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Hitachi HAT-420 Exam Syllabus Topics:

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

Question 1

What is the correct procedure to replace a suspected SAS interface cable connected to the last drive box
(DBL) of a Hitachi Unified Storage system?

A. Using SNM2, disable the suspected SAS link, replace the cable and enable the SAS link.
B. Slide out the I/O module from the DBL, replace the cable and slide the I/O module back in.
C. Replace the suspected SAS interface cable by a new one.
D. Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.

Question 2

You are upgrading a Hitachi Unified Storage (HUS) system with the File Module option. Which
combination is required to support this upgrade?

A. FC connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
B. 10GbE connectivity between the HUS and the File Module plus the Hitachi BOS M software bundle
C. FCoE connectivity between the HUS and the File Module plus the Hitachi BOS F software bundle
D. FC connectivity between the HUS and the File Module plus the Hitachi BOS N software bundle

Question 3

Which two Program Products reserve cache in a Hitachi Unified Storage system when they are installed,
even if disabled? (Choose two.)

A. Cache Partioning Manager
B. TrueCopy Extended
C. ShadowImage
D. TrueCopy

Question 4

Which two alerts does Hitachi Dynamic Provisioning issue when DP-Pool capacity usage thresholds are
exceeded on a Hitachi Unified Storage system? (Choose two.)

A. Early Alert
B. Depletion Alert
C. Exceeding Alert
D. Over Provisioning Alert

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

Solutions: