Unit 2 - The Internet

Front

What is the purpose of an IP address?

Back

To identify devices on a network

Front

What is a packet?

Back

A small chunk of data sent over the Internet.

Front

Why is redundancy built into the Internet?

Back

To make sure data can still get through if one path fails

Front

What does a router do?

Back

It forwards data between networks.

Front

Why do we use protocols in networking?

Back

To make communication reliable and predictable

Front

Which of the following best describes the protocols used on the Internet? Options: The protocols of the Internet are open and used by all devices connected to the network, They are private and company-specific, They are only used by servers, They change every day

Back

The protocols of the Internet are open and used by all devices connected to the network

Front

How does TCP improve packet delivery?

Back

It ensures all packets arrive and are reassembled in order.

Front

Which protocol is responsible for assigning and locating IP addresses?

Back

Internet Protocol (IP)

Front

Which of the following Internet protocols is MOST important in reassembling packets and requesting missing packets to form complete messages? Options: Transmission Control Protocol (TCP), HyperText Transfer Protocol (HTTP), User Datagram Protocol (UDP), Internet Protocol (IP)

Back

Transmission Control Protocol (TCP)

Front

What happens if two devices have the same IP address?

Back

Communication errors occur.