Which Hard Drive Type Provides the Highest Performance? | CompTIA Server+ Exam Answer
Question
A technician is tasked with building a test server.
Which of the following hard drive types will provide the highest performance?
Answers
Explanations
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A. B. C. D.B.
The highest performance hard drive type among the options given is SAS (Serial Attached SCSI).
SCSI (Small Computer System Interface) is an older interface that provides fast data transfer rates and is commonly used in servers. However, SAS (Serial Attached SCSI) is a newer interface that is faster than SCSI and also provides better reliability and scalability. SAS drives use a smaller connector than SCSI drives, which makes it possible to fit more drives in a server chassis, thus increasing storage capacity.
SATA (Serial Advanced Technology Attachment) is another commonly used interface for hard drives. It is slower than SAS and is typically used for desktops and lower-end servers. SATA drives are cheaper than SAS drives, which makes them an attractive option for some server configurations.
iSCSI (Internet Small Computer System Interface) is a protocol that allows SCSI commands to be sent over a network. It is not a hard drive type, but rather a way of connecting to storage devices. iSCSI can be used with SAS, SATA, and other types of drives, but it does add some overhead to the data transfer process, which can slow down performance.
In summary, SAS drives offer the highest performance among the options given due to their faster data transfer rates, better reliability, and scalability compared to SCSI, SATA, and iSCSI.
