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

Hitachi HAT-420 Actual PDF
  • Exam Code: HAT-420
  • Exam Name: Hitachi Data Systems Certified Professional - Modular storage installation
  • Updated: Jul 27, 2026
  • Q & A: 110 Questions and Answers
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Hitachi HAT-420 Exam Syllabus Topics:

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

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

1. What are the two bitmap locations used by the Memory Management Layer during LU format in Hitachi
Unified Storage systems? (Choose two.)

A) swapped in and out of cache as needed
B) in the RAID group upon creation
C) SSD on the Cache Memory Adapter
D) in Cache Memory Adapter Master Partition 0


2. A customer wants to migrate their data from an existing AMS2500 to a newly acquired Hitachi Unified
Storage (HUS) system using TrueCopy Extended Distance (TCE) software. Which set of components is
required on the HUS to configure TCE?

A) Journal Volumes and a TCE license
B) a Cache Memory adapter and a TCE license
C) an HDP license and 50% more cache capacity
D) an HDP License and a TCE license


3. Which three access protocols are supported on the Hitachi Unified Storage File Module? (Choose three.)

A) NCP
B) iSCSI
C) CIFS
D) NFS
E) FCOE


4. A customer plans to start using Cache Partition Manager (CPM) on a Hitachi Unified Storage system.
Which two statements regarding the installation and configuration of this Program Product are correct?
(Choose two.)

A) Adding the CPM license key does not require rebooting the system.
B) Installation and configuration of CPM can be done online.
C) Configuring CPM requires a reboot.
D) Adding the CPM license key requires a reboot.


5. Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)

A) SNM2 allows you to change the IP address and port number used to communicate with the system.
B) SNM2 issues SNMP alerts for failed components within the system.
C) SNM2 uses out-of-band communication to administer the system and in-band communication to
manage replication.
D) SNM2 can be used to define the Command Devices and the Differential Management LUNs needed by
replication software.


Solutions:

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

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