4.9 - Application Layer Protocols

Question 1

What is FTP?

Answer 1

• File Transfer Protocol
• Port 20/21
• Used for sending files between devices.

Question 2

What is SSH?

Answer 2

• Secure Shell
• Port 22
• Used for remote management of computers, allowing them to accessed and controlled remotely.

Question 3

What is HTTP?

Answer 3

• Hypertext Transfer Protocol
• Port 80
• Used for web servers to hold and deliver web pages in text form to clients

Question 4

What is HTTPS?

Answer 4

• Hypertext Transfer Protocol Secure
• Port 443
• Same as HTTP but is encrypted during transmission.

Question 5

What is POP3?

Answer 5

• Post Office Protocol 3
• Port 110/995
• Used for retrieving emails from an email server. Communicates with email servers to check for and download any new messages