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Hitachi HAT-420 Exam Syllabus Topics:

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

Question 1

A customer would like to add the File Module option to their Hitachi Unified Storage (HUS) system to
provide files services. Which three types of connectivity are required from the File Module? (Choose
three.)

A. FC to HUS
B. IP to Servers
C. IP to SMU
D. FC to Servers
E. FC to SMU

Question 2

A customer has multiple cache partitions defined on a Hitachi Unified Storage system. They would like to
change one of the partitions characteristics. Which three settings can be modified? (Choose three.)

A. owning controller
B. segment size
C. partition number
D. stripe size
E. cache size

Question 3

What describes the characteristics of external backup solutions supported by the Hitachi Unified Storage
System (HUS) File Module option?

A. The HUS File Module uses Network Data Management Protocol (NDMP).
B. The HUS File Module relies on the User Datagram Protocol (UDP) with CRC enabled.
C. The HUS File Module only backs up to direct attached tape drives.
D. The HUS File Module uses file system snapshot technology.

Question 4

What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems?
(Choose two.)

A. The DM-LU size is automatically adjusted depending upon the number of copy pairs.
B. Metada for MML-supported functions is copied to cache only when needed for processing.
C. LU quick and normal format speeds are increased.
D. Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.

Question 5

What are two characteristics of the active/active architecture on the Hitachi Unified Storage (HUS)
systems? (Choose two.)

A. Firmware upgrades are non-disruptive even with one path from a host.
B. Controller workload balancing is managed by the HUS system.
C. Multiple ports from the same controller are required to support the active/active feature.
D. HDLM needs to be used to benefit from the active/active feature.

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