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Hitachi HAT-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Modular Storage Architecture | 20% | - Drive enclosures and connectivity - Controller and cache architecture - System software overview - Hardware components and specifications |
| Data Protection and Advanced Features | 10% | - Snapshot and cloning functions - Performance optimization - Replication and migration technologies |
| Configuration and Management | 25% | - System monitoring and reporting - RAID groups and logical volumes - Host connectivity and storage provisioning - User management and security |
| Installation and Setup | 25% | - Site preparation and requirements - Physical installation and cabling - Initial configuration and setup - Storage Navigator Modular 2 usage |
| Maintenance and Troubleshooting | 20% | - Backup and recovery operations - Component replacement procedures - Firmware and software updates - Error diagnosis and resolution |
Hitachi Data Systems Certified Professional - Modular storage installation Sample Questions:
1. What are three characteristics of the Hitachi Unified Storage systems active/active controller design?
(Choose three.)
A) The processor of Ctlr0 can access the Fibre Channel (FC) ports of Ctrl1.
B) When creating a LUN the default controller must be selected.
C) Workload is automatically balanced between controllers.
D) Non disruptive firmware upgrade is possible even if a host is connected by only one path.
E) SNM2 GUI is used to turn on active/active controller processing.
2. You have just allocated 10 LUNs on a Hitachi Unified Storage system to a HP-UX 11.i host. You now
need to verify that the host can see the new storage. Which utility should you run on the HPUX host?
A) cfgmgr
B) diskpart
C) devfsadm
D) ioscan
3. What must be installed on an AIX server prior to Hitachi Dynamic Link Manager Installation?
A) HACMP
B) MPXIO
C) Hitachi ODM
D) HTnM agent
4. Which performance feature is provided by the Hitachi Unified Storage systems controller architecture?
A) automatic cache segment resizing
B) automatic front-end port hardware load balancing
C) automatic front-end storage group load balancing
D) automatic controller load balancing
5. What is the correct procedure to replace a suspected SAS interface cable connected to the last drive box
(DBL) of a Hitachi Unified Storage system?
A) Using SNM2, disable the suspected SAS link, replace the cable and enable the SAS link.
B) Slide out the I/O module from the DBL, replace the cable and slide the I/O module back in.
C) Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.
D) Replace the suspected SAS interface cable by a new one.
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: D | Question # 5 Answer: B |





