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E20-526 Questions and Answers

Question # 6

A physical XtremIO Management Server (XMS) has failed and requires replacement. Which two software packages are required for recovery?

A.

XMS image and OVA image

B.

Xtremapp and OVA image

C.

XMS image and Xtremapp

D.

Xtremapp and MPIO

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Question # 7

A user attempts to create a quorum disk for a host cluster. Volume parameters are:

  • Size = 1000 kB
  • Name 1MB_Vol

However, the volume creation fails. What caused the process to fail?

A.

Quorum disks cannot have an 8kB block size

B.

Volume size is too small

C.

Volume name is invalid

D.

XtremIO volumes cannot be quorum disks

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Question # 8

Which part of the XtremIO architecture do host ports use to access an XtremIO volume?

A.

FA

B.

Initiator

C.

Target

D.

Zone

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Question # 9

An administrator receives an error on an XtremIO array while performing snapshot refreshes to a production volume. What is a potential cause for this issue?

A.

Refresh of the production volume is not supported

B.

Volume was not unmapped on the XtremIO cluster

C.

Only snapshot-to-snapshot refresh is supported

D.

Volume was not unmounted on the host

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Question # 10

A customer is considering migrating their existing non-EMC storage arrays to an XtremIO array. The current environment consists of 350 servers running VMware ESXi 5.5 with 5000 virtual machines. The customer has various tools in place to monitor performance and collect statistics. On average, their service time is 32 ms and utilization is at 75%. In the past, the customer has had performance issues.

Based on Little’s Law, what is the calculated response time on the existing environment?

A.

128 ms

B.

192 ms

C.

256 ms

D.

332 ms

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