Updated: Sep 01, 2026
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| Certification Vendor: | Hitachi Data Systems (Hitachi Vantara) |
|---|---|
| Exam Name: | Hitachi Data Systems Implementer - Modular |
| Exam Number: | HH0-220 |
| Related Certifications: | Hitachi Data Systems Storage Architect Hitachi Data Systems Implementer - File Services Hitachi Data Systems Storage Foundations |
| Exam Duration: | 60-90 |
| Real Exam Qty: | 109-185 |
| Available Languages: | English |
| Exam Format: | Multiple Choice Questions (MCQ) |
| Recommended Training: | Hitachi Vantara Training & Certification |
| Exam Registration: | Hitachi Vantara Certification Program Kryterion Webassessor Registration |
| Sample Questions: | Hitachi HH0-220 Sample Questions |
| Exam Way: | Computer-based exam (typically delivered via Kryterion Webassessor platform, online proctored or test center depending on region) |
| Pre Condition: | Basic knowledge of enterprise storage systems and Hitachi Data Systems Storage Foundations or equivalent experience is recommended. |
| Official Syllabus URL: | https://www.hitachivantara.com |
| Section | Objectives |
|---|---|
| Installation, Maintenance and Troubleshooting | - Cluster Configuration and SMU Setup - Failure Recovery and Diagnostics - Hardware Replacement Procedures |
| Storage Security and Access Control | - Host Group Security - Port-level and LUN-level Access Control |
| Host Connectivity and Configuration | - Fibre Channel and iSCSI Configuration - Zoning and Host Group Configuration - LUN Mapping and Presentation |
| Hitachi Storage Architecture & Components | - Controllers, Cache and Disk Subsystems - Back-end Connectivity Technologies - Unified Storage System Architecture |
| Performance Management and Optimization | - Dynamic Link Manager (HDLM) Tuning - I/O Performance Troubleshooting - Load Balancing Algorithms |
Question 1
What are two characteristics of the Modular Volume Migration feature? (Choose two.)
A. It can be managed by RAID Manager/CCI.
B. It can be managed by Storage Navigator Modular 2 GUI.
C. It requires Copy-on-Write to be enabled on the array.
D. It formats the source LU when migration is complete.
Question 2
After opening a case with the Hitachi Data Systems technical support center, you have been asked to collect error information. How do you send the collected data to the technical support center?
A. Upload to https://www.hds.com.
B. Upload to https://tuf.hds.com.
C. Upload to ftp://ftp.hds.com.
D. Attach it to an email to [email protected].
Question 3
You are installing the latest release of Hitachi Device Manager and Tuning Manager on different servers to support your Hitachi Unified Storage (HUS) environment. Which two statements are correct in regards to establishing communication between servers? (Choose two.)
A. The servers use IPv4 protocol to communicate.
B. The servers use a heartbeat poll over a dedicated management IP link.
C. The servers' system clocks must be synchronized with less than 5 minutes difference.
D. The servers communicate in-band over FC connections to the HUS.
Question 4
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. Slide out the I/O module from the DBL, replace the cable and slide the I/O module back in.
B. Using the WEB tool, disable the suspected SAS link, replace the cable and enable the SAS link.
C. Replace the suspected SAS interface cable by a new one.
D. Using SNM2, disable the suspected SAS link, replace the cable and enable the SAS link.
Question 5
You have just allocated four 3TB LUNs from a Hitachi Unified Storage System to a set of ESX 4.x servers. The VMware administrator can see volumes that are assigned to the servers from an older storage array, but not the volumes you have just allocated. What is the most likely cause?
A. ESX 4.x servers cannot recognize volumes that are 2TB or larger.
B. This a newer storage array with an older version of ESX so the HBA drivers need to be updated.
C. The rescan function in VMware is not working, so both servers need to be rebooted.
D. The FC switch ports need to be disabled/enabled to force the HBAs to re-login to the fabric.
Solutions:
| Question 1 Answer: A,B | Question 2 Answer: B | Question 3 Answer: A,C | Question 4 Answer: A | Question 5 Answer: A |
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