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CompTIA Network+ (N10-004) Cert Guide by Mike Harwood

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Appendix A. Answers to the Review Questions

Chapter 1

1. B. One of the disadvantages of the physical bus topology is that it’s prone to cable faults. In addition, a fault on the cable can render the entire network unusable. The advantages of the physical bus topology are that the cabling is simple, and no additional network hardware is required to create the network.

2. A, B, D. VLANs can be created by using protocol assignments, by defining the ports on a device as belonging to a VLAN, or by using MAC addresses. VLANs cannot be created by using the NetBIOS computer name.

3. C. A VPN provides a secure communication path between devices over a public network such as the Internet. None of the other answers describes a VPN.

4. A. In a mesh topology, ...

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