ETC EngineeringMCQs
Home

Ethernet Switching MCQs

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

Question 1
Computer & Networking BasicsEthernet Switching

A basic Ethernet switch reduces unnecessary frame delivery compared with a hub by learning?

  • ASource MAC addresses and associated ports
  • BApplication passwords
  • CCPU register values
  • DDNS zone files only
Report an error
Correct Answer: A. Source MAC addresses and associated ports
Explanation: A switch builds a MAC address table from source addresses and uses it to forward known unicast frames only toward the appropriate destination port.
Reference: Standard computer networking fundamentals: ethernet switching
Question 2
Computer & Networking BasicsEthernet Switching

On a switch, each individual switch port normally forms a separate?

  • ACollision domain
  • BIP broadcast domain regardless of VLAN
  • CAutonomous system
  • DDNS zone
Report an error
Correct Answer: A. Collision domain
Explanation: Modern switched Ethernet gives each port its own collision domain, unlike a shared hub segment.
Reference: Standard computer networking fundamentals: ethernet switching
Question 3
Computer & Networking BasicsEthernet Switching

A switch receives a unicast Ethernet frame whose destination MAC address is unknown in its MAC table. It normally?

  • AFloods the frame out appropriate ports in the same VLAN except the incoming port
  • BDrops every such frame immediately
  • CSends it only to the default gateway
  • DConverts it into an IP broadcast
Report an error
Correct Answer: A. Floods the frame out appropriate ports in the same VLAN except the incoming port
Explanation: Unknown unicast traffic is normally flooded within the relevant VLAN until the destination location is learned.
Reference: Standard computer and networking fundamentals: ethernet switching