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Hitachi HAT-050 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Business Challenges | - Energy-Efficient Storage Implementations - Storage Demands and Infrastructure Challenges |
| Topic 2: Introduction to Data Storage | - Types of Data - Storage System View of Data |
| Topic 3: Storage System Administration | - Management Operations |
| Topic 4: Storage Networking and Security | - Networking Components and Topologies - SAN and NAS Architectures |
| Topic 5: Storage Components and Technologies | - RAID Technologies - Major Components of Storage Systems |
| Topic 6: Virtualization of Storage Systems | - Storage Virtualization Techniques - Tiered-Storage and Thin Provisioning |
| Topic 7: Performance Tuning and Optimization | - Performance Concepts and Monitoring |
| Topic 8: Business Continuity and Replication | - Remote Replication and Strategies - Data Backup and Replication Concepts |
| Topic 9: Archiving and Metadata | - Files, Objects, and Metadata - Archiving Solutions and Strategies |
Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:
1. What are two advantages of implementing a thin provisioning storage solution? (Choose two.)
A) Large volume performance is increased because each parity group has a unique workload.
B) Striping data across many spindles optimizes back-end performance.
C) Provisioning storage from a virtual pool improves storage utilization.
D) It enables the logical partitioning of ports, cache and disks (parity groups).
2. Which three RAID levels provide redundancy? (Choose three.)
A) RAID 0
B) RAID 1
C) RAID 0 + 1
D) RAID 0 + 0
E) RAID 1 + 0
3. A customer needs to identify performance bottlenecks in their FC SAN. Using performance monitoring software, what should be investigated first?
A) buffer credits values
B) database system global area
C) file system usage
D) storage system cache write pending rates
4. You are implementing a zone containing ports 1, 3, 5 and 7 on a switch. Which type of zoning are you implementing?
A) WWN zoning
B) LUN masking
C) hard zoning
D) soft zoning
5. A customer is comparing the benefits of synchronous and asynchronous replication for a two data center replication strategy. They decide to implement a synchronous solution. Why is this a correct decision?
A) It provides the best data currency.
B) It provides journaling capabilities.
C) It gives the best protection against regional disasters.
D) It incurs the least propagation delays over long distances.
Solutions:
| Question # 1 Answer: B,C | Question # 2 Answer: B,C,E | Question # 3 Answer: A | Question # 4 Answer: C | Question # 5 Answer: A |
