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Exam 3V0-21.21 All Questions

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Exam 3V0-21.21 topic 1 question 39 discussion

Actual exam question from VMware's 3V0-21.21
Question #: 39
Topic #: 1
[All 3V0-21.21 Questions]

The storage team at an organization is planning to migrate from an older Fibre Channel storage environment to a new environment using IP-based storage.
Which two switch features or characteristics are appropriate for IP storage networks? (Choose two.)

  • A. Fabric extending devices
  • B. Spanning Tree Protocol (STP)
  • C. 2:1 or greater bandwidth oversubscription for 10 GbE switches
  • D. Non-blocking switch
  • E. Deep or ultra buffered switches
Show Suggested Answer Hide Answer
Suggested Answer: DE 🗳️
by estornudo at April 5, 2021, 12:33 p.m.

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CloudRRA
Highly Voted 3 years, 8 months ago
I'll go with DD and E too https://www.arista.com/en/solutions/ip-storage-network-infrastructures
upvoted 15 times
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FR_Wolfman
Most Recent 11 months, 4 weeks ago
Selected Answer: CD
C & D are the best A >> FEX are used to add more network ports, it will not help specifically for storage B >> STP is here to avoid loops in the network, it is not specific to storage C >> Oversubscription has to be considered for storage network design, to find the best level between costs and performances D >> Yes : https://howdoesinternetwork.com/2015/what-is-a-non-blocking-switch E >> Deep buffered switches will degrade performances for storage networks : https://developer.nvidia.com/blog/maximizing-network-performance-for-storage-with-nvidia-spectrum-ethernet/
upvoted 1 times
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migonemati1414
2 years, 9 months ago
Selected Answer: DE
D and E too
upvoted 3 times
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jdonoso
3 years, 3 months ago
The answer is D and E, according the dell documentation. https://www.dell.com/community/s/vjauj58549/attachments/vjauj58549/solutions-ch/488/1/h13104-dedicated-networks-for-ip-storage-wp.pdf
upvoted 3 times
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liksnetwork
3 years, 4 months ago
The answer is C & D, A = Fabric Extending is to expand number of interfaces B = Old technology, today we have moderns solution like VCS Fabric, VPC, MLAG, IP Fabric E = Buffer increase latency on network
upvoted 1 times
Alchot
1 year, 10 months ago
why C. Could it cause latency?
upvoted 1 times
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estornudo
3 years, 9 months ago
D and E?
upvoted 4 times
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Community vote distribution
A (35%)
C (25%)
B (20%)
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