Free E20-547 Exam Dumps PDF Preview

Question 1

Single choice

What can be found from the Virtualization Host page in the VNX Unisphere Manager GUI?

A
Block connected ESXi Servers
B
Wizard for discovering block connect ESXi Servers
C
File connected ESXi Servers
D
NFS datastores

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Correct answerA

Question 2

Single choice

What is an advantage of the VAAI feature when provisioning an ESXi host from a VNX array?

A
Some workload can be offloaded from the host to the array freeing up host resources
B
vCenter can directly communicate with the array to discover capabilities and monitor health
C
Hosts automatically register initiators with the array and optimize initiator configuration
D
Array connectivity is automatically load balanced and protected from path failures

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Question 3

Single choice

What should be done prior to manually stopping a SnapView session that is running?

A
Flush the host buffers and deactivate the snapshot
B
Save all memory mapping entries to the COFW log
C
Remove the source LUN from the SnapView session
D
Remove the global pool LUN associated with the SnapView session from the reserved LUN pool.

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Correct answerA

Question 4

Single choice

A colleague configured two 512 MB LUNs to be used as Clone Private LUNs (CPLs). When configuring the CPLs, the two 512 MB LUNs do not appear in the list of available LUNs.

What do you advise?

A
CPLs must be 1024 MB or larger.
B
Login to Engineering mode and retry.
C
CPLs must be 256 MB or smaller.
D
Login as an Administrator and retry.

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Correct answerA

Question 5

Single choice

What should be installed to use the data compression feature of a VNX array?

A
Compression Enabler and Thin Provisioning Enabler only
B
Compression Enabler only
C
Compression Enabler and FAST Enabler only
D
Compression Enabler, Thin Provisioning Enabler, and FAST Enabler

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Question 6

Single choice

What EMC software product is used when replacing an I/O module on an EMC VNX Block Only storage system?

A
Unisphere Service Manager (USM)
B
Navisphere Service Taskbar (NST)
C
CLARiiON Array Properties (CAP)
D
Unisphere Server Utility

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Correct answerA

Question 7

Single choice

A Windows Server 2008 host is connected to a VNX series array, using dual FC adapters and running PowerPath 5.5 software.

What is the correct ALUA failover mode for this host?

A
Mode 0
B
Mode 1
C
Mode 2
D
Mode 4

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Correct answerD

Question 8

Single choice

If a source LUN is trespassed, what happens to an unfractured clone LUN?

A
The peer SP acquires both the clone LUN and the fracture logs.
B
The peer SP acquires only the clone LUN.
C
The peer SP acquires only the fracture logs.
D
Neither the clone LUN nor the fracture log will be acquired by the peer SP.

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Question 9

Single choice

How do VNX Snapshots differ from VNX Snapview Snapshots?

A
VNX Snapshots use redirect on first write.
SnapView Snapshots use copy on first write.
B
VNX Snaphosts use copy on first write.
SnapView Snapshots use redirect on first write.
C
VNX Snapshots require application I/O be stopped.
SnapView Snapshots do not.
D
VNX Snapshots support 64 snapshots per LUN.
SnapView Snapshots support 32.

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Question 10

Single choice

You are trying to create a virtual device on a VNX Data Mover in Unisphere under Settings > Network >
Settings For File > Devices > Create.

Why is the physical device not displayed?

A
The device is already used.
B
You do not have permission to create devices.
C
The physical device is faulted.
D
There is no network cable plugged into the physical device.

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Question 11

Single choice

A company has many VNX file systems that they currently export using NFS. Their goal is to simplify the management of these file systems for the Linux client workstations.

How can the storage team help the company achieve this goal?

A
Create a nested mount file system to export all the file systems as a single namespace to mount on the clients.
B
Create administrative exports to the file system roots and community exports for their subdirectories.
C
Create AVM file systems and enable auto extend on the file systems.
D
Mount each file system manually to maintain control of individual export permissions.

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Question 12

Single choice

How do storage pool thick LUNs affect capacity?

A
A storage pool thick LUN uses slightly more capacity than the amount of user data written
B
A storage pool thick LUN uses less capacity than the amount the server operating system sees
C
Capacity of a storage pool thick LUN uses the same capacity as the server operating system sees
D
Capacity of a storage pool thick LUN uses less user capacity then a traditional LUN

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Question 13

Single choice

Which statement is true regarding LUN migration within a VNX array?

A
There may be a performance impact.
B
The source LUN remains unchanged after the copy completes.
C
You cannot cancel a LUN migration once it has started.
D
The destination LUN retains its LUN ID and WWN when the copy completes.

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Question 14

Single choice

Which authority(ies) signs certificates generated for Data Movers?

A
External CA, Control Station
B
Data Movers
C
Management server
D
Data Movers, management server

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Question 15

Single choice

Where are VNX SnapView fracture logs stored?

A
Clone private LUN
B
Reserved LUN pool
C
Clone LUN
D
Source LUN

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Correct answerA

Question 16

Single choice

How does the VNX handle LUN ownership changes so that the access path to the LUN is available to both SPs simultaneously?

