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Question 57 - JN0-683 discussion

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Which three statements are correct about VXLAN control planes? (Choose three.)

A.
EVPN is inefficient and does not scale well.
Answers
A.
EVPN is inefficient and does not scale well.
B.
Both multicast and EVPN can facilitate MAC learning.
Answers
B.
Both multicast and EVPN can facilitate MAC learning.
C.
Multicast is not agile and requires manual VNI mapping.
Answers
C.
Multicast is not agile and requires manual VNI mapping.
D.
EVPN enables fast convergence and updates.
Answers
D.
EVPN enables fast convergence and updates.
E.
Multicast does not require as many resources.
Answers
E.
Multicast does not require as many resources.
Suggested answer: B, D, E

Explanation:

VXLAN Control Planes:

VXLAN (Virtual Extensible LAN) uses different control planes to handle MAC learning and traffic forwarding. The control planes include multicast and EVPN (Ethernet VPN).

Multicast and EVPN Comparison:

Option B: Both multicast and EVPN can be used for MAC learning in a VXLAN environment. Multicast is a more traditional approach, while EVPN is more advanced and supports distributed MAC learning.

Option D: EVPN offers benefits such as fast convergence and rapid updates, making it more efficient and scalable for modern data center environments.

Option E: Multicast does not require as many resources because it relies on traditional Layer 3 multicast mechanisms to distribute broadcast, unknown unicast, and multicast (BUM) traffic. However, it can be less flexible and less scalable compared to EVPN.

Conclusion:

Option B: Correct---Both control planes facilitate MAC learning.

Option D: Correct---EVPN provides fast convergence and updates.

Option E: Correct---Multicast is resource-efficient but less flexible.

asked 18/09/2024
Carlotta Agape
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