Which set of factors govern the overall performance of a hard disk drive?

• A.Seek time Rotational latency RAID level
• B.Seek time Rotational latency Bandwidth
• C.Seek time Rotational latency Data transfer rate
• D.Seek time Rotational latency I/O operations per second

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What is a characteristic of a scale-out NAS?
Response:

• A.Different file systems can be mixed on each node in a single cluster
• B.File system grows dynamically as nodes are added in the cluster
• C.Up to four file systems can be created across the cluster
• D.Distinct file systems are created on each node in the cluster

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What is an advantage of performing capacity monitoring in a storage infrastructure environment?
Response:

• A.Automatically identifying configuration changes to the storage infrastructure elements
• B.Rapidly identifying component failures that may lead to storage unavailability
• C.Efficiently tracking unauthorized access to the storage infrastructure elements
• D.Proactively preventing service outages due to the lack of storage space

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What functionality does the control layer provide in a software-defined networking architecture?

• A.Establishes communication between the infrastructure and interface layers correct
• B.Forwards data packets based on application layer requirements
• C.Defines network behavior through physical network device policies
• D.Extracts network information from the data plane and sends it to the application layer

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What is signified by the "variety" characteristic of big data?
Response:

• A.Meaning of the data changes constantly
• B.Data change rate affects its timely analysis
• C.Data is generated in different formats by numerous sources
• D.Varying data quality affects its reliability and accuracy

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