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VLAN MCQs

Practice VLAN MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1
Computer & Networking BasicsVLAN

A VLAN is used to create separate logical?

  • ALayer-2 broadcast domains
  • BCPU cores
  • CInternet domain names
  • DPhysical-layer voltages
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Correct Answer: A. Layer-2 broadcast domains
Explanation: VLANs logically segment a switched Ethernet network into distinct Layer-2 broadcast domains.
Reference: Standard computer networking fundamentals: vlan
Question 2
Computer & Networking BasicsVLAN

Devices in different VLANs normally require what to communicate at the IP layer?

  • AInter-VLAN routing
  • BOnly a passive hub
  • CA crossover cable with no Layer-3 function
  • DNo networking device
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Correct Answer: A. Inter-VLAN routing
Explanation: Communication between separate VLAN IP networks requires a Layer-3 device or Layer-3 switching function.
Reference: Standard computer networking fundamentals: vlan