Data Communication Networks Quiz Answers

Quiz

1/2 points (graded)

True/False

1. A star network is robust and therefore not prone to faults.

True

False 

False

 

2. A router can break broadcast domains.

True 

False

True

 

Single-answer question:

3. What is the disadvantage of a tree network?

Nodes at higher layers will cause more serious network problems if they become faulty. 

The tree network uses a hierarchical star structure.

The tree network can quickly connect multiple star networks together.

It is easy to expand the network scale.

Nodes at higher layers will cause more serious network problems if they become faulty. 

 

Multiple-answer question:

4. Which functions does a firewall provide?

Isolates networks of different security levels.

Uses security policies to implement access control between networks of different security levels.

Implements remote access.Implements data encryption and virtual private network services.

Implements network address translation.

All Correct

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