Hitachi HAT-420 Exam Collection - Hitachi Data Systems Certified Professional - Modular storage installation

Updated: Jul 22, 2026
Q & A: 110 Questions and Answers

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Hitachi HAT-420 Exam Syllabus Topics:

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

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

1. Why will a server in an environment using persistent binding maintain a constant view of its target IDs
when rebooted?

A) Because the LU Management Service will manage the target IDs.
B) Because the driver software remaps the SCSI target ID to the new WWNNs automatically.
C) Because persistent binding will connect to the LU Manager and provide the target IDs.
D) Because persistent binding retains the target ID information.


2. You want to add an account for a new storage administrator on a Hitachi Unified Storage system using
Storage Navigator Modular 2. Which Account Authentication role must you have to be able to perform this
task?

A) Authentication Administrator (View and Modify)
B) Account Administrator (View and Modify)
C) Storage Administrator (View and Modify)
D) Security Administrator (View and Modify)


3. A customer would like to deploy Hitachi Global Link Manager (HGLM) to monitor for path errors on their
SAN hosts running Hitachi Dynamic Link Manager (HDLM). Which method is used by the host to alert the
HGLM server?

A) SNMP
B) SIM
C) SMTP
D) SMS


4. A customer has received a Hitachi Dynamic Provisioning Early Alert warning by e-mail indicating that the
default threshold has been reached on a Hitachi Unified Storage (HUS) system. What does this warning
indicate?

A) The HUS has automatically added another free RAID Group to the DP pool.
B) DP-Vols have used over 40% of the DP pool capacity.
C) The HUS has projected that the DP pool will be used up within 24 hours.
D) DP-Vols are provisioned over 200% of the DP pool capacity.


5. You must install Hitachi Dynamic Link Manager (HDLM) on a customer's server but you are not sure if the
server HBA types and versions are supported. Which two actions would help you find this information?
(Choose two.)

A) Check the HDLM Concepts and Planning Guide.
B) Check the HDLM release notes.
C) Call the HDS Customer Support Center.
D) Access the HiFire Web site to verify the configuration.


Solutions:

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

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