Google IT Support Professional:The Bits and Bytes of Computer Networking (Week 4) Networking Services.

 

Don't just copy for the sake of completion. 

Make sure you understand first.

★VPNs & Proxies★

Q1.Two-factor authentication is_________________________.

1. a method where you need two passwords.
2. a method that requires two usernames.
3. a method where you authenticate twice.
4. a method where you need more than a username and a password.

Two-factor authentication requires a username/password and something extra.

Q2.VPNs are known as a _____ protocol.

1. connectionless
2. data link layer
3. tunneling
4. network layer

VPNs are tunneling protocols.

Q3.A proxy is something that _______________________.

1. sends data across a single network segment.
2. communicates on behalf of something else.
3. encrypts traffic sent across the Internet.
4. allows for many devices to speak to one other device.

While proxies are many things, they primarily communicate on behalf of something else.

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