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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Modular Storage Architecture | - Storage system components
|
| Installation Planning | - Site preparation
|
| Connectivity and Host Integration | - Front-end connectivity
|
| Data Protection and Performance | - Availability and optimization
|
| Management and Administration | - System management
|
| Storage Configuration | - Logical configuration
|
| Hardware Installation | - Physical deployment
|
| Troubleshooting | - Problem diagnosis
|
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
Question 1
You are implementing a Hitachi Unified Storage File Module cluster with a single SMU. How do you run
the smu-config script?
A. Connect a serial null-modem cable and login as supervisor.
B. Connect a serial null-modem cable and login as root.
C. Connect an Ethernet cable and login as root.
D. Connect an Ethernet cable and login as supervisor.
Question 2
Which pair of IP addresses is assigned to the Hitachi Unified Storage system maintenance LAN ports by
default?
A. 192.168.1.16 and 192.168.1.17
B. 10.1.1.16 and 10.1.1.17
C. 192.168.0.16 and 192.168.0.17
D. 10.0.0.16 and 10.0.0.17
Question 3
Hitachi Dynamic Link Manager is being used with a Hitachi Unified Storage system in a multi-path
environment with intense sequential I/Os. What are two recommended load-balancing algorithms?
(Choose two.)
A. extended round-robin
B. least blocks
C. least I/Os
D. extended least I/Os
Question 4
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. Least blocks
B. Least I/Os
C. Extended Round Robin
D. Extended Least blocks
Question 5
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. Depletion Alert
B. Over Provisioning Alert
C. Exceeding Alert
D. Early Alert
Solutions:
| Question 1 Answer: B | Question 2 Answer: D | Question 3 Answer: A,D | Question 4 Answer: B | Question 5 Answer: A,D |







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