Hitachi Hitachi Data Systems Certification HAT-420

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

1. What does the root account on a Hitachi Unified Storage system support by default?

A) Account and Storage management - view and modify
B) Account management - view and modify
C) Storage management - view and modify
D) Security management - view and modify

2. On a Hitachi Unified Storage system, which statement regarding Master Cache Partitions is correct?

A) They always exist whether or not the Cache Partition ManagerLicensekey is installed.
B) They always exist if there is 2GB or more of cache memory installed per controller.
C) There is always a Master Cache Partition 0 in controller 0 and in controller 1.
D) They do not exist until the Cache Partition ManagerLicensekey is installed.

3. A customer has identified a performance bottleneck with Online Transaction Processing (OLTP)
production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link
Manager load balancing algorithm which is currently set to Round Robin. Which setting would you
recommend?

A) Extended Round Robin
B) Extended Least blocks
C) Least blocks
D) Least I/Os

4. Which two operations can be performed with the Web utility on a Hitachi Unified Storage system?
(Choose two.)

A) Perform an online microcode update.
B) Install license keys.
C) Take a simple trace.
D) Perform an offline microcode update.

5. You want to add an account for a new storage administrator on a Hitachi Unified Storage system using
Storage Navigator Modular 2. Which Account Authentication role must you have to be able to perform this
task?

A) Storage Administrator (View and Modify)
B) Authentication Administrator (View and Modify)
C) Account Administrator (View and Modify)
D) Security Administrator (View and Modify)

Solutions:

Question # 1 Answer: B

Question # 2 Answer: A

Question # 3 Answer: D

Question # 4 Answer: C,D

Question # 5 Answer: C