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Hitachi HAT-050 Exam Syllabus Topics:

Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:

Question 1

Which three parameters will affect the read/write performance of an HDD? (choose three.)

A. seek time
B. spindle speed
C. start-up time
D. number of cylinders
E. data transfer time

Question 2

How does a switch enable better network performance than a hub?

A. by identifying the source of a data packet
B. by delivering each data packet to all devices on the network
C. by connecting two networks together
D. by delivering each data packet only to the intended device

Question 3

A customer needs to identify performance bottlenecks in their FC SAN. Using performance monitoring software, what should be investigated first?

A. file system usage
B. buffer credits values
C. database system global area
D. storage system cache write pending rates

Question 4

Which two characteristics of storage system cache improve application performance? (choose two.)

A. It provides faster access to data than an HD
B. It is read-only so writes do not have to be acknowledged.
C. It permits high priority data to be permanently resident.
D. It has greater storage capacity than an HDD.

Question 5

What are the two ways a storage system implements virtualization? (Choose two.)

A. out-of-band
B. cascaded
C. cross-band
D. in-band

Solutions: