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QUESTION 26
Exchange 2010 is installed on a virtual machine using VMDK files. Replication Manager is being used to
take snapshots of the virtual machine files and back them up to disk. After a few weeks, the Exchange
server stops functioning.
What is the most likely reason for the Exchange failure?
A. Replication Manager is unable to truncate log files.
B. Replication Manager can only snapshot powered off VMs.
C. Replication Manager is compatible with RDMs, not VMDKs.
D. Replication Manager is not compatible with VMFS version 5.
Correct Answer: A
QUESTION 27
A customer configures SnapView clones on their EMC VNX. A 512 GB clone is fractured for 5 minutes. The source LUN performs fifty 16 KB random writes per second. The clone resynchronization is configured to 6 MB/s. How long will it take to resynchronize the clone?
A. 21.0 minutes
B. 35.0 minutes
C. 10.5 minutes
D. 60.0 minutes
Correct Answer: C
QUESTION 28
You are deploying Exchange 2010 using a VMware virtualized infrastructure. A large VMFS partition will support the operating system binaries for four mailbox servers. RDM devices will be used for all database and log volumes. All partitions on the RDMs have been created using Windows Disk Manager.
During deployment verification, you populate a database with test data and attempt to create a backup of it using Replication Manager. The replica creation fails with an error. What is the cause?
A. The RDMs were created in virtual mode.
B. The vSphere client was used to create the VMFS partitions.
C. The ESX ‘maxlun’ parameter has been exceeded.
D. Replication Manager does not support VMFS volumes.
Correct Answer: A
QUESTION 29
A customer has vSphere v4.x hosts connected to an EMC VNX with thin provisioned pools. They report capacity shortages even after deleting or migrating some VMs. You recommend the customer upgrade their virtual environment to vSphere v5.0 to benefit from the new features and enhancements in VAAI. Which VAAI feature will address their issue?
A. Dead Space Reclamation
B. Thin Provisioning Stun
C. Hardware Acceleration
D. Hardware assisted locking
Correct Answer: A
QUESTION 30
Click on the calculator in the upper left-hand corner.
A company plans to migrate their 10 TB Oracle 10g database to a new EMC VNX with FAST Suite and
FAST Cache. What is the recommended minimum FAST Cache size that should be provisioned?
A. 1 TB
B. 500 GB
C. 100 GB
D. 200 GB
Correct Answer: B QUESTION 31
Two new EMC VNX were implemented at a customer’s primary and backup sites. Each VNX has a single active Data Mover. Multiple VDMs are configured on both VNX, each with a CIFS file system. The default mapping solution was implemented in a primary-secondary configuration.
The customer completes a security audit and then observes new user authentication fails on the secondary site. Which TCP/UDP port is being blocked by the firewall?
A. 12345
B. 443
C. 23
D. 8088
Correct Answer: A QUESTION 32
A customer plans to implement and replicate CIFS on two new EMC VNX. The customer’s existing environment recently suffered a long outage due to a computer virus. The customer wants to use CAVA in their new CIFS environment on VNX. Which configuration will satisfy this requirement?
A. Create a Global CIFS Server on the physical Data Mover at the primary and DR sites.
B. Configure the CAVA client on the Virtual Data Mover at the primary and DR sites.
C. Configure the CAVA client on the VNX Control Station at the primary and DR sites.
D. Create a Global CIFS Server on the Anti-Virus Engine at the primary and DR sites.
Correct Answer: A QUESTION 33
A customer plans to virtualize their SQL databases on an EMC VNX. They are most concerned about database performance. How should they design the SQL layout?
A. Distribute multiple SQL instances per VM
B. Distribute one SQL instance per ESX server
C. Distribute one SQL instance per VM
D. Allocate all SQL instances to the VM with the most resources
Correct Answer: C QUESTION 34
Click on the calculator in the upper left-hand corner.
An Exchange 2010 environment with 60% reads and 40% writes will be configured on an EMC VNX using RAID 1/0 15K SAS drives. The total I/O per second required is 3,000. Accounting for additional overhead for spikes, what is the number of spindles required?
A. 32
B. 24
C. 30
D. 28
Correct Answer: A
QUESTION 35
A customer has an existing DR solution using SRDF between Symmetrix at their source and backup sites. TimeFinder Clones are also used at the backup site. A new VNX is installed at the backup site. The customer tries to use Incremental SAN Copy to copy data updates from the TimeFinder Clone to live web server LUNs on the VNX. The customer reports they are not able to configure the SAN Copy session. Why does the customer need to rework this solution?
