Hitachi HAT-420 valid exam dumps : Hitachi Data Systems Certified Professional - Modular storage installation

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Hitachi HAT-420 Exam Syllabus Topics:

Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:

1. After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait
before inserting a new drive?

A) no need to wait
B) more than 20 seconds
C) more than 5 seconds
D) more than 10 seconds

2. A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What
are two requirements? (Choose two.)

A) A Command Device must be created.
B) There must be FC connectivity between the arrays.
C) The P-Vol and S-Vol size must be equal.
D) The DM-LU must be greater than 10GB.

3. Which two statements relating to LU configuration and management on the Hitachi Unified Storage
systems are correct? (Choose two.)

A) A RAID group cannot be deleted before all its LUs have been deleted.
B) A LU can be physically extended if there is space left in the RAID group.
C) It is possible to format a LU quicker by attaching it to both controllers.
D) It is possible to delete all RAID groups including all LUs on the system with one command.

4. Why will a server in an environment using persistent binding maintain a constant view of its target IDs
when rebooted?

A) Because persistent binding retains the target ID information.
B) Because the LU Management Service will manage the target IDs.
C) Because persistent binding will connect to the LU Manager and provide the target IDs.
D) Because the driver software remaps the SCSI target ID to the new WWNNs automatically.

5. You have set Extended Round Robin on a server with intensive sequential I/O profile. Which two benefits
result from implementing this algorithm? (Choose two.)

A) no tracks preloading on the system
B) efficient cache usage on the storage system
C) blocks held permanent in Read Cache
D) tracks preloaded to cache

Solutions: