1. Which logical structure combines storage devices into a single unit that operates independently of network servers? Select one: A. Database. B. Storage or disk array. C. Data array. D. iSCSI chain. 2. What does the acronym HBA stand for? Select one: A. ITierarchical Binary Array. B. Hierarchical Bus Adapter. C. Host Bus Adapter. D. Host Base Algorithm. 3. Which tool should be used to test server power supplies? Select one: A. TDR. B. Multimeter. C. OTDR. D. Compressed air. 4. The information needed by the boot process about a hard disk partition is found in which data block? Sclect onc: A. Filesystem. B. Registry. C. Disk buffer. D. MBR. 5. Which troubleshooting step involves making only a single change at a time? Select one: A. Test the theory. B. Implement the solution. C. Identify the problem. D. Fstablish a theory of probable cause