Switches don't change the destination mac address in a frame when forwarding it. The source and destination mac information is preserved from the source to destination inside a layer 2 broadcast domain. Answer should be CD
Correct answer C&D
A. Switches use the Address Resolution Protocol table to assign MAC addresses to network interface cards in the forwarding frame: This is incorrect. The Address Resolution Protocol (ARP) is used by devices to map IP addresses to MAC addresses, but it does not assign MAC addresses to NICs. Switches use a MAC address table to map MAC addresses to specific switch ports.
B. Switches use the destination MAC address to identify the next-hop destination and to change the destination MAC address in the frame: This is incorrect because switches do not alter the destination MAC address in the frame. They forward the frame based on the destination MAC address but do not modify it.
B & D.
MAC address changes when travelling to a different network.
- can be verified with packet capture
IP address stays the same from source to destination
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