A. The source for Incremental SAN Copy must be a TimeFinder BCV, and the server I/O needs to be stopped.
B. The source for Incremental SAN Copy must be on the VNX, and the server I/O needs to be stopped.
C. The source for Incremental SAN Copy must be on the source Symmetrix, and TimeFinder Snapshot needs to be used.
D. The source for Incremental SAN Copy must be on the VNX, and the data needs to be pushed.
Correct Answer: B
QUESTION 36
A customer wants to reduce the performance impact incremental SAN Copy (ISC) has on their source LUN. They plan to use a clone between the current source and destination LUNs, and then use the fractured clone as the new ISC source LUN. The source LUN performs two hundred 4 KB random I/O per second, with a 1:1 read/write ratio.
The source LUN is 768 GB in size, and the clone will be fractured for five minutes. How much data will be copied to the destination LUN?
A. 11,250 MB
B. 22,500 MB
C. 1,125 MB
D. 4,800 MB
Correct Answer: A
QUESTION 37
A vSphere ESXi 5.0 server is connected to a VNX LUN with several virtual machines on VMFS datastores. An administrator wants to take a snapshot of one of the virtual machines on the LUN. Which method can be used?
A. VM SnapShot
B. SnapView SnapShot
C. Storage vMotion
D. MirrorView session
Correct Answer: A
QUESTION 38
An implementation engineer installs a DR solution to protect ten CIFS shares at site A. VNX Replicator will be used to replicate the shares from Site A to Site B. How many VDMs should be contained in this DR solution for maximum portability?
A. 10
B. 2
C. 5
D. 20
Correct Answer: D QUESTION 39
A customer has a Windows-only environment connected to an EMC VNX for File at their main campus site.
The customer plans to install a new EMC VNX at a remote branch office site. The new VNX will be used to
implement a DR solution for their main campus VNX using VDMs and several quota-enabled file systems
shared and available to clients via CIFS.
Which solution do you recommend to the customer?
A. Use VNX Replicator to replicate the VNX VDMs and associated file systems from the main campus site to the VNX system at the branch office site to provide an asynchronous DR solution.
B. Use VNX Replicator to replicate the VNX VDMs and associated file systems from the main campus site to the VNX system at the branch office site to provide a synchronous DR solution.
C. Use VNX SnapView Clones to copy the VNX block devices associated with the VNX file systems from the main campus site to the VNX system at the branch office site to provide a synchronous DR solution.
D. Use VNX MirrorView/A to copy the VNX block devices associated with the VNX file systems from the main campus site to the VNX system at the branch office site to provide an asynchronous DR solution.
Correct Answer: A
QUESTION 40
A customer creates an incremental SAN Copy (ISC) session for a 200 GB LUN on an EMC VNX. The session fails to start, and the customer notes the RLP (reserved LUN pool) contains 300 MB of storage. What action must be taken to get the session started?
A. Increase the RLP storage to 30 GB.
B. Deactivate the ISC snapshot.
C. Enable the SnapView license.
D. Restart the COFW service.
Correct Answer: A
QUESTION 41
A customer creates a Remote Mirror of a 1 GB RAID 5 pool LUN. The primary LUN is presented to a Windows storage group. The customer wants to add a Secondary Image to the Remote Mirror. The only LUNs available are 5 GB RAID 1/0 LUNs presented to a Linux storage group. The customer reports they are unable to add the Secondary Image. What do you advise?
A. Secondary Image must be the same RAID type.
B. Secondary Image must be the same capacity.
C. Secondary Image must be in the same storage pool as the Primary Image.
D. Secondary Image must be presented to the same host type.
Correct Answer: B
QUESTION 42
A storage administrator creates a new file system on their EMC VNX. They observe that the new file system does not perform as well as the first set of file systems they created. AVM was used to create all file systems using pool LUNs. All disks in the VNX are the same size and speed SAS drives.
When the storage administrator attempts to create another file system, using the same resources, the creation process fails. Why did the file system creation fail on the last attempt?
A. AVM is unable to fulfill the file system creation request due to a lack of mapped pool resources.
B. Thick and thin LUNs cannot be combined to fulfill the storage requirements.
C. AVM requires that pool LUNs stripe five dvols together. Only four dvols were available.
D. Thick and thin LUNs that were available to create the file system did not share the same service policy.
Correct Answer: A QUESTION 43
A customer has recently installed ESXi 5.0 on a five host cluster attached to an EMC VNX using FCoE. EMC PowerPath/VE has been installed on all hosts in the cluster for load balancing. The customer wants to issue PowerPath commands to all the hosts from a Remote Management Server. Which server deployment will meet the customer’s requirements?
A. A Virtual Server running RHEL5U2 64-bit
B. A Physical Host running Windows Server 2008
C. A Virtual Server running RHELU2 32-bit
D. A Virtual Appliance running RHELU2 64-bit
Correct Answer: A
QUESTION 44
A customer configures replication between two data movers for their VDM environment. The primary data mover has one 1 Gb copper ethernet port and the destination Data Mover has one 10 Gb optical network port. The customer completes a failover test and then remote clients report they are unable to access data. The customer requests your assistance. What is the most likely cause of the issue observed during failover test?
