Free DES-1121 Sample Questions — Specialist - Implementation Engineer, PowerMax and VMAX Family Solutions

An array has reached its capacity in the Storage Resource Pool (SRP). What is the function of the SRP Reserved Capacity?

• A. Accommodate new host writes
• B. Provide space for snapshot copies
• C. Accommodate SRDF/A delta sets
• D. Provide space for snapshot deltas

Which Unisphere for PowerMax client connection authentication type is irrevocable once it is selected?

• A. x.509 Common/Principal Name
• B. Windows AD Domain-based
• C. LDAP - SSL
• D. Multi-factor Authentication

Two RDF groups from two PowerMax arrays have been added to a Consistency Group. SRDF/A Multi-Session Consistency has been enabled for the Consistency Group. The RDF daemon has been started on a single host that has access to both the PowerMax arrays. What will happen if the host becomes unavailable?

• A. Cycle switching will stop
• B. SRDF pair state will become Partitioned
• C. RDF links will be suspended immediately
• D. SRDF mode will change to Adaptive Copy Disk

What is a minimum requirement for Dell EMC VSI 8.0 on a VMAX All Flash array?

• A. Unisphere 8.x
• B. 5977.1131.1131
• C. 5977.1125.1125
• D. Unisphere 9.x

What is a recommendation when using Open Replicator to migrate data from a supported third-party array to a VMAX3 array?

• A. Host I/O to the remote devices on the third-party array should be stopped for the duration of the migration
• B. Host I/O to the control devices on the VMAX3 array is allowed after the migration completes
• C. Host I/O to the remote devices on the third-party array can continue during the migration
• D. Control devices on the VMAX3 array must be set to Not Ready for the duration of the migration

An administrator wants to check the status of the Solutions Enabler Base daemon in a management host. What is the name of the Base daemon?

• A. storapid
• B. storsrmd
• C. storsrvd
• D. storstpd

What is the Deduplication Management Object (DMO) used for with PowerMax Deduplication?

• A. Identifies identical data patterns based on the Hash ID
• B. Inline process using the same data reduction module as the Adaptive Compression Engine
• C. Stores and manages pointers between front-end devices and a single instance of data stored on disk
• D. Representation of data in a deduplication relationship

A PowerMax systems administrator has created three storage groups with the diamond, gold, and silver service levels. How does the system ensure the service level response times are met during heavy workloads?

• A. By throttling the host front-end IOs
• B. Service levels are identical on All Flash systems
• C. By allocating more device cache slots to Diamond
• D. By throttling the back-end IOs

Which operation is used to perform Open Replicator migrations with minimal application down time?

• A. Hot pull
• B. Cold pull
• C. Hot push
• D. Cold push

A production PowerMax array has been configured to replicate to a disaster recovery (DR) array using SRDF Adaptive Copy mode. There are occasional bandwidth constraints on the network connecting the two arrays. These bandwidth constraints prevent the immediate replication of production data. Where does the new production data accumulate until it can be replicated to the array at the DR site?

• A. Local journal volumes
• B. Local array cache
• C. R1 device
• D. R2 device

Which port flag is required for auto-provisioning?

• A. SPC2
• B. SC3
• C. ACLX
• D. V

What would the RDF device and Link states be after an SRDF Update operation?

• A. R1=RW; Link=NR; R2=RW
• B. R1=RW; Link=RW; R2=WD
• C. R1=WD; Link=RW; R2=RW
• D. R1=WD; Link=NR; R2=RW

A PowerMax 8000 was initially ordered as a multi-engine system. How does this system differ from a PowerMax 8000 that was initially ordered as a single-engine even if it is upgraded to a multi-engine system at a later time?

• A. Each director has the compression/deduplication module in Slot 9
• B. Each director has one more NVMe Flash module
• C. Each director has one more Universal FE slot
• D. Each director has twice the backend connectivity

When using TimeFinder SnapVX, what is the maximum number of linked targets allowed per source?

• A. 1024
• B. 256
• C. 512
• D. 128

How does Solutions Enabler use Gatekeepers to pass commands to the PowerMax array?

• A. Automatically creates the Gatekeeper and locks the device. Processes the system commands; unlocks and deletes the Gatekeeper
• B. Automatically creates the Gatekeeper and unlocks the device. Processes the system commands; locks and deletes the Gatekeeper
• C. Obtains the Gatekeeper and locks the device. Processes the system commands and unlocks the device
• D. Obtains the Gatekeeper and unlocks the device. Processes the system commands and locks the device

What is the performance metric for the read-to-write ratio of workloads on a specific logical block address?

• A. Prefetch
• B. Workload clustering
• C. Workload type
• D. Data spanning

When creating SRDF groups, what is always identical on both the participating arrays?

• A. SRDF Directors
• B. SRDF group number
• C. Name of the SRDF group
• D. Port speed

Data is written on a source track and the original data needs to be preserved for a snapshot. Which technology does TimeFinder SnapVX use to prevent a new write from being demoted to a lower tier?

• A. NoCopy mode
• B. Copy mode
• C. Redirect-on-write
• D. Copy-on-write

How is the Host I/O served after running the Non-Disruptive Migration cutover command?

• A. Host I/O sent to the new storage system is replicated to the old storage system using SRDF Pass-Through
• B. Host I/O is sent only to the old storage system and replicated to the new storage system using SRDF/S
• C. Host I/O is sent only to the new storage system and replicated to the old storage system using SRDF/S
• D. Host I/O sent to the old storage system is replicated to the new storage system using SRDF Pass-Through

Which product(s) support(s) only 7+1 in RAID 5 configurations?

• A. VMAX3
• B. VMAX All Flash
• C. VMAX All Flash and PowerMax 8000
• D. VMAX All Flash and PowerMax 2000