Computer Networks: Protocols

What is a network protocol?

• A network protocol is a set of rules that governs the communication between devices on a network.

• A network protocol is a physical device used to connect computers on a network.

• A network protocol is a type of computer virus that spreads through networks.

• A network protocol is a software application used to browse the internet.

Name one common network protocol used for sending emails.

• SMTP

• FTP

• HTTP

• POP3

Explain the role of TCP in computer networks.

• TCP ensures fast delivery of packets on the network.

• TCP is responsible for encrypting data in computer networks.

• TCP ensures reliable, ordered, and error-checked delivery of a stream of packets on the network.

• TCP is only used for local network communication.

What is the purpose of the HTTP protocol?

• To enable communication between different systems on the web

• To predict the weather

• To teach algebra

• To bake cookies

How does the IP protocol work in routing data packets?

• IP protocol routes data packets based on the source IP address of the packet.

• IP protocol routes data packets randomly.

• IP protocol routes data packets based on the destination IP address of the packet.

• IP protocol routes data packets based on the size of the packet.