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Code d'Examen: E20-520
Nom d'Examen: EMC (Calriion solutions specialist exam)
Questions et réponses: 520 Q&As
Code d'Examen: E20-805
Nom d'Examen: EMC (EMC Storage and Information Infrastructure Expert Exam for Techno)
Questions et réponses: 125 Q&As
Code d'Examen: E20-390
Nom d'Examen: EMC (VNX Solutions Specialist Exam for Implementation Engineers )
Questions et réponses: 333 Q&As
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NO.1 What should be done to throttle the amount of data being sent over the T3 line when new servers are
brought under RecoverPoint control?
A. Use the compression slider settings for best compression within the cluster
B. Use the balance_load CLI commands to distribute the CGs across the RPAs in the cluster evenly
C. Use the compression slider settings for best performance within the cluster
D. Use a combination of Distributed Consistency Group and bandwidth limits on the Oracle CGs in the
cluster
Answer: A
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NO.2 You have been asked to design a long-distance replication solution with MirrorView/S. You want to
simulate this Exchange environment and gather the baseline 200 km performance data and additional
simul-ations to perform failover testing.
Which tool should you use?
A. loadgen
B. loadsim
C. EPA
D. JetStress
Answer: A
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NO.3 After three months of operations, the Monday SQL full backup is consistently running longer than the
defined backup window. For compliance purposes a tape backup must be created every Monday.
What would be the most secure way to meet the backup window with the least impact to existing
processes?
A. Change the schedule of the baseline snapshot to run before the Monday SQL full backup. Create the
tape copy from the baseline snapshot.
B. Change the Monday SQL full backup to a differential backup. Copy the differential backup to tape. Run
a SQL full backup only once a month.
C. Change the Monday SQL full backup to back up to a new CIFS share in the VNX. Use NDMP to create
a tape copy from the CIFS share.
D. Change the drive count to increase the aggregate performance of the database so that the Monday
SQL full backup runs faster.
Answer: A
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NO.4 A new VMware customer would like to understand RecoverPoint s additional DR protection levels for
their virtual machines.
What design alterations should you propose?
A. Set up the ESX servers by using a CLR protection method and VMware s SRM functionality for
automated DR response.
B. Implement VMware SRM with the existing CDP configuration to provide automated local recovery.
C. Implement RecoverPoint CDP protection and augment the CDP copy with CLARiiON SnapView
technology.
D. Implement VMware fault tolerance on each VM between the two sites.
Answer: A
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Topic 2, Scenario 21
Refer to the Exhibit.
A customer is migrating from their present DAS solution to a new VNX array. As part of the migration, you
have been tasked with sizing the Microsoft Exchange 2010 environment, specifically sizing the
appropriate IOPS profile for the Exchange mailbox servers.
The customer has profiled the environment and provided you with the data in the exhibit. Each mailbox
store contains 100-120 heavy profile users, and each server has 10-12 mailbox stores. Mailbox limits
have been put in place at 500 MB per mailbox. Deleted item retention has been left at default values.
NO.5 You have planned to implement Replication Manager in this environment to manage the backup
requirements.
According to EMC best practices, what prerequisite should you consider?
A. Circular logging must be disabled.
B. Circular logging must be enabled.
C. Transaction logs and database files must be located on the same volume.
D. "Transaction Log location:" and System path location:" for each storage group must be different
Answer: A
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Topic 3, Scenario 13
Refer to the Exhibit.
Your customer s SQL Server environment uses native SQL backup including more granular backups such
as differential backup, as well as transaction logs, to enhance the recovery solution built into the SQL
Server.
This customer also has a software development team that currently updates the development SQL
databases from the nightly production backups. All SQL environments are hosted on VNX iSCSI LUNs.
You propose creating replicas using VNX snaps, as shown in the exhibit. Your proposal includes the
implementation of Replication Manager in this environment.
NO.6 Which tool helps in analyzing the Exchange environment and provides reports on how the environment
compares with current best practices in deploying the Exchange environment?
A. ExBPA
B. Microsoft Windows Performance Monitor
C. loadsim
D. System Attendant
Answer: A
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NO.7 How would you justify the use of CLARiiON splitters in your design.?
A. To avoid an excessive number of ITLs created on the SANTap splitter
B. To take advantage of the VMware vCenter integration for protected virtual machines
C. To minimize the required hardware purchases if SANTap was used for all splitting
D. To separate the splitter load to reduce the expected high load on the WAN link
Answer: A
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NO.8 Topic 1, Scenario 27
Refer to the Exhibit.
A financial institution is implementing a disaster recovery (DR) solution for their key Oracle databases and
other critical data. RecoverPoint has been chosen as the replication technology to use for the DR solution.
For maximum protection, the replication uses CLR for all Oracle systems; CRR is used for all other data.
The production site uses Sun servers for the Oracle servers and Microsoft Windows Server 2008 hosts for
all other data repositories. Storage arrays for the Oracle servers are Symmetrix arrays. All other data and
business departments store their data on CLARiiON CX4 arrays.
Recently, the human resources and finance departments were migrated to the DMX to enhance security
and performance requirements.
This company also plans to bring in a new acquisition with AIX and VMware servers in the next six months.
The AIX servers will be placed on DMX storage and the VMware servers will be placed on CLARiiON
storage. Both are slated for CDP protection.
The DR site is located 2,500 km away from the production site. A dedicated T3 WAN link runs at 44 Mb/s.
Management and replication traffic will use separate VLANs. Each site contains eight RecoverPoint
appliances (RPAs) to maximize the performance and fault-tolerance business requirements. SANTap is
used for all Oracle splitting, and CX splitters are used for all other data.
To support the actual replication needs, 12 group sets were created to support the consistency within the
Oracle consistency groups. The policies on these sets include an RPO of 15 minutes.
The remainder of the data uses 54 consistency groups with an RPO of two hours.
1.What should be done to improve the performance of the WAN link for replication?
A. Enable QoS for the VLAN with RecoverPoint traffic
B. Set the link speed on the RPA to "max throughput"
C. Enable QoS on the Oracle consistency groups
D. Configure EtherChannel Link Aggregation for use with the WAN link
Answer: A
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