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Hitachi HAT-420 Exam Syllabus Topics:

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

1. A customer has identified a performance bottleneck with Online Transaction Processing (OLTP)
production host LUNs. The performance improvement plan includes a change to the Hitachi Dynamic Link
Manager load balancing algorithm which is currently set to Round Robin. Which setting would you
recommend?

A) Extended Round Robin
B) Least I/Os
C) Extended Least blocks
D) Least blocks

2. Which module is unique to the Hitachi Unified Storage (HUS) model 150?

A) I/O Module for host interface options
B) Battery Module to increase backup duration
C) SSD Module to support cache backup
D) Cache Module to expand memory

3. What are two ways to restrict access to storage through a Fabric? (Choose two.)

A) Useport security on the switch(es)
B) Use SNMP
C) Use zoning
D) Use Host Group security

4. 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 Servers
B) IP to SMU
C) IP to Servers
D) FC to HUS
E) FC to SMU

5. Which two features make use of the Memory Management Layer in a Hitachi Unified Storage system?
(Choose two.)

A) ShadowImage
B) Normal Format
C) Cache Residency
D) Quick Format

Solutions: