E20-260無料問題集「EMC VPLEX Specialist Exam for Implementation Engineers」

質問 1

The monitor report is added to the scheduler with the command schedule add "0 1 * * *" -c report poll-monitors
When is task scheduled to execute?

（A）Once every hour

（B）First day of the week

（C）1 AM every day

（D）First day of the month

正解：C 解答を投票する

質問 2

Which VPLEX component is configured with a public IP address during the installation process?

（A）Director A

（B）LCOM Switch

（C）Management Server

（D）Director B

正解：C 解答を投票する

質問 3

You are preparing a site for a large Metro VPLEX cluster. The storage administrator wants to prepare the storage network configuration and needs to ensure easy troubleshooting of storage path faults.
How many WAN-COM zones per fabric will need to be created?

（A）12

（B）16

（C）32

（D）8

正解：B 解答を投票する

質問 4

A customer has a VPLEX Metro installed. They asked you to recommend a method to non-disruptively move Virtual Volumes from a storage array at Cluster 1 to a storage array at Cluster 2. What would you recommend?

（A）Use the Device Mobility feature of VPLEX.

（B）Use array-based features to copy the storage volume, then rediscover the array.

（C）Change the RAID protection to RAID 0

（D）Use the Extent Mobility feature of VPLEX.

正解：A 解答を投票する

質問 5

A host attempted a read from a volume in a VPLEX Metro configuration. The data does not exist in cache at all.
What process does VPLEX use to service the read request?

（A）VPLEX first searches the local cache for the data before reading from the array.

（B）VPLEX first searches the local cache for the data, then the cache coherency directory before reading from the array.

（C）VPLEX first searches the cache coherency directory for the data before reading from the array.

（D）VPLEX first searches the cache coherency directory for the data, and then searches the local cache before reading from the array.

正解：B 解答を投票する

質問 6

Refer to the exhibit.

The customer deleted ext_2 on a 20 GB LUN in order to make an extent of 10 GB. Why is the customer unable to create a 10 GB extent?

（A）ext_2 cannot be deleted.

（B）Storage array must be re-discovered.

（C）The defrag property is set to false.

（D）Chunks of the storage need to be contiguous.

正解：D 解答を投票する

質問 7

Refer to the exhibit.

You are preparing to perform an upgrade on an unconfigured VPLEX Metro. When you run the ndu pre-check command, it indicates that it has failed and there are no first upgraders. In your troubleshooting, you run the version -a command.
Based on the output, what is the reason for the failure?

（A）Directors are not connected.

（B）health-check --full was not run

（C）ndu pre-check --force flag was not used

（D）Directors are at incompatible code levels

正解：A 解答を投票する

質問 8

medium-sized VPLEX clusters are connected via IP with a round-trip latency of approximately 35 ms.
What type of configuration is this?

（A）Global

（B）Local

（C）Metro

（D）Geo

正解：D 解答を投票する

質問 9

What is a key advantage of integrating VPLEX into a VMware environment?

（A）VMware HA can only replicate across data centers to same-type arrays. VPLEX allows data stores to live on any array-type.

（B）Without VPLEX, all of an ESX server's data must reside on the same array.

（C）If VM data is shared across arrays or across data centers it becomes problematic, VPLEX solves these problems.

（D）Without VPLEX, Motion can only migrate to other disks within the same array.

正解：C 解答を投票する

質問 10

What VPLEX user account is required to manage user security?

（A）user

（B）admin

（C）service

（D）root

正解：B 解答を投票する

質問 11

What is the EMC best practice for the optimum number of active back-end storage paths per director for each LUN presented to VPLEX?

（A）16 paths

（B）4 paths

（C）8 paths

（D）2 paths

正解：B 解答を投票する

質問 12

Which element does VPLEX Witness require?

（A）Consistency Group

（B）Distributed Device

（C）Virtual Volume

（D）Distributed Volume

正解：A 解答を投票する

質問 13

You are doing a code upgrade on a VPLEX. In which directory do you put the upgrade files in order to execute the code upgrade?

（A）/tmp/vfs

（B）/tmp/VPlexInstallPackages

（C）/diags/collect-diagnostics-out

（D）/tmp/diags

正解：B 解答を投票する

質問 14

Refer to the exhibit:

Which two modules are used for back-end connectivity?

（A）A and E

（B）C and F

（C）B and F

（D）D and E

正解：C 解答を投票する

質問 15

What is the purpose of VPLEX Witness in a Metro environment?

（A）Observe state of the clusters, Suspend I/O, Execute health-check, Resume I/O

（B）Send notifications, Pause I/O transfer, Initiate vault dump, Failover consistency groups

（C）Observe the state of the clusters, Distinguish link outages, Intercluster failures, Resume or suspend I/O

（D）Prevent cluster link failure, Stop I/O transfer, Split consistency groups, Failover consistency groups

正解：C 解答を投票する

質問 16

Refer to the exhibit.

What does this 4-step VPLEX cache operation represent?

（A）Global Read Miss

（B）Local Read Miss

（C）Local Read Hit

（D）Global Read Hit

正解：A 解答を投票する

E20-260 無料問題集「EMC VPLEX Specialist Exam for Implementation Engineers」

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