WJEC ICT - Chapter 2 - Network Protocols

Which type of data is most vulnerable to interception during packet sniffing?

• Data transmitted over wired connections.

• Data transmitted over encrypted connections.

• Unencrypted data transmitted over public Wi-Fi.

• Data transmitted through secure VPNs.

Which protocol is used to send emails over the internet?

• HTTP (Hypertext Transfer Protocol)

• FTP (File Transfer Protocol)

• SMTP (Simple Mail Transfer Protocol)

• POP (Post Office Protocol)

What is a network protocol?

• A physical device used to connect computers in a network

• A set of rules and conventions that define how devices communicate in a network

• The name of a specific network

• The maximum speed of a network connection

Which protocol is responsible for the reliable delivery of data packets in a network?

• HTTP

• TCP

• IMAP

• POP

What is the primary security risk associated with packet sniffing?

• Overloading network switches.

• Exposure of sensitive information.

• Unauthorized access to the internet.

• Slowing down network speed.

Which protocol is used for secure data transmission over the internet, often indicated by "https://" in a URL?

• FTP

• HTTPS

• SMTP

• HTTP

Which protocol is responsible for routing data packets across multiple networks in the internet?

• IMAP

• HTTP

• TCP

• IP

What is the term for the process of examining and interpreting captured network packets during packet sniffing?

• Packet transmission

• Packet spoofing

• Packet analysis

• Packet filtering

What protocol is used to ensure the reliable delivery of email messages over the internet?

• SMTP

• IMAP

• POP

• TCP

What is packet sniffing?

• A method to encrypt data packets for secure transmission.

• A method to send data packets over long distances.

• A technique to capture and analyse network traffic.

• A way to improve network speed.