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Code d'Examen: E20-814

Nom d'Examen: EMC (Symmetrix Solutions Expert Exam for Storage Administrators)

Questions et réponses: 116 Q&As

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NO.1 All applications running on an EMC Symmetrix VMAX array are experiencing poor
performance.
The environment is characterized by:
Dissimilar workloads
Inefficient resource utilization
Service levels not being met
What can be done to guarantee service levels of business critical applications?
A. Implement dynamic cache partitioning
B. Balance throughput across ports
C. Re-map devices to evenly map the workload
D. Provision new storage for applications
Answer: A

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NO.2 A company uses VMware ESXi servers and EMC Symmetrix VMAX storage arrays. The storage
administrators use the VMware vSphere client on their Microsoft Windows desktops to manage
the environment. They would like to use the EMC Virtual Storage Integrator Path Management
plug-in.
Which path management activities will this plug-in allow?
A. Set multi-pathing policy for all Symmetrix devices
B. Set multi-pathing policy for individual Symmetrix devices
C. Change the multi-pathing ownership of all Symmetrix devices from NMP to PowerPath/VE
D. Change the multi-pathing ownership of individual Symmetrix devices from NMP to
PowerPath/VE
Answer: A

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NO.3 A company has a vSphere environment consisting of eight ESXi hosts. Each host is running
EMC
PowerPath/VE and is connected to multiple FA ports on their Symmetrix. PowerPath/VE will not
claim the disk devices presented by their storage array even though the devices are seen by the
hosts.
What is the most likely solution?
A. Configure and register the PowerPath/VE license file
B. Check LUN masking on the array
C. Change the PowerPath/VE failover policy to Symopt
D. Uninstall and reinstall PowerPath/VE
Answer: A

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NO.4 A company is planning to migrate their Oracle database to EMC Symmetrix VMAX to support
decision support system applications. They would like design guidelines to overcome the existing
performance bottlenecks.
What is the key design guideline?
A. Redo logs and archive logs on separate spindles with RAID 5 protection
B. Redo logs and archive logs on the same spindles RAID 5 protection
C. Redo logs and archive logs on the same spindles with RAID 1 protection
D. Redo logs and archive logs on separate spindles with RAID 1 protection
Answer: D

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NO.5 An Oracle ASM disk group consists of two 50 GB LUNs and is currently in use. The Oracle
database requires more storage space and has two 100 GB LUNs available.
What is the recommended way to organize ASM disk groups to make use of additional space?
A. Create a new disk group containing two 100 GB LUNs
B. Extend the current disk group to include the two 100 GB LUNs
C. Create two new disk groups containing one 100 GB LUN each
D. Double the disk group size by extending with one 100 GB LUN
Answer: A

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NO.6 Storage administrators for an EMC Symmetrix VMAX need to increase allocated storage for
Microsoft Exchange LUNs without interrupting its operation. Performing a virtual LUN migration
causes a critical nightly clone operation to run for hours instead of minutes. This impacts later
dependent jobs, preventing production operations from completing.
How can this impact to the nightly process be minimized?
A. Set a QoS value of 8 for MIR Copy Pace
B. Set a QoS value of 0 for MIR Copy Pace
C. Set SPC value of 1 on the Exchange LUNs
D. Set SPC value of 8 on the clone LUNs
Answer: A

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NO.7 A company's administrator has implemented Symmetrix Access Control. The motherboard in
the
UNIX host with ADMIN privileges was replaced. After this change, the administrator was unable to
issue any Symmetrix Management commands.
What is the next step the administrator should take?
A. Regenerate the Unique ID
B. Reboot the UNIX host
C. Reset the Access Control database
D. Reinstall Solutions Enabler
Answer: A

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NO.8 SRDF/EDP is running in Adaptive Copy Disk mode from the source (R1) site to the secondary
(R21) site. Which SRDF mode is permitted between the R21 and the R2 sites?
A. Adaptive Copy Write Pending
B. Adaptive Copy Disk
C. Synchronous
D. Semi-synchronous
Answer: A

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NO.9 A company has activated a consistent clone replica of an Oracle database using hot backup
mode
on February 26th. The Oracle instance continues to run until March 6th. On March 7th, the
company realizes that an application problem occurred on February 28th.
What is the most recent point to which the database can be recovered?
A. February 26th
B. February 28th
C. March 6th
D. March 7th
Answer: B

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NO.10 A company uses EMC Symmetrix VMAX storage for their VMware vSphere environment. They
intend to use SRDF/S for disaster recovery.
What is a consideration when mounting datastores on the remote site after a failover?
A. Keep the existing signature on the replica datastore
B. Assign a new signature to the replica datastore
C. Replica datastore must be mounted as read only
D. Original datastore must be unmounted before the replica datastore can be mounted
Answer: A

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