an internet service provider (ISP)?

• To connect users to the internet

• To provide unique addresses for devices

• To prevent cyberattacks

• To associate domain names with IP addresses