Questions and Answers
Which layer of the network stack is responsible for application-specific goals?
Application Layer
Which of the following is an example of an application-layer protocol?
HTTP
What does SMTP stand for?
Simple Mail Transfer Protocol
Which protocol is used for retrieving emails from a mail server?
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What is the purpose of WebSocket protocol?
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Which protocol is used for transferring resources on the World Wide Web?
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Which protocol is used for sending outgoing mail?
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Which protocol is used for managing multi-user communication sessions?
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Which protocol is used for providing secure remote access?
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Which protocol is used for transferring files between a client and a server?
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Study Notes
Application Layer
- The application layer is responsible for application-specific goals.
Application-Layer Protocols
- Examples of application-layer protocols include:
- SMTP (Simple Mail Transfer Protocol)
- HTTP (Hypertext Transfer Protocol)
- FTP (File Transfer Protocol)
- WebSocket
Email Protocols
- SMTP is used for sending outgoing mail.
- A protocol used for retrieving emails from a mail server is POP (Post Office Protocol) or IMAP (Internet Message Access Protocol).
WebSocket Protocol
- The purpose of WebSocket protocol is to manage multi-user communication sessions.
Web Protocols
- HTTP is used for transferring resources on the World Wide Web.
Remote Access
- A protocol used for providing secure remote access is SSH (Secure Shell).
File Transfer
- FTP is used for transferring files between a client and a server.
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