DAS provides an economically viable alternative to other storage networking solutions. Justify this statement.
Ans- DAS provides an economically viable alternative to other storage networking solutions as-
DAS configuration is simple and can be deployed easily and rapidly. •
Setup is managed using host-based tools, such as the host OS, which makes storage management tasks easy for small and medium enterprises. •
DAS is the simplest solution when compared to other storage networking models •
Requires fewer management tasks
Less hardware and software elements to set up and operate.
Why is SCSI performance superior to that of IDE/ATA? Explain the reasons from an architectural perspective.
Ans- SCSI is a set of standards used for connecting a peripheral device to a computer and transferring data
between them. Often, SCSI is used to connect hdds and tapes to a host. SCSI can also connect a wide
variety of other devices such as scanners and printers. And if we compare it with IDE/ATA then the
comparison will be like
Comparison of IDE/ATA with SCSI
Feat ure IDE/ATA SCSI
Speed 100, 133, 150 MB/s 320 MB/s •
Connectivity Internal Internal and external •
Moderate to high •
Performance Moderate to low
Ease of configuration High Low to moderate •
Maximum number of
Devices supported 2 16
Q3. Explain the concept of NAS. Discuss the File-sharing Protocols used for NAS.
Ans- NAS is a preferred storage solution that enables clients to share files quickly and...
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