Hitachi
Code: HH0-050
Exam Name: Hitachi Data Systems
Storage Technology Exam
Question: 1
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Which three Fibre Channel topologies are used in SAN implementations? (choose three.)
A. arbitrated loop
B. physical
C. switched fabric
D. point-to-point
E. logical
Answer: A,C,D
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Question: 2
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What is a Host Bus Adaptor (HBA)?
A. A compact optical device that connects to switches and transmits and receives data.
B. A device that connects multiple computers together to form a network segment.
C. A non-volatile data storage device.
D. A Fibre Channel interface that connects a computer to a storage network.
Answer: D
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Question: 3
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What are two benefits of using snapshots as part of an in-system replication solution? (Choose two.)
A. Snapshots provide storage-efficient copies of the data.
B. Snapshots create a physical clone of the data.
C. Volumes are restored faster from snapshot copies.
D. Snapshots provide point-in-time data copies.
Answer: A,D
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Question: 4
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What are two characteristics of array-based asynchronous remote replication? (Choose two.)
A. It supports server performance under load.
B. It is installed and run on a server.
C. It can be implemented over a WAN.
D. It does not ensure data consistency.
Answer: A,C
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Question: 5
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When using IP to transfer data over a network, which protocol re-combines IP packets into the correct order to re-create the message sent from the source?
A. FCIP
B. iFCP
C. UDP
D. TCP
Answer: D
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Question: 6
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An online bank wants to improve their environmental credentials by reducing power consumption and heat output in their data center, but without affecting service levels. Which three strategies would they use to meet this requirement? (Choose three.)
A. Add more data storage.
B. Consolidate existing storage.
C. Reduce data center hotspots.
D. Implement virtualization strategies.
E. Migrate customer data to off-line storage.
Answer: B,C,D
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Question: 7
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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. business-critical data
C. nearline data
D. offline data
Answer: B
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Question: 8
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Which two features help reduce power consumption on a storage system? (Choose two.)
A. on-demand cache partitioning
B. ability to turn off HDDs when not accessed
C. adaptive dual power battery backup
D. dynamic fan speed adjustment
Answer: B,D
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Question: 9
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What is an advantage of cache partitioning?
A. dynamic reallocation of cache resource by performance criteria
B. optimized storage system performance
C. improved security against unauthorized administrative access
D. automated data copy to a secondary partition
Answer: B
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Question: 10
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A large healthcare company wants to implement an object store in their application. Which three are considered to be an object? (Choose three.)
A. a mirror copy of a data volume
B. an MRI Image file
C. a lab report in pdf format
D. a file services structure of active data
E. an ultrasound video file
Answer: B,C,E
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