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Question 11 - JN0-105 discussion

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Which two statements are correct about MAC addresses? (Choose two.)

A.
Switches use the Address Resolution Protocol table to assign MAC addresses to network interface cards in the forwarding frame.
Answers
A.
Switches use the Address Resolution Protocol table to assign MAC addresses to network interface cards in the forwarding frame.
B.
The source and destination MAC addresses always remains static to the final destination.
Answers
B.
The source and destination MAC addresses always remains static to the final destination.
C.
The MAC address identifies the physical hardware.
Answers
C.
The MAC address identifies the physical hardware.
D.
Switches use the destination MAC address to identify the next-hop destination and to change the destination MAC address in the frame.
Answers
D.
Switches use the destination MAC address to identify the next-hop destination and to change the destination MAC address in the frame.
Suggested answer: C, D

Explanation:

MAC (Media Access Control) addresses are unique identifiers assigned to network interfaces for communications at the data link layer of a network segment. MAC addresses are used to identify the physical hardware on a network. In the context of Ethernet switches, the destination MAC address in incoming frames is used to determine the appropriate output port for forwarding the frame towards its final destination. The switch does not change the destination MAC address; it uses the MAC address to make forwarding decisions within the local network segment.

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asked 18/09/2024
Francesco Balducci
36 questions
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