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Practice questions and answers for a cnet 64 midterm exam, focusing on server-related topics. It covers common causes of hard disk failure, the bathtub curve, and different types of drive failures. The questions are designed to test understanding of server hardware and troubleshooting.
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CNET 64 Midterm Exams (SERVER+) sss 2025 Practice
The most common cause of hard disk failure is: a, Head Crash b. Electric Surge c. Electric Spike d. Data corruption — ANS a. Head Crash According to the bathtub curve, most drive failures a, Increase rapidly when they are the newest due to the “infant mortality" failure rate b. Deerease rapidly when they are the oldest duc to wear out failures c, Increase during the middle of the disks lifespan d, Tlave a constant failure rate in the middle of the disks lilespan — ANS-d, Ilave a constant failure rate in the middle of the disks lifespan A drive failure that is powered but shows no sign of function, makes a knocking noise as lhe motor Sails Lo spin, and makes a clicking sound as the heads search or initialize probably is experiencing what type of failure? a, Mechanical b, Logical c, Firmware d, Electrical — ANS-d. Electrical This type of RAID includes some hardware designed to increase performance and reduce system CPU overhead.