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Updated: Aug 28, 2026
Q & A: 110 Questions and Answers
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| Section | Weight | Objectives |
|---|---|---|
| Configuration and Management | 25% | - System monitoring and reporting - RAID groups and logical volumes - User management and security - Host connectivity and storage provisioning |
| Modular Storage Architecture | 20% | - System software overview - Controller and cache architecture - Hardware components and specifications - Drive enclosures and connectivity |
| Maintenance and Troubleshooting | 20% | - Error diagnosis and resolution - Backup and recovery operations - Component replacement procedures - Firmware and software updates |
| Data Protection and Advanced Features | 10% | - Replication and migration technologies - Performance optimization - Snapshot and cloning functions |
| Installation and Setup | 25% | - Site preparation and requirements - Physical installation and cabling - Storage Navigator Modular 2 usage - Initial configuration and setup |
Question 1
A manufacturing company wants to centrally manage all their multipath software using Hitachi Global Link
Manager (HGLM). Which two types of multipath software are supported? (Choose two.)
A. PowerPath
B. HDLM
C. SDD
D. VxDMP
Question 2
A customer uses TrueCopy and ShadowImage with Hitachi AMS2000 modular arrays. They are
interested in upgrading those systems to Hitachi Unified Storage (HUS). Which two benefits will the
customer have with HUS systems in this environment? (Choose two.)
A. The size of the DM-LU used for ShadowImage and TrueCopy will be reduced by about 50%.
B. The granularity of differential data being copied to the replication target has improved.
C. TrueCopy and ShadowImage will no longer require a DM-LU.
D. TrueCopy and ShadowImage will require less cache in the systems.
Question 3
A customer has a Hitachi Unified Storage (HUS) system model 110 configured with iSCSI I/O interface
boards. They now want to connect it to a FC-SAN and have purchased the FC-Option upgrade to do so.
Which two tasks must be performed on the HUS system? (Choose two.)
A. Install and enable the FC Expansion Board.
B. Set the HUS FC port topology as Point-to-Point.
C. Install and enable the FC-Option on the HUS.
D. Set the HUS FC port topology as Fabric.
Question 4
What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems?
(Choose two.)
A. The DM-LU size is automatically adjusted depending upon the number of copy pairs.
B. Metada for MML-supported functions is copied to cache only when needed for processing.
C. LU quick and normal format speeds are increased.
D. Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for
differential data.
Question 5
On a Hitachi Unified Storage system, which statement regarding Master Cache Partitions is correct?
A. They always exist if there is 2GB or more of cache memory installed per controller.
B. They always exist whether or not the Cache Partition ManagerLicensekey is installed.
C. There is always a Master Cache Partition 0 in controller 0 and in controller 1.
D. They do not exist until the Cache Partition ManagerLicensekey is installed.
Solutions:
| Question 1 Answer: B,D | Question 2 Answer: B,D | Question 3 Answer: B,C | Question 4 Answer: B,D | Question 5 Answer: B |
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