Standard Application Layer Protocol Flashcards
(14 cards)
What does FTP do
File transfer protocol
Client-Server applicable
How does FTP work
One device (client) runs the FTP software and is responsible for initiation of all other connections. Another device runs the FTP server and has access to disk space to store the files.
What is FTP used for
To access directories on the FTP server and request a list of files of the directory
Where is FTP used
Creation of web pages
Download software
Download music file
Upload clips embedded in web page
What does HTTP(S) do
Runs on Client-Server
It requests web pages and linked resources
How does HTTP(S) work
Requests web pages and linked resources
Client can also use it to send limited data back
Steps of how HTTP(S) works
Server waits for request
Client sends a HTTP request for a web page
Server receives the request
Server sends the HTTP response, encapsulates the requested page
Client receives response and displays web page
What are mail servers
Dedicated servers responsible for storing email, providing access to clients or providing services to send emails
What is SMTP
Used to send emails and forward them between mail servers and destination
What is POP3
Downloads email stored on remote server to a local client (deletes after download)
What is IMAP
Manages email on a server so multiple clients can access same email account
What is SSH
Secure Shell protocol
Used by network administrators who need remote access to devices
What can SSH be used for
Start and stop services
Perform software updates
Carry out tasks
What do you need to use SSH
An account on the computer
Sufficient administration rights
