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Hitachi HAT-050 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Storage Architecture & Components | 20% | - Disk types and interfaces - Major storage system components - RAID levels and technologies |
| File, Content & System Management | 10% | - Archiving strategies - File and object storage concepts - Basic storage administration |
| Storage Virtualization | 15% | - Tiered storage - Controller-based virtualization - Thin provisioning - Virtualization techniques |
| Business Continuity & Replication | 15% | - In-system replication - Remote replication techniques - Backup and recovery concepts - Disaster recovery strategies |
| Introduction to Data Storage | 15% | - Types of data - IT infrastructure challenges - Storage system view of data |
| Performance & Optimization | 5% | - Performance metrics - Monitoring and tuning |
| Storage Networking | 20% | - Fibre Channel, iSCSI, and FCoE - SAN architecture and protocols - Network components and topologies - NAS architecture and access methods |
Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:
What are two advantages of data mirroring in a RAID implementation? (Choose two.)
- A. It is the least expensive way to implement RAID.
- B. It allows data recovery if a disk failure occurs.
- C. It provides increased capacity.
- D. It provides faster random write performance.
Correct Answer: B,D 🗳️
Which two cache partition management functions would a storage manager perform to improve storage performance? (Choose two.)
- A. Dedicate storage resources to certain applications.
- B. Duplicate storage resources within cache.
- C. Virtualize heterogeneous storage resources.
- D. Adjust storage resources in response to business changes.
Correct Answer: A,D 🗳️
A customer has a large number of high performance database servers with DAS. They are concerned about isolated data and would also like to re-assign unused storage to avoid additional expenditure and to minimize unexpected loss of access to data. Which solution satisfies the requirements?
- A. Add a NAS option to the storage and deliver data using file services.
- B. Attach all servers and storage to redundant SAN fabrics.
- C. Implement a DAS RAID 5 solution for the database servers.
- D. Attach all servers directly to their storage.
Correct Answer: B 🗳️
What are two reasons why the PATA HDD interface connector has been replaced by the SATA connector type? (Choose two.)
- A. SATA provides faster data transfer rates.
- B. SATA is fiber optic only.
- C. SATA has parallel signaling technology.
- D. SATA is hot-swappable.
Correct Answer: A,D 🗳️
A customer has some storage requirements for a new application.
Their index data will require the highest level of performance while using very little capacity.
Their archive logs will require high capacity with very low performance requirements.
Which two storage allocations should you recommend for this new application? (Choose two.)
- A. Index data on SAS.
- B. Archive logs on SATA.
- C. Archive logs on SSD.
- D. Index data on SSD.
Correct Answer: B,D 🗳️
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