Week 4 Virtual Private Networks

Question 1

Virtual Private Network (VPN)

Answer 1

A technology that allows for the extension of a private or local network to hosts that might not work on that same local network

Question 2

Two factor authentication

Answer 2

A technique where more than just a username and password are required to authenticate

Question 3

Proxy service

Answer 3

A server that acts on behalf of a client in order to access another service

Question 4

Benefits of proxy service

Answer 4

Anonymity
Security
Content filtering
Increased performance

Question 5

Reverse proxy

Answer 5

A service that might appear to be a single server to external clients, but actually represents many servers living behind it

Question 6

VPNs are known as a___ protocol.

Answer 6

Tunneling

Question 7

A proxy is something that’s:

Answer 7

Communicates on behalf of something else

Question 8

What are some use cases for reverse proxies?

Answer 8

Load balancing and encryption/decryption.

Question 9

IP masquerading

Answer 9

The NAT obscures the sender’s IP address from the receiver