CompTIA A+ Certification Core 2 (220-1102) - Telnet and SSH

The video tutorial explores the early days of the Internet, focusing on Telnet, an early application protocol used for remote command line access. It explains how Telnet operates, its security vulnerabilities, and the necessity of a Telnet client like Putty. The tutorial then introduces SSH as a secure alternative to Telnet, highlighting its encryption capabilities and usage for secure remote access.

What is the primary function of Telnet?

• To download files

• To send emails

• To access a remote command line

• To browse the web

Which tool is commonly used as a Telnet client?

• Firefox

• Chrome

• Putty

• Safari

What must you have to access a Telnet server?

• A VPN

• An email account

• A Telnet client

• A web browser

What is a major security issue with Telnet?

• It is unencrypted

• It is expensive

• It is too slow

• It requires special hardware

Which port does SSH use?

• Port 21

• Port 80

• Port 23

• Port 22

What is the main advantage of SSH over Telnet?

• Faster connection

• Encrypted communication

• Lower cost

• Better graphics

What is the role of Putty in SSH connections?

• It provides a graphical interface

• It acts as a server

• It encrypts data

• It serves as a client