Hitachi HAT-420 real exam prep : Hitachi Data Systems Certified Professional - Modular storage installation

  • Exam Code: HAT-420
  • Exam Name: Hitachi Data Systems Certified Professional - Modular storage installation
  • Updated: Aug 25, 2026
  • Q&As: 110 Questions and Answers

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Hitachi HAT-420 Exam Syllabus Topics:

SectionObjectives
Topic 1: Hardware Installation- Physical deployment
  • 1. Controller installation
  • 2. Drive installation
  • 3. Expansion unit installation
Topic 2: Connectivity and Host Integration- Front-end connectivity
  • 1. iSCSI and Ethernet connectivity
  • 2. Host mapping and zoning
  • 3. Fibre Channel configuration
Topic 3: Management and Administration- System management
  • 1. Monitoring and maintenance
  • 2. Management utilities
  • 3. Firmware and licensing
Topic 4: Data Protection and Performance- Availability and optimization
  • 1. Storage best practices
  • 2. Redundancy and failover
  • 3. Performance optimization
Topic 5: Storage Configuration- Logical configuration
  • 1. Storage pool creation
  • 2. Logical unit provisioning
  • 3. RAID configuration
Topic 6: Modular Storage Architecture- Storage system components
  • 1. Disk enclosures and connectivity
  • 2. Cache and memory concepts
  • 3. Controller architecture
Topic 7: Troubleshooting- Problem diagnosis
  • 1. Hardware fault identification
  • 2. System log analysis
  • 3. Connectivity troubleshooting
Topic 8: Installation Planning- Site preparation
  • 1. Power and environmental requirements
  • 2. Rack and cabling preparation
  • 3. Hardware verification

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

1. A customer will be implementing a Hitachi Unified Storage File Module two-node NAS cluster with one
SMU. How many power connections are necessary?

A) 5
B) 4
C) 6
D) 3


2. A customer wants to migrate data between two Hitachi Unified Storage systems using TrueCopy. What
are two requirements? (Choose two.)

A) The P-Vol and S-Vol size must be equal.
B) The DM-LU must be greater than 10GB.
C) There must be FC connectivity between the arrays.
D) A Command Device must be created.


3. What must be installed on an AIX server prior to Hitachi Dynamic Link Manager Installation?

A) MPXIO
B) Hitachi ODM
C) HACMP
D) HTnM agent


4. A customer wants to migrate Hitachi AMS2100 data to a newly acquired Hitachi Unified Storage (HUS)
system. Which statement about the migration is correct?

A) TrueCopy Extended Distance can be used for a non-disruptive migration between the AMS2100 and
the HUS.
B) TrueCopy between the AMS2100 and the HUS cannot be used.
C) TrueCopy between the AMS2100 and the HUS can be used.
D) Modular Volume Migration between the AMS2100 and the HUS can be used.


5. Which two statements accurately describe the Program Product functions available on Hitachi Unified
Storage (HUS) systems? (Choose two.)

A) Restricting access to a HUS Command Device is possible using Account Authentication.
B) The Tray Power Saving function does require a separate license key.
C) LUN resizing is a basic function in SNM2 and does not require a separate license key.
D) Hitachi Dynamic Link Manager is used to control the HUS active/active controller feature.


Solutions:

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

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