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Symmetrix Business Continuity Expert Exam for Storage Admins : e20-817 Exam

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Exam Number/Code: e20-817

Exam Name: Symmetrix Business Continuity Expert Exam for Storage Admins

“Symmetrix Business Continuity Expert Exam for Storage Admins”, also known as e20-817 exam, is a EMC certification. With the complete collection of questions and answers, Pass4sure has assembled to take you through 132 Q&As to your e20-817 Exam preparation. In the e20-817 exam resources, you will cover every field and category in EMC Certification helping to ready you for your successful EMC Certification.

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4. A customer running SRDF/Star experienced a workload site failure. Production was switched from the
workload site A to the synchronous target site B. Some time later, site A came back online. Before switching
production back to site A, a symdev show command is executed to examine the R1 devices at site A.
What is the RDF configuration state that describes the relationship of the RDF devices between A and B?
A.Duplicate
B.Half
C.Normal
D.PartitionedAnswer: A

5. A customer has a 5 (five) node Microsoft cluster (MSCS) that spans across 2 (two) sites over a SRDF/A link.
Site A, the primary site, contains 3 (three) nodes. Site B, the remote site, contains 2 (two) nodes. If the customer is
using SRDF/CE with Majority Note Set (MNS), what happens to the nodes at Site A if communication is lost
between the 2 (two) sites?
A.Nodes at Site A and Site B will go offline until communication resumes to Site B. The nodes at both sites need
to be started manually, and the /ForceQuorum switch must be used.
B.Nodes at Site A will go offline until communication resumes to Site B. The nodes at Site A need to be started
manually and the /ForceQuorum switch must be used.
C.Nodes at Site A will go offline until the nodes at Site A are manually started and the /ForceQuorum switch is
used.
D.Nodes will remain online.Answer: D

6. A company has a five-node MSCS cluster running SRDF/CE with three nodes at the primary site and two nodes
at the secondary site. The sites are 10 km apart. Due to capacity requirement changes, additional storage is
needed.
What must be done to the cluster after the storage configuration changes?
A.No action is required with MSCS after storage provisioning. All storage configuration updates are propagated
automatically via the COM server to the cluster nodes.
B.SRDF/CE cluster requires use of the COM server that must be restarted after all configuration changes. Once a
change is made to a node configuration, it will send out a message to all other cluster node members after the
service restarts.
C.The clusters must be rebooted, and a complete rescan of the system bus is required. Any current patches should
be applied at this time.
D.Update the SRDF/CE database by issuing a Symmetrix SRDF/CE Discover through the console or manually
setting symcli_db_file to srdfcesymapi.db followed by the symcfg discover command.Answer: D

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7. Your client has 10 large Microsoft Exchange servers. Currently, the backups to tape are not completing in the
backup window. The database cannot be stopped, and the client has no capacity to increase the number of tape
drives available.
How will you help solve the clients problem and provide the shortest possible backup window?
A.Add local BCVs to the Exchange Server disk and use TF/EIM to perform parallel backups.
B.Replicate the data to a disaster recovery site and use TF/SIM to perform tape backups.
C.Use TF/EIM to perform parallel backups directly to tape.
D.Use the EMC EDM product to call the Microsoft Exchange Online Backup API to back up the data to tape.
Answer: A

8. Your customer requests an immediate point-in-time copy of their production Oracle database but cannot have
the application brought down.
Which Enginuity feature allows the creation of restartable copies without quiescing the database?
A.Double Checksum
B.Enginuity Consistency Assist
C.Multi-Session Consistency
D.Symmetrix Differential Data Facility
Answer: B

9. An application has a BC requirement of two independent full concurrent copies of production each night. One
copy is mounted up for backup and recovery (BURA); the other is mounted up on a target server for data
warehouse operations.
The current STD device configuration is a four-member mirrored meta. The current BCV device configuration is a
four-member unprotected meta. The Symmetrix has global hot sparing enabled.
Which local EMC replication product(s) will enable the same number of replications as well as an additional
SRDF device?
A.Symmetrix Optimizer
B.TimeFinder/Clone
C.TimeFinder/Snap
D.TimeFinder/SRDF
Answer: B

10. You are designing an SRDF service level plan for a customer. Their needs assessment shows the following:
Performance: Remote replication with potential impact, depending on distance and network latency for
synchronous leg
Availability: Zero data exposure in the event of a source failure; no data loss on a single point of failure
Functionality: Continuous real-time mirroring on synchronous leg, Unlimited distances with no additional host
impact for asynchronous leg, and the ability to synchronize between two remote sites
Economics: Requires sufficient bandwidth to support peak workload requirements
Which SRDF mode of operation should be chosen?
A.SRDF/A
B.SRDF/DM
C.SRDF/S
D.SRDF/Star
Answer: D

11. A company migrates their Windows 2003 Exchange servers. After this has been completed the systems
administrator notes that performance has degraded on one of the Exchange servers. Analysis indicated that the
system is performing two reads or writes for transactions 15% of the time.
What is the probable cause?
A.Block size is too small.
B.Read cache is turned off.
C.Sectors are misaligned.
D.Stripe size is too small.
Answer: C

12. A company had their SRDF links go down while the R1BCV was in the process of synchronizing with the
STDR2. A few minutes later the TimeFinder Integration Module for Exchange found inconsistencies in the
information store of the local STDR1 device. The SRDF link comes back up.
What must the storage administrator do next?
A.Restore the STD from the STDR2.
B.Establish the R1BCV with the STDR2.
C.Keep the data from becoming unusable at the remote location.
D.Split the BRBCV from the STDR2.
Answer: A

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* Updated: October 29th , 2008
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