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Questions and Answers
Which protocol is specifically used for secure communication to access or post web server information?
Which protocol is specifically used for secure communication to access or post web server information?
What function does the 'service' part of the application layer perform?
What function does the 'service' part of the application layer perform?
Which protocol is commonly used for transferring files between a client and a server?
Which protocol is commonly used for transferring files between a client and a server?
Which protocol would you use to retrieve emails from a server?
Which protocol would you use to retrieve emails from a server?
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Telnet is used for what purpose?
Telnet is used for what purpose?
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Which part of the application layer defines the rules for providing service functionality?
Which part of the application layer defines the rules for providing service functionality?
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SMTP is primarily used for what?
SMTP is primarily used for what?
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What are the two important parts of the application layer?
What are the two important parts of the application layer?
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Which protocol facilitates the exchange of data between a client and a server?
Which protocol facilitates the exchange of data between a client and a server?
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What is the primary function of the service at the application layer?
What is the primary function of the service at the application layer?
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Which protocol provides virtual remote control?
Which protocol provides virtual remote control?
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What does HTTPS stand for?
What does HTTPS stand for?
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Which email protocol retrieves data from a server that enables reading by the receiver?
Which email protocol retrieves data from a server that enables reading by the receiver?
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Which protocol is specifically designed for exchanging email messages between servers?
Which protocol is specifically designed for exchanging email messages between servers?
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Study Notes
Application Layer
- The application layer is the interface between applications used to communicate
- Comprises two important parts: the service and the protocol
Service
- Refers to the function performed by the protocol
Protocol
- Refers to the rules used to provide the service functionality
Protocols Used at the Application Layer
- HTTP (Hypertext Transfer Protocol): enables exchange of data between a client and a server
- HTTPS: a secure communication protocol for accessing or posting web server information
- FTP (File Transfer Protocol): used for transferring files between a client and a server
- SMTP: used for exchanging email messages between servers
-
Mail Access Protocols:
- POP (Post Office Protocol): retrieves data from a server for the receiver to read
- IMAP (Internet Mail Access Protocol): retrieves data from a server for the receiver to read
- Telnet: provides virtual remote control
Application Architecture
-
Three main Application Architectures:
- (No details provided in the text)
Application Layer
- The application layer is the interface between applications used to communicate
- Comprises two important parts: the service and the protocol
Service
- Refers to the function performed by the protocol
Protocol
- Refers to the rules used to provide the service functionality
Protocols Used at the Application Layer
- HTTP (Hypertext Transfer Protocol): enables exchange of data between a client and a server
- HTTPS: a secure communication protocol for accessing or posting web server information
- FTP (File Transfer Protocol): used for transferring files between a client and a server
- SMTP: used for exchanging email messages between servers
-
Mail Access Protocols:
- POP (Post Office Protocol): retrieves data from a server for the receiver to read
- IMAP (Internet Mail Access Protocol): retrieves data from a server for the receiver to read
- Telnet: provides virtual remote control
Application Architecture
-
Three main Application Architectures:
- (No details provided in the text)
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Description
Understand the application layer, its components and protocols used to facilitate communication between applications. Learn about HTTP and its role in data exchange.
