Hitachi
Code: HAT-050
Exam Name: Hitachi Data Systems
Qualified Associate – Storage Concepts
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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
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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.
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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.
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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.
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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
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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.
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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
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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
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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
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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
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Answer: B,C,E
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