Internet and Networking Flashcard

Front

Which of the following best explains how the Internet sends information between two devices? Options: Data travels as a continuous stream., Data is encrypted and stored in a cloud before delivery., Data is broken into packets and routed independently to the destination., A dedicated line is created for every transmission.

Back

Data is broken into packets and routed independently to the destination.

Front

What is the main purpose of DNS (Domain Name System)?

Back

Map human-readable URLs to machine-readable IP addresses.

Front

Which of the following statements about IP addresses is true?
- Every device on the Internet shares the same IP address.
- IP addresses are only used within private networks.
- IP addresses uniquely identify devices on a network.
- IP addresses change every time data is transmitted.

Back

IP addresses uniquely identify devices on a network.

Front

Which protocol ensures that all packets are delivered and reassembled in the correct order?

Back

TCP

Front

What is the main function of a router on the Internet?

Back

Determine the best path for data packets to travel.

Front

A student clicks on a link to open a webpage. What is the correct sequence of events?

Back

DNS lookup → IP address found → HTTP request sent

Front

Which of the following is a benefit of packet switching? It guarantees all packets arrive in order., It allows data to be sent efficiently even when some parts of the network fail., It prevents malware from entering the system., It compresses all packets for faster delivery.

Back

It allows data to be sent efficiently even when some parts of the network fail.

Front

The Internet is described as being fault-tolerant. This means:

Back

Data can reroute around failed connections due to redundancy.

Front

Which protocol is responsible for secure communication between websites and browsers?

Back

HTTPS

Front

A hacker tricks a user into entering personal information on a fake website. This is an example of:

Back

A phishing attack