Protocols
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What does FTP stand for?
File Transfer protocol
What does SSH stand for?
Secure Shell protocol
What does POP3 stand for?
Post Office protocol
What does IMAP stand for?
Internet Message Access protocol
What does SMTP stand for?
Simple Mail Transfer protocol
What does HTTP/HTTPS stand for?
Hypertext Transfer protocol / Hypertext Transfer protocol secure
What does IP stand for?
Internet protocol
What does TCP stand for?
Transmission control protocol
What does WPA/WPA2 stand for?
Wifi protected access / Wifi protected access 2
What does the WPA/WPA2 do?
It is built into a devices NIC, it provides strong encryption
What is a protocol?
A set of rules that defines how data is sent over networks
What do protocols determine?
• The type of transmission (synchronous or asynchronous) • The types of interfaces (serial or parallel) • The transmission channel (wired or wireless) • The speed of transmission (bit rate or baud rate) • The error checking technique
What is the FTP used for?
• Used to transfer data across a network - Works in the Application layer of the TCP/IP stack
What is the SSH used for?
• Used for remotely accessing/managing a computer • Modern replacement of Telnet • Uses public key encryption and digital certificates to authenticate users • Can be used with other protocols to create a tunnel through port 22
What is SMTP used for?
Protocol used for sending emails
What is POP3 used for?
Retrieves emails that are temporarily stored on email servers, once retrieved the emails are deleted from the server
What is IMAP used for?
Protocol that retrieves emails that are kept stored on email servers, maintaining synchronicity between devices
What is the Telnet protocol used for?
• Used for remotely accessing/managing a computer - Doesn’t use encryption so was replaced by SSH