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QUESTION 109
What is the best practice sizing guideline for back-end (DS) utilization on a two-engine VMAX3?
A. 40%
B. 50%
C. 60%
D. 70%
Answer: B
QUESTION 110
A customer has been using a VMAX3 array for the past three months. They now want to add additional capacity to this array. Which files does VMAX Sizer need to process this request?
A. IMPL BIN and License XML
B. BTP and SYMAPIDB BIN
C. DCF and IMPL BIN
D. License XML and SYMAPIDB BIN
Answer: A
QUESTION 111
A customer needs a new VMAX3 solution to include SRDF/A over GigE. You are in the process of sizing the VMAX3 array with VMAX Sizer. Which additional step is necessary to meet the requirements?
A. Define the constraints to include SRDF GigE ports before sizing the scenario.
B. Define the constraints to include SRDF GigE I/O modules before sizing the scenario.
C. Size with the default constraints and then perform a “What if Analysis” to include SRDF GigE ports.
D. Size with the default constraints, export the XML file, and then edit the XML file to include SRDF GigE I/O modules.
Answer: A
QUESTION 112
You are in the process of designing a VMAX3 solution with VMAX Sizer. Which parameters can be changed in a “What if Analysis”?
A. Number of Disks, Cache Size, or IOPS Growth %.
B. Type of Disks, Number of I/O Modules, or Cache Size.
C. Platform Type, Number of Ports, or Software Suites.
D. Number of Disks, RAID Levels, or IOPS Growth %.
Answer: A
QUESTION 113
You are in the process of sizing a new VMAX3 solution. One of the workloads will be replicated with TimeFinder SnapVX. Workload Details:
– Capacity = 10,000 GiB
– IOPS = 400
– Change Rate = 25%
– Mounted Snaps = 2
– Mounted Copy IOPS = 20
How much additional capacity will the VMAX Sizer account for with this workload due to SnapVX?
A. 2,000 GiB
B. 2,500 GiB
C. 3,000 GiB
D. 10,000 GiB
Answer: B
QUESTION 114
You are in the process of sizing a new VMAX3 solution. One of the workloads will be replicated with TimeFinder SnapVX. Workload Details:
– Capacity = 10,000 GiB
– IOPS = 400
– Change Rate = 25%
– Mounted Snaps = 2
– Mounted Copy IOPS = 20
How many additional IOPS will the VMAX Sizer account for with this workload due to SnapVX?
A. 20
B. 40
C. 50
D. 400
Answer: B
QUESTION 115
You need to design a VMAX3 eNAS solution with VMAX Sizer. Which parameters need to be specified in the eNAS Properties tab while creating the eNAS instance?
A. Number of Data Movers, I/O Modules per Data Mover, and Total Data Mover Capacity.
B. I/O Modules per Data Mover, eNAS Boot Disks and Log Space, and Total Data Mover Capacity.
C. Number of Data Movers, Capacity per Data Mover, and System Utilization Pattern.
D. eNAS Boot Disks and Log Space, Workload Type, and Skew and IOPS.
Answer: A
QUESTION 116
A customer is interested in migrating applications stored on EMC VNX arrays to a new VMAX3 array. You need to design the new VMAX3 array with VMAX Sizer. Which data should be imported into VMAX Sizer to complete the sizing?
A. MiTrend summary XML file for the VNX arrays.
B. MiTrend performance details XML file for the VNX arrays.
C. NAR data for the VNX arrays.
D. IOSTAT data from the hosts attached to the VNX arrays.
Answer: A
QUESTION 117
How can a TimeFinder SnapVX snapshot be terminated when there are linked targets in NoCopy mode?
A. Unlink the target and terminate.
B. Set the “Time to Live” on the linked targetsand terminate after they expire.
C. Relink the target or change the mode to Adaptive Copy Disk and terminate after the copy completes.
D. Re-set the generation number on the snapshot and terminate.
Answer: A
QUESTION 118
A TimeFinder SnapVX snapshot of source volumes has been linked to target volumes. Target volumes are accessed by a host and changes are made. These changes need to be copied back to the source volumes. Which mode should the target have been linked to enable a restore from them?
A. Copy Mode
B. NoCopy Mode
C. Copy-On-Write
D. Redirect-On-Write
Answer: A
QUESTION 119
A storage administrator has completed TimeFinder SnapVX testing. The administrator is unable to terminate the TimeFinder SnapVX snapshot of the test Storage Group. What advice should be provided to the administrator?
A. Check for linked targets.
B. Change the “Time to Live” setting.
C. Confirm there is available Reserved Capacity.
D. Issue the terminate command against the individual LUNs.
Answer: A
QUESTION 120
A storage administrator began taking nightly TimeFinder SnapVX snapshots of Oracle database LUNs 7 days ago. The administrator reports that the snapshots failed the previous night. What advice should be provided to the administrator?
A. Confirm there is available capacity in the Storage Resource Pool.
B. Update the Solutions Enabler database and re-run the snapshots.
C. Confirm the database was put in hot backup mode before the snapshot.
D. Link the last good snapshot to a target and restore the database LUNs.
Answer: A
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