E20-390無料問題集「EMC VNX Solutions Specialist Exam for Implementation Engineers」

質問 1

What is indicated by a blue enclosure power LED on a 25-slot DPE?

（A）Any enclosure fault, including SP faults, has occurred

（B）The battery backup system is fully charged.

（C）AC or DC power is applied and all outputs are in operating range

（D）Any outputs or inputs are out of operating range.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

An administrator is using the VNX file filtering feature. What is considered a valid filter file name?

（A）extension_name

（B）NetBIOS_name@sharename@extension_name

（C）sharename@extension_name

（D）share_name

正解：A 解答を投票する

質問 3

What is the minimum number of disks required for a RAID 5 group?

（A）3

（B）5

（C）16

（D）4

正解：A 解答を投票する

質問 4

Where can CPLs be created?

（A）Thick LUNs

（B）Traditional LUNs

（C）Thin LUNs

（D）Clone groups

正解：B 解答を投票する

質問 5

What occurs after data compression of a storage pool LUN?

（A）The LUN is defragmented.

（B）Source LUN is unbound from RAID-group.

（C）Freed space is returned to the storage pool.

（D）Host I/O is restarted.

正解：C 解答を投票する

質問 6

A company is assigning replicated LUNs from a new VNX to a Microsoft Windows 2008 host.
Which action should be performed in order to avoid a misalignment?

（A）Upgrade to Microsoft Windows 2012 so alignment is done automatically

（B）Use a 16 kiB page size for the VNX cache

（C）Use Microsoft diskpart to align the new partition to a 2 MiB boundary

（D）No action is required

正解：D 解答を投票する

質問 7

What is a critical performance and availability consideration when configuring traditional RAID Groups on a VNX array?

（A）Larger RAID 5 groups have decreased risk to availability and lower IO throughput

（B）Smaller RAID 5 groups have increased risk to availability and lower IO throughput

（C）Larger RAID 5 groups have increased risk to availability and higher IO throughput

（D）Smaller RAID 5 groups have decreased risk to availability and higher IO throughput

正解：C 解答を投票する

質問 8

Which PowerPath version should be installed on a Windows host to support ALUA?

（A）4.1

（B）50

（C）5.1

（D）4.0

正解：C 解答を投票する

質問 9

In which file are the default audit events defined?

（A）/etc/auditd.conf

（B）/nas/etc/audit.rules

（C）/nas/audit/audit.rules

（D）/etc/audit/audit.rules

正解：D 解答を投票する

質問 10

A company has an application that uses a small amount of capacity but has very high performance requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage pools. They want to configure the LUNs for this application on high performance storage.
How should the LUNs be initially configured?

（A）Use a traditional RAID group LUN on Flash drives

（B）Use the Highest Available Tier option

（C）Use a traditional RAID group LUN on SAS drives

（D）Use the Optimize for Pool Performance option

正解：B 解答を投票する

質問 11

How does host file system defragmentation of pool LUNs affect VNX performance?

（A）Causes heavy loading of cache and front-end ports and may result in a decrease in system performance.

（B）Reduces loading of cache and back-end ports and may result in an increase in system performance.

（C）Causes heavy loading of cache and back-end ports and may result in a decrease in system performance.

（D）Does not cause additional VNX system load and will not affect system performance.

正解：C 解答を投票する

質問 12

While using SnapView snapshots, a host attempts to write to a snapshot with an active session. What will happen if the chunk is not already in the RLP?

（A）Write requests are allowed. The new data is written to the RLP

（B）A new map entry is created. The original data and the new data are written to the RLP

（C）Data is written to the snapshot and will be persistent beyond the end of the session

（D）Write requests are not allowed to a snapshot with an active session

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 13

What is the maximum number of DNS domains that can be configured per Data Mover?

（A）Unlimited

（B）1

（C）4

（D）2

正解：A 解答を投票する

質問 14

A customer has an application that uses a lot of capacity but has very low performance requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage pools. The customer wants to configure the LUNs for this application on low performance storage.
How should the LUNs be initially configured?

（A）Using the Optimize for Pool Performance option.

（B）A traditional RAID-group LUN on NL-SAS drives should be used.

（C）A traditional RAID-group LUN on SATA drives should be used.

（D）Using the Lowest Available Tier option.

正解：D 解答を投票する

E20-390 無料問題集「EMC VNX Solutions Specialist Exam for Implementation Engineers」

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