Chapter 21 - The Internet

Question 1

Telnet - port 23

Answer 1

Remote command line tool. Allows you to access a command line on another computer. But lacks any encryption.

Question 2

Putty

Answer 2

the most common and popular telnet client.

Question 3

SSH stands for what?

Answer 3

Secure Shell(SSH) - port 22. Is the same as telnet but has encryption.

Question 4

RDP stands for what?

Answer 4

Remote Desktop Protocol(RDP). Port - 3389 and is unique to windows.

Question 5

VNC stands for what?

Answer 5

Virtual Network Computing(VNC). Built into all Linux and Mac systems.

Question 6

Protocol for Web Browsers

Answer 6

HTTP - Port 80, or HTTPS - Port 443. HTTP is not secure, and HTTPS uses certificates to make a secure connection.

Question 7

SSL/TLS stands for what?

Answer 7

Secure Sockets Layer(SSL)/Transport Layer Security(TLS).

Question 8

SSL

Answer 8

Standard technology for keeping an internet connection secure and safeguarding any sensitive data that is being sent between two systems.

Question 9

TLS

Answer 9

Is the updated, more secure version of SSL

Question 10

Traceroute/Tracert command

Answer 10

Traceroute in Linux and Mac and tracert in Windows. Run when everything on your system is working, And then you can run when something on your system isn’t working and compare.

Question 11

Ping Command

Answer 11

Is a command-line utility that acts as a test to see if a network device is reachable.