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Exam 3V0-42.20 topic 1 question 57 discussion

Actual exam question from VMware's 3V0-42.20
Question #: 57
Topic #: 1
[All 3V0-42.20 Questions]

An architect is helping an organization with the Logical Design of an NSX-T Data Center solution.
This information was gathered during the Assessment Phase:
✑ Maximum performance and availability is required between the physical and virtual network.
✑ Load Balancing service is required for back-end web servers.
✑ NAT is required.
Which selection should the architect include in their design? (Choose the best answer.)

  • A. Deploy a Tier-1 gateway and connect it to an Active/Active Tier-0 gateway with ECMP configured.
  • B. Deploy an Active/Active Tier-0 gateway and configure ECMP.
  • C. Deploy an Active/Standby Tier-0 gateway and configure ECMP.
  • D. Create two separate VLANs to connect the Tier-0 gateway upstream traffic and configure ECMP.
Show Suggested Answer Hide Answer

Suggested Answer: C


Highly Voted 3 months, 1 week ago
Correct Answer: A
upvoted 10 times
Most Recent 1 month, 1 week ago
A is the correct answer. LB must be attached to Tier-1 gateway. In a typical deployment, the Tier-1 gateway is connected to a Tier-0 gateway in active-active mode, and as we know just in Tier-0 is supported ECMP.
upvoted 2 times
3 months ago
Option C is wrong because ECMP can be enabled only on Active-Active Tier-0 Gateway. Option B is wrong because load balancer can be configured on Tier-0. Option A is correct because it talks about Tier-1 where we can leverage LB and also Tier-0 A-A is mentioned which means we can leverage ECMP there.
upvoted 4 times
3 months, 1 week ago
Correct Answer: A
upvoted 2 times