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Hitachi HAT-420 Exam Syllabus Topics:

SectionObjectives
Data Protection and Performance- Availability and optimization
  • 1. Storage best practices
  • 2. Performance optimization
  • 3. Redundancy and failover
Management and Administration- System management
  • 1. Management utilities
  • 2. Monitoring and maintenance
  • 3. Firmware and licensing
Connectivity and Host Integration- Front-end connectivity
  • 1. Host mapping and zoning
  • 2. iSCSI and Ethernet connectivity
  • 3. Fibre Channel configuration
Troubleshooting- Problem diagnosis
  • 1. Connectivity troubleshooting
  • 2. System log analysis
  • 3. Hardware fault identification
Modular Storage Architecture- Storage system components
  • 1. Disk enclosures and connectivity
  • 2. Controller architecture
  • 3. Cache and memory concepts
Hardware Installation- Physical deployment
  • 1. Controller installation
  • 2. Expansion unit installation
  • 3. Drive installation
Storage Configuration- Logical configuration
  • 1. RAID configuration
  • 2. Storage pool creation
  • 3. Logical unit provisioning
Installation Planning- Site preparation
  • 1. Hardware verification
  • 2. Power and environmental requirements
  • 3. Rack and cabling preparation

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

Question 1

After opening a case with the Hitachi Data Systems technical support center, you have been asked to
collect error information. How do you send the collected data to the technical support center?

A. Upload to https://www.hds.com.
B. Attach it to an email to [email protected].
C. Upload to ftp://ftp.hds.com.
D. Upload to https://tuf.hds.com.


Question 2

After the removal of a failed disk drive on a Hitachi Unified Storage system, how long should you wait
before inserting a new drive?

A. no need to wait
B. more than 5 seconds
C. more than 20 seconds
D. more than 10 seconds


Question 3

You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two
statements are correct? (Choose two.)

A. When the power is turned off during the replacement, user data on the cache that has not been written
will be backed up to flash memory.
B. You must complete the replacement within a certain time frame.
C. You should only perform the replacement while the green READY LED on the front of the Controller
Box is blinking at high speed.
D. You should not perform any replacement while the green READY LED on the front of the Controller
Box is blinking at high speed.


Question 4

On which level can Host Group Security be enabled on a Hitachi Unified Storage system?

A. the FC port level
B. the iSCSI port level
C. the Host Group level
D. the individual LU level


Question 5

What is a key characteristic of the Modular Volume Migration feature on a Hitachi Unified Storage (HUS)
system?

A. It migrates volumes between HUS systems.
B. It migrates volumes within the same RAID group.
C. It migrates volumes within a HUS system.
D. It uses the Copy-on-Write Snapshot engine.


Solutions:

Question 1
Answer: D
Question 2
Answer: C
Question 3
Answer: B,D
Question 4
Answer: A
Question 5
Answer: C

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