Symmetrix Solutions Specialist Exam for Storage Administrators v7.0 (E20-517)

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Total 179 questions

A customer's production application uses 10 servers and 40 devices E ach of the servers accesses four production devices. A co current SRDF (SRDF-/S and SRDF/A1) solution has been proposed for application. All the production devices will be on the same symmetrix.
What is THE MINIMUM number of RDF groups that have to be configured in the source
Symmetrix for this solution?

  • A. 1
  • B. 2
  • C. 4
  • D. 10


Answer : C

Which of these RAID configurations offers the best protection against drive failures?

  • A. RAID 5(7+1)
  • B. RAID 1
  • C. RAID 5 (3+1)
  • D. RAID 6 (6+21)


Answer : D

An SRDF/A session is active, and the device pairs are in a consistent state. What will happen if there is a temporary loss of all links?

  • A. Devices will go into a Partitioned state
  • B. RPO will increase
  • C. Devices will go into Synchronous mode
  • D. SRDF/A will drop


Answer : D

Which statement describes the process when a Timefinder/mirror full restore is initiated for a BCV pair?

  • A. The changed content of the standard device is copied to the BCV device.
  • B. The changed content of the BCV device is copied to the standard device
  • C. The entire content of the standard device is copied to the BCV device.
  • D. The entire content of the BCV device is copied to the standard device.


Answer : D

What is the maximum number of symmetrix V-Max initiator groups that can be associated with an initiator?

  • A. 1
  • B. 4
  • C. 8
  • D. 16


Answer : A

After creating and then activating a clone session, which process is used to satisfy a read requested to the clone target for a protected track?

  • A. The protected track is written from the target device and then presented to secondary host.
  • B. The protected track is copied from the source to the target and then presented to the secondary host.
  • C. The protected track is copied from the target to the source and then presented to the primary host.
  • D. The protected track is read from the source device and presented to the secondary host.


Answer : B

Which Open Replicator operations can be incremental?

  • A. Hot Push and Cold Push
  • B. Hot Push and Hot Pull
  • C. Hot Pull and Cold Push
  • D. Hot Pull and Cold Pull


Answer : A

Which lock(s) will be taken when a device is being mapped to a Fibre Channel director on a
Symmetrix VMAX array?

  • A. Front-end device and director locks
  • B. Configuration lock
  • C. Back-end device lock
  • D. Front-end device and back-end device locks


Answer : A

A Symmetrix user has created a TimeFinder/Clone session. Afterwards the user tries to start a TimeFinder/Snap session from the clone target. However, the operation fails.
What is the reason for this failure?

  • A. Clone session must be in a "Copied" state
  • B. Clone session must be in the "Restored" state
  • C. Clone session must be in the "Split" state
  • D. Clone session has to be created with the "-precopy" option


Answer : A

An SRDF/A session is active with Transmit Idle enabled. The device pairs are in a consistent state. What will happen if there is a temporary loss of all links?

  • A. RPO will increase
  • B. RTO will increase
  • C. Devices will go into a "Synchronous" mode
  • D. Devices will go into a "Partitioned" state


Answer : A

The storage on a Symmetrix VMAX is divided into four static tiers:
-> TierA contains RAID 5 (3+1) Enterprise Flash Drives (EFDs)
-> TierB contains 2-Way-Mir 15K RPM Fibre Channel drives
-> TierC contains RAID 5 (7+1) 10K RPM Fibre Channel drives
-> TierD contains RAID 6 (6+2) SATA drives
Which is a valid FAST policy?

  • A. 10% TierA, 40% TierB, 20% TierC, 30% TierD
  • B. 10% TierA, 50% TierB, 20% TierC
  • C. 15% TierA, 50% TierB, 50% TierD
  • D. 20% TierA, 30% TierB, 30% TierC, 30% TierD


Answer : C

A Symmetrix user has activated a TimeFinder/Snap session from a clone target.
Afterwards the user wants to recreate the clone session. However, the command fails.
What is the reason for the failure?

  • A. Only termination of the clone session is allowed
  • B. Clone has to be split first
  • C. Clone has to be recreated first
  • D. Clone target is a thin device


Answer : A

How much data is moved during a VLUN VP Migration of a 500 GB virtual LUN, 80% pre- allocated, and containing 382 GB of user data?

  • A. 382 GB
  • B. 394 GB
  • C. 400 GB
  • D. 500 GB


Answer : A

A customer is trying to create a FAST policy for automated tier management. They create a set of six tiers for their new Symmetrix VMAX. When the customer tries to build a policy with six tiers of storage, it fails.
What is the maximum number of tiers that can be included in a policy?

  • A. 2
  • B. 3
  • C. 4
  • D. 5


Answer : B

Which two Timefinder/Clone actions are initiated by performing a symclone establish operation?

  • A. Create and terminate
  • B. Activate and restore
  • C. Create and activate
  • D. Re-recreate and terminate


Answer : C

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Total 179 questions