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Hitachi HAT-420 Exam Syllabus Topics:

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

1. What are the two bitmap locations used by the Memory Management Layer during LU format in Hitachi
Unified Storage systems? (Choose two.)

A) in the RAID group upon creation
B) swapped in and out of cache as needed
C) in Cache Memory Adapter Master Partition 0
D) SSD on the Cache Memory Adapter

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

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

3. Which three parameters must be set when adding a Cache Partition on a Hitachi Unified Storage system?
(Choose three.)

A) Controller
B) Logical Unit
C) Segment Size
D) Raid Group
E) Cache Size

4. What allows firmware to be updated non-disruptively on the Hitachi Unified Storage systems?

A) Firmware updates are performed in less than the host I/O timeout value.
B) Firmware updates only affect the first five drives and no controller reboot is required.
C) Host connectivity to both controllers established using multi-pathing software.
D) While one controller is rebooting, the other handles all host operations.

5. 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.

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