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Hitachi HAT-050 Exam Syllabus Topics:

Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:

1. A customer is comparing the benefits of synchronous and asynchronous replication for a two data center replication strategy. They decide to implement a synchronous solution. Why is this a correct decision?

A) It provides journaling capabilities.
B) It provides the best data currency.
C) It incurs the least propagation delays over long distances.
D) It gives the best protection against regional disasters.

2. Which backup and recovery factor does RTO represent?

A) RTO measures productivity lost in the event of an outage.
B) RTO measures how long it takes to resume essential operations.
C) RTO measures loss of production permissible when resuming after a disruption.
D) RTO measures the financial loss incurred due to an outage.

3. Which method of NAS implementation combines a front-end file server and a back-end storage system in a single unit?

A) NAS appliance
B) NAS switch
C) NAS gateway
D) NAS blade

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

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

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

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

Solutions: