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Communication Protocols Overview

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Questions and Answers

What is the purpose of a communication protocol?

To specify the format of web pages for browsing
To define how computers will share resources in a network
To ensure reliable communication between two devices (correct)
To regulate the speed of data transmission

Which protocol is used for secure transfer of web pages?

SFTP
HTTPS (correct)
FTP
HTTP

What is the main function of FTP?

Generating HTML code for web pages
Sharing resources in a computer network
Transferring web pages over a network
Transferring files over a network (correct)

In a computer network, what do applications generate?

Messages containing text, data, and multimedia (D) Signup and view all the answers

How are packets transmitted into the communication medium in a computer network?

Through the network card (B) Signup and view all the answers

What is the definition of a computer network?

A set of computers and networking devices connected together using communication means (A) Signup and view all the answers

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

To convert domain names into IPv4 addresses (C) Signup and view all the answers

Which protocol is used by a computer to securely connect to a remote computer and execute commands?

SSH (D) Signup and view all the answers

What does DHCP stand for in the context of networking?

Dynamic Host Configuration Protocol (A) Signup and view all the answers

What is the main function of Telnet in networking?

Connecting to a remote computer and executing commands (C) Signup and view all the answers

Which protocol is used by a computer to retrieve emails while keeping copies on the server?

IMAP (B) Signup and view all the answers

What does SMTP stand for in the context of networking?

Simple Mail Transfer Protocol (A) Signup and view all the answers

For what purpose is the Secure Shell (SSH) protocol commonly used in networking?

To securely connect to a remote computer and execute commands (B) Signup and view all the answers

In networking, what is the main function of the Post Office Protocol v3 (POP3)?

Retrieving emails (D) Signup and view all the answers

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