SK0-005 Question #7: Real Exam Question with Answer & Explanation

The correct answer is A: SAS SSD. For a high-performance financial application, SAS SSDs are the most suitable disk type due to their superior speed, reliability, and enterprise-grade features.

Server hardware installation and management

Question

An administrator is configuring a server that will host a high-performance financial application. Which of the following disk types will serve this purpose?

Options

ASAS SSD
BSATA SSD
CSAS drive with 10000rpm
DSATA drive with 15000rpm

Explanation

For a high-performance financial application, SAS SSDs are the most suitable disk type due to their superior speed, reliability, and enterprise-grade features.

Common mistakes.

B. SATA SSDs are fast but typically offer lower performance (IOPS/throughput) and fewer enterprise features compared to SAS SSDs, making them less suitable for the most demanding financial applications.
C. A SAS HDD with 10000rpm is an older technology that is significantly slower in terms of IOPS and latency compared to any SSD, failing to meet the "high-performance" requirement.
D. A SATA HDD with 15000rpm is an older technology that, despite its high rotational speed for an HDD, is still vastly inferior to SSDs in terms of IOPS and latency, and SATA generally has lower enterprise capabilities than SAS.

Concept tested. Disk drive types for high-performance applications

Reference. https://learn.microsoft.com/en-us/windows-server/storage/disk-management/understanding-disk-sectors

Topics

#Server storage#SSD technology#SAS interface#Performance optimization

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