A
By using ALUA Failover Mode.
B
By the SPs sharing ownership of the LUNs.
C
By the host software being aware of SP ownership.
D
By the LUN being trespassed.

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Question 17

Single choice

What is the EMC-recommended VNX cache page size for Microsoft Exchange 2010 environments?

A
4 KB
B
8 KB
C
12 KB
D
16 KB

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Correct answerD

Question 18

Single choice

What describes the process to read a Snapview Snapshot from a secondary host?

A
Secondary host issues read.
Unchanged data is read from the source LUN.
Old data is read from the reserve LUN pool.
B
Secondary host issues read.
Data is read from the source LUN.
C
Secondary host issues read.
Old data is copied to the reserve LUN pool.
New data is read from the source LUN.
D
Secondary host issues read.
Data is read from the reserve LUN pool.

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Question 19

Single choice

Which RecoverPoint configuration details can be presented in report format when using Data Protection Advisor?

A
Replication sets
B
Replication lag
C
Link state change
D
RPA configuration changes

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Question 20

Single choice

Which VNX feature improves the storage capacity utilization by only allocating storage as needed for both Block and File storage?

A
VNX Thin Provisioning
B
VNX Deduplication and Compression
C
VNX Total Efficiency Pack
D
Navisphere Analyzer

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Question 21

Single choice

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 Lowest Available Tier option.
B
A traditional RAID-group LUN on SATA drives should be used.
C
Using the Optimize for Pool Performance option.
D
A traditional RAID-group LUN on NL-SAS drives should be used.

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Question 22

Single choice

What EMC software product contains a collection of tools that helps you perform basic hardware and software maintenance tasks on an EMC VNX Unified storage system?

A
Unisphere Service Manager (USM)
B
Navisphere Service Taskbar (NST)
C
CLARiiON Array Properties (CAP)
D
Unisphere Off Array Client

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Correct answerA

Question 23

Single choice

Which statement is true about metaLUNs?

A
Private LUN expansion is unsupported on metaLUNs.
B
Expansion of metaLUNs by striping provides instant additional space to a host.
C
MetaLUNs simplify the design and implementation process.
D
MetaLUNs are supported by traditional RAID groups and pools.

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Question 24

Single choice

The user authentication and system management operations to the VNX with the Unisphere GUI or CLI are performed over the network using which industry standard protocols?

A
Secure Socket Layer (SSL), Transport Layer Security (TLS) and Secure Shell (SSH).
B
Password Authentication Protocol (PAP), Transport Layer Security (TLS) and Secure Shell (SSH).
C
Secure Socket Layer (SSL), Transport Layer Security (TLS) and NT LAN Manager (NTLM).
D
Secure Socket Layer (SSL), Generic Security Services (GSS) and Secure Shell (SSH).

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Question 25

Single choice

By default, what do you have to install on an ESX 4.
x host to auto register with a VNX for Block storage system?

A
Nothing; the host will automatically register with the VNX storage system
B
Only Unisphere Host Agent on the ESX host
C
Only Navisphere Secure CLI on the ESX host
D
Both Unisphere Host Agent and Navisphere CLI on the ESX host

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Question 26

Single choice

The file system for an SQL database is running low on available capacity. The database is running on a Windows Server 2008 host connected to a VNX Block array. The file system LUN is configured in a FAST
VP enabled pool.

How can the storage administrator add capacity without disrupting the users?

A
Expand the LUN online and then extend the file system on the host
B
Create a larger LUN then use VNX LUN migration to migrate the data
C
Expand the LUN into a MetaLUN and extend the file system on the host
D
The LUN cannot be expanded or migrated without disruption to the users

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Question 27

Single choice

In which file format can Unisphere monitoring graphical statistics be exported?

A
csv
B
txt
C
pdf
D
doc

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Question 28

Single choice

What will prevent a storage administrator from deleting a storage group?

A
The presence of hosts in the storage group
B
The presence of LUNs in the storage group
C
The presence of MirrorView source LUNs in the storage group
D
The presence of MirrorView target LUNs in the storage group

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Question 29

Single choice

What is the minimum acceptable number of drives in a RAID 6 pool on a VNX array?

A
3
B
4
C
8
D
16

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Correct answerB

Question 30

Single choice

In an environment where VNX shares are mainly used by a Web Application Server, the administrator notices very high CPU load on the Antivirus servers used by CAVA.

What could be the reason?

A
TMP files are not excluded from scan
B
LOG files are being scanned
C
XML files are not excluded from scan
D
There is just one CAVA agent running on the server

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Question 31

Single choice

A storage administrator has provisioned storage to a server, but only some of the LUNs are visible to the host.

What would explain why some LUNs appear to be missing?

A
The 'missing' LUNs were not added to the storage group.
B
The host initiators are not logged into the array.
C
The disk alignment has not been set to the 1 MB boundary.
D
The host agent is not connected to the storage system.

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Correct answerA

Free E20-547 Exam Dumps Preview

VNX Solutions Specialist Exam for Storage Administrators

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QUESTION 31