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Hitachi HAT-050 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: RAID and Data Protection | - Data redundancy and protection mechanisms - RAID levels and use cases |
| Topic 2: SAN and NAS Concepts | - Network Attached Storage (NAS) - Storage Area Networks (SAN) |
| Topic 3: Storage Systems Architecture | - Storage array components - Controllers and cache architecture |
| Topic 4: Storage Virtualization and Management | - Virtual storage technologies - Storage management tools and monitoring |
| Topic 5: Storage Fundamentals | - Data storage concepts and terminology - Block, file, and object storage overview |
Hitachi Data Systems Qualified Associate - Storage Concepts Sample Questions:
Question 1
Which type of tiered data requires a storage infrastructure that provides reasonable performance and availability and must recover within 8 hours of a failure?
A. mission-critical data
B. nearline data
C. offline data
D. business-critical data
Question 2
Why is parity information distributed across all disks in some RAID 5 implementations?
A. to allow for double disk failures
B. to reduce the cost of implementing a RAID solution
C. to create an exact data copy on two or more disks
D. to balance the workload across all disks
Question 3
Which three Fibre Channel topologies are used in SAN implementations? (choose three.)
A. logical
B. point-to-point
C. arbitrated loop
D. switched fabric
E. physical
Question 4
What are three common network terms? (Choose three.)
A. DAS
B. WAN
C. LAN
D. ATA
E. node
Question 5
Which two characteristics of storage system cache improve application performance? (choose two.)
A. It provides faster access to data than an HD
B. It is read-only so writes do not have to be acknowledged.
C. It has greater storage capacity than an HDD.
D. It permits high priority data to be permanently resident.
Solutions:
| Question 1 Answer: D | Question 2 Answer: D | Question 3 Answer: B,C,D | Question 4 Answer: B,C,E | Question 5 Answer: A,D |
