Download EMC D-PVM-DS-23 Sample Questions [Oct-2024]
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NEW QUESTION # 16
When adding device pairs to an SRDF/Metro configuration using the -exempt option, what prevents a device pair from being added?
- A. R2 device is larger than the R1 device
- B. Source group and device pair are in SRDF/S mode
- C. R1 device is the source of a TimeFinder data copy
- D. Source group and device pair are in SRDF/Adaptive Copy mode
Answer: A
NEW QUESTION # 17
A data migration is being planned from a Hitachi to a PowerMax using Open Replicator.
Which flag is used to protect against SAN failure?
- A. Copy on Access
- B. Donor Update
- C. Hot Push
- D. Background Copy
Answer: B
NEW QUESTION # 18
An SRDF/S Consistency Group is created and enabled spanning two PowerMax arrays in a data center.
What is used to prevent multiple hosts from writing to the R1 devices at the same time?
- A. Embedded management
- B. RDF daemon
- C. Device bias
- D. Host-based software
Answer: D
NEW QUESTION # 19
A storage administrator is unable to terminate the TimeFinder SnapVX snapshot.
What action should be performed by the administrator?
- A. Verify that there are no linked targets or restore sessions
- B. Check if there is an available reserved capacity
- C. Run a terminate command for each individual LUN
- D. Modify the Time to Live setting
Answer: A
NEW QUESTION # 20
What is the best practice sizing guideline for front-end FA utilization on a single engine PowerMax array?
- A. 0.7
- B. 0.6
- C. 0.8
- D. 0.5
Answer: C
NEW QUESTION # 21
An architect is configuring BCSD to design SRDF/S between two new PowerMax arrays. The architect has completed the tasks for the local side of the solution, including RA Port Group, Replication Group, and site switch.
What is the correct order of steps the architect needs to take to complete the SRDF setup?
Answer:
Explanation:
NEW QUESTION # 22
By what percentage is SRDF throughput improved by SiRT?
- A. 40%
- B. 30%
- C. 20%
- D. 10%
Answer: C
NEW QUESTION # 23
A script has been designed to create a snapshot using the following command:
symsnapvx -sid <> -sg snapvx_sg establish -name secure_backup -secure -delta 3:23 -nop What is a consideration about the snapshot?
- A. Can be terminated only after 3 days and 23 hours
- B. Can be terminated using the -force flag
- C. Is permanent and cannot be terminated
- D. Cannot be terminated after 3 days and 23 hours
Answer: A
NEW QUESTION # 24
What is a requirement for single-host SRDF/Metro configurations?
- A. Witness array
- B. Unisphere running on the host
- C. Embedded management
- D. Multi-pathing software
Answer: D
NEW QUESTION # 25
When implementing SRDF/Metro with Array Witness, what is a requirement of the witness array?
- A. Minimum of two witness arrays
- B. vApp running on a VMware ESXi server
- C. Two RDF groups with source and target devices
- D. Empty RDF group from witness to source and target
Answer: B
NEW QUESTION # 26
At a disaster planning meeting, an architect is presented with the following facts by a client:
A Unix host is replicating storage from a Production PowerMax to a VMAX 250FX.
RDF pairs have been split with Production and DR hosts accessing their respective storage.
Invalid tracks have started to build against PowerMax and VMAX 250FX.
The client now wants to bring production back to PowerMax, discarding the VMAX 250FX updates while keeping the updates on the PowerMax.
What is the correct action to take?
- A. Resume
- B. Establish
- C. Failover
- D. Failback
Answer: D
NEW QUESTION # 27
A storage administrator uses Unisphere for PowerMax to provision new storage from a VMAX All Flash array.
Which Workload Type is recommended for a combination of small and large block I/O workloads?
- A. Optimized
- B. None
- C. OLTP
- D. DSS
Answer: A
NEW QUESTION # 28
A PowerMax customer has an existing Masking View for a large database environment. The parent Storage Group in this Masking View has three child Storage Groups with different Service Levels (SLs).
The customer has been experiencing some database performance issues and wants to set the SL to Platinum for all the devices.
When the storage administrator attempts to set the SL on the parent Storage Group, they receive an error and the operation fails.
What is the cause of the error?
- A. A child Storage Group already has the Platinum SL applied
- B. SLs cannot be set on parent Storage Groups
- C. There is insufficient capacity in the Storage Resource Pool
- D. Platinum SL is not available for Cascaded Storage Groups
Answer: B
NEW QUESTION # 29
A PowerMax parent Storage Group (SG) contains two child SGs: SG1 and SG2.
What is a valid Host I/O bandwidth limit setting for this configuration?
- A. Parent SG: 400
SG1: 500
SG2: NOLIMIT - B. Parent SG: 500
SG1: NOLIMIT
SG2: 1000 - C. Parent SG: 400
SG1: 500
SG2: 200 - D. Parent SG: 500
SG1: 500
SG2: 400
Answer: D
NEW QUESTION # 30
How many backups does each PowerMax SPS have, and what is the time duration to support cache during power failures in the data center?
- A. Two ten-minute backups
- B. One five-minute backup
- C. Two five-minute backups
- D. One ten-minute backup
Answer: A
NEW QUESTION # 31
An architect uses the following command to collect data from a host when designing a solution in BCSD:
iostat -d -x -t interval count >> hostname.iostat.date.txt
What does the -x flag in the command represent?
- A. XML format
- B. Exclude space characters
- C. Expanded format
- D. Extended format
Answer: D
NEW QUESTION # 32
Which PowerMax initially ordered configuration provides the fewest available slots for front-end I/O modules per engine?
- A. PowerMax 2000 single-engine
- B. PowerMax 8000 single-engine
- C. PowerMax 2000 dual-engine
- D. PowerMax 8000 multi-engine
Answer: A
NEW QUESTION # 33
A customer is planning to purchase a new array for a mixed Mainframe and Open Systems environment. The existing infrastructure includes 2 Gb FC switches for the Open Systems hosts.
Which system can be configured to support this configuration?
- A. PowerMax 2000
- B. VMAX All Flash 950
- C. VMAX All Flash 250
- D. PowerMax 8000
Answer: D
NEW QUESTION # 34
A customer has Open Systems, Mainframe, and IBM i systems in the data center.
Which arrays can be used to consolidate these independent systems into a single array?
- A. VMAX All Flash 250 and VMAX All Flash 950
- B. VMAX All Flash 950 and PowerMax 2000
- C. PowerMax 8000 and VMAX All Flash 950
- D. PowerMax 2000 and PowerMax 8000
Answer: C
NEW QUESTION # 35
A storage architect is demonstrating to a customer how they can register vCenter and ESXi servers, view all relevant storage related objects of an ESXi server, and troubleshoot storage performance.
Which system view in Unisphere can be used to do these things?
- A. vSphere
- B. VMware
- C. vCenter
- D. Hosts
Answer: B
NEW QUESTION # 36
A storage architect is looking for best practices to expand an existing two-Brick PowerMax 8000. They are planning to expand the PowerMax configuration to a four-Brick model for better performance.
What is a consideration?
- A. Cache size of the fourth Brick can be either 1 TB or 2 TB
- B. Only three different RAID configurations are supported
- C. The maximum number of drives is 96
- D. All Bricks must contain at least 512 GB of cache each
Answer: A
NEW QUESTION # 37
What is the best practice sizing guideline for front-end FA utilization on a two-engine PowerMax array?
- A. 0.6
- B. 0.7
- C. 0.5
- D. 0.8
Answer: B
NEW QUESTION # 38
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