A. The interface speeds do not match on both Data Movers
B. The interface on the Data Movers have a Duplex mismatch
C. The interface names do not match on both Data Movers
D. The interface medium do not match between Data Movers
Correct Answer: C
QUESTION 45
A customer plans to place their SQL server transaction logs on an EMC VNX. The customer provides the following information about their SQL environment:
Database block size is 8 KB
Transaction log growth is 10 GB
Performance sample period is 1 hour
15K SAS drives rated at 180 I/O per second each
What is the minimum number of physical disks required to support the information provided by the customer?
A. Four disks configured as RAID 1/0 (2+2)
B. Five disks configured as RAID 5 (4+1)
C. Eight disks configured as RAID 1/0 (4+4)
D. Four disks configured as RAID 5 (3+1)
Correct Answer: A
QUESTION 46
You are implementing SAN Copy for Linux hosts connected to an EMC VNX using FC and iSCSI connectivity. There are eight queued sessions and multiple applications contending for bandwidth. Which configurable SAN Copy feature would you recommend?
A. Fibre Preferred
B. SP Reboot
C. LUN Trespass
D. admhost
Correct Answer: A
QUESTION 47
A corporation has configured highly available CIFS file systems with VDMs. Replication is configured from a primary site to a secondary site. During testing, the VDM and user file systems switchover successfully, but 30 minutes later Windows clients still cannot access their shares. What is the most likely cause of this problem?
A. VDMs are not configured on the secondary site.
B. The CIFS service is not running on the secondary site.
C. Source side file systems are not correctly sized.
D. Source side VDM Replication licensing is not enabled.
Correct Answer: B
QUESTION 48
A customer configures SnapView clones on their EMC VNX. A 256 GB clone is fractured for 10 minutes. The source LUN performs fifty 32 KB random writes per second. The clone resynchronization is configured to 6 MB/s. How long will it take to resynchronize the clone?
A. 10.5 minutes
B. 21.0 minutes
C. 35.0 minutes
D. 60.0 minutes
Correct Answer: A
QUESTION 49
A shipping company tracks shipments and customer data using an Oracle 10g environment with ASM. There are several EMC VNX LUNs presented to Oracle. What ASM feature will help avoid hotpots?
A. Spreads each file evenly across all disks within the disk group
B. Automatically provisions storage pools for a VNX array
C. Maintains database changes until it is written out to the redo log files on the disk
D. A set memory structure and a number of system processes
Correct Answer: A
QUESTION 50
A company has two locations and wants to implement a DR solution for their Exchange databases. The following requirements factor into their SLA:
-Multi-application support.
-Continuous replication with zero data loss.
-Minimal replication load on application host.
-Support a distance of 60 km.
Which DR solution meets the SLA requirements?
A. MirrorView/A
B. DAG
C. Sync-API
D. RecoverPoint/S
Correct Answer: D
QUESTION 51
A customer has implemented RecoverPoint/CDP to replicate their Oracle database environment. They must be able to recover the database in the event corruption occurs during replication. What action do you recommend to ensure a point-in-time recoverability of the database?
A. Back up the control file to trace
B. Copy the control file to a different LUN
C. Use SnapView snapshots to protect the control files
D. Copy the redo logs to a different LUN
Correct Answer: A
QUESTION 52
An ISP will provide infrastructure to clients as part of a cloud computing strategy. They are concerned about their storage requirements and supporting the many small customer environments targeted by their marketing campaign. Which feature of vSphere v5.0 would you discuss with them to address these concerns?
A. The shared datastores can now support up to 100,000 files and a single file extent of 64TB.
B. Each virtual machine will now be supported by a single swap file.
C. Volume alignments need only be performed at the ESXi level and are no longer required at the guest OS.
D. The number of SCSI disks has been increased to 128 local and 256 SAN devices.
Correct Answer: A
QUESTION 53
You review a Perfmon log that contains several days worth of data for a customer’s SQL Server database LUN. The log contains both read and write I/O per second collected at 3-minute intervals.
What method should you use to determine the correct I/O per second target number for calculating the number of RAID corrected spindles?
A. 75th percentile
B. Overall Peak
C. Overall Average
D. 90th percentile
Correct Answer: D
QUESTION 54
Click on the calculator icon in the upper left-hand corner.
A customer is deploying an Exchange 2010 environment on an EMC VNX. There will be 30,000 mailboxes distributed across mailbox servers within a DAG (database availability group) that maintains three database copies. Each user sends approximately 350 messages per day. The customer wants to use 600 GB 15K drives in a RAID 5 group. How many spindles are needed to support the performance required for this Exchange environment?
A. 197
B. 132
C. 158
D. 175
Correct Answer: A
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