Computer Networking
Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?

Layer 7 protocols
Layer 6 protocols
Layer 4 protocols
None of these
Layer 5 protocols

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Computer Networking
Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

2 and 4
1 and 5
1, 3 and 5
2, 3 and 6

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