Describe the function of a firewall
Course:- Computer Network Security
Reference No.:- EM131144008

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In your own words what are the following, examples can be added.

1. What is an extranet? (Minimum word count: 30)

2. Describe the function of a firewall. (Minimum word count: 70)

3. Which tunneling protocols are commonly used by VPNs? (Minimum word count: 25)

4. Describe a differential backup. (Minimum word count: 35)

5. What is authentication? (Minimum word count: 50)

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