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Exam 3V0-21.21 All Questions

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Exam 3V0-21.21 topic 1 question 31 discussion

Actual exam question from VMware's 3V0-21.21
Question #: 31
Topic #: 1
[All 3V0-21.21 Questions]

An architect is designing a solution based on the following information:
✑ Each ESXi host has a single physical NIC with two 10 Gbps ports.
✑ There is a performance-based service-level agreement (SLA) that guarantees 15 Gbps bandwidth for production virtual machines at all times.
✑ There is no budget to purchase additional hardware.
✑ The hardware replacement SLA is based on a delivery agreement of two business days.
Which recommendation for the configuration of vSphere High Availability (HA) should the architect include in the design?

  • A. Configure vSphere HA Configure % based admission control Configure two isolation addresses Consider an OEM with NIC failure conditions in their Proactive HA plugin
  • B. Configure vSphere HA Set das.IgnoreRedundantNetWarning to true Consider an OEM with NIC failure conditions in their Proactive HA plugin
  • C. Configure vSphere HA Configure two existing data stores for heartbeat Consider an OEM with NIC failure conditions in their Proactive HA plugin
  • D. Configure Proactive HA Automation Level: Automated Remediation: Maintenance mode for all failures Consider an OEM with NIC failure conditions in their Proactive HA plugin
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️
by amgice at April 4, 2021, 9:24 p.m.

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luckybme
Highly Voted 2 years, 5 months ago
D. There is an SLA requirement of VMs needing 15 Gbps Network connectivity at all times. To honor the SLA, VMs need to be migrated to a different host if there is at least one nic failure. It's not necessarily true ( option A) that these two NICs are being used to connect to different networks for configuring multiple isolation addresses.
upvoted 23 times
695849267
2 years, 4 months ago
I also think D is right and A is wrong
upvoted 3 times
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Aolivera
2 years, 2 months ago
D is good. https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-3E3B18CC-8574-46FA-9170-CF549B8E55B8.html
upvoted 3 times
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IronMtn
Most Recent 5 months, 1 week ago
Selected Answer: D
Agree with luckybme and Alchot
upvoted 1 times
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Alchot
11 months ago
Selected Answer: D
From a risk mitigation perspective, D sounds good. There is a single dual port NIC. A hardware issue affects a port then single point of failure triggers on the already single point of failure scenario(single NIC). High risk to meet the SLA Then the other reason is the 15 Gbps SLA. To meet this both NIC ports must be working otherwise SLA breach is present with 10 Gbps single port operating. Keywords VMs needing 15 Gbps Network connectivity Healthy host capacity 2x10 Gbps = 20 Gbps Degraded host capacity 1x10 Gbps = 10 Gbps
upvoted 1 times
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nxt_RTX5
2 years, 1 month ago
I Think it is B: das.IgnoreRedundantNetWarning = true is necessary because of one physical NIC with two ports to prevent ongoing HA configuration messages you either set the parameter or VMware recommends to add a second vmnic to the service console or management network vSwitch configured with NIC teaming, and that you keep both as active adapters, or place one in standby. Proactive HA will take care of the rest
upvoted 2 times
hamadakota
1 month, 2 weeks ago
I agree with you
upvoted 1 times
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cloud29
2 years, 2 months ago
Selected Answer: D
I thinks its D
upvoted 2 times
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zhongzhong5011
2 years, 4 months ago
A : Admission control -just for cpu and mem ; Isolation address -for a host is or not network isolated .so A is no function for require that : the vms must be migrate when bandwidth is not enogh! https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-vcenter-server-701-availability-guide.pdf
upvoted 1 times
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nemisis95
2 years, 6 months ago
A. Configure vSphere HA Configure % based admission control Configure two isolation addresses Consider an OEM with NIC failure conditions in their Proactive HA plugin
upvoted 2 times
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CloudRRA
2 years, 9 months ago
I think a is good https://kb.vmware.com/s/article/1002117
upvoted 1 times
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amgice
2 years, 9 months ago
i think is D
upvoted 4 times
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