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Hitachi HH0-220 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshooting and Maintenance | 15% | - Common hardware and software issues - Backup, recovery and best practices - Fault isolation and resolution |
| Topic 2: Installation and Initial Setup | 25% | - Firmware and software updates - Physical installation and cabling - Initial configuration and setup |
| Topic 3: Modular Storage Architecture | 20% | - RAID technologies and configuration - System architecture and connectivity - Hardware components and models |
| Topic 4: Storage Configuration and Provisioning | 25% | - Cache partitioning and optimization - Storage pools and LDEV creation - Host groups and LUN masking |
| Topic 5: Management and Monitoring | 15% | - Hitachi Command Suite usage - Performance monitoring and reporting - Alert configuration and log analysis |
Hitachi HDS Certified Implmenter-Modular Sample Questions:
Question 1
You have to replace a Cache Backup Battery online on a Hitachi Unified Storage system. Which two statements are correct? (Choose two.)
A. When the power is turned off during the replacement, user data on the cache that has not been written will be backed up to flash memory.
B. You should not perform any replacement while the green READY LED on the front of the Controller Box is blinking at high speed.
C. You must complete the replacement within a certain time frame.
D. You should only perform the replacement while the green READY LED on the front of the Controller Box is blinking at high speed.
Question 2
What are two advantages of the Memory Management Layer (MML) in Hitachi Unified Storage systems? (Choose two.)
A. LU quick and normal format speeds are increased.
B. The DM-LU size is automatically adjusted depending upon the number of copy pairs.
C. Metada for MML-supported functions is copied to cache only when needed for processing.
D. Copy-on-Write Snapshot and TrueCopy Extended Distance no longer require a data pool for differential data.
Question 3
Hitachi Dynamic Link Manager is being used with a Hitachi Unified Storage system in a multi-path environment with intense sequential I/Os. What are two recommended load-balancing algorithms? (Choose two.)
A. least blocks
B. extended round-robin
C. least I/Os
D. extended least I/Os
Question 4
Which two statements relating to the online firmware upgrade are true for Hitachi Unified Storage systems? (Choose two.)
A. Only the HUS model 150 storage system supports online firmware upgrades.
B. All hosts must have multiple paths to the HUS when performing online firmware upgrades.
C. Online firmware upgrades should not be scheduled for periods of high CPU workload.
D. Online firmware upgrades can only be done using Storage Navigator Modular 2.
Question 5
Which three operations are allowed after enabling security on a Hitachi Unified Storage system Fibre Channel (FC) port? (Choose three.)
A. Add multiple WWNs to one Host Group.
B. Add a LU to two different Host Groups behind two different ports.
C. Create a Host Group with two different host connection modes.
D. Create Host Groups with different host connection modes on the same FC port.
E. Add the same WWN to multiple Host Groups on the same FC port.
Solutions:
| Question 1 Answer: B,C | Question 2 Answer: C,D | Question 3 Answer: B,D | Question 4 Answer: C,D | Question 5 Answer: A,B,D |
