单项选择题

Which of the following server roles provides a common time to all computers？（）

A.NTP
B.SNMP
C.SMTP
D.RAS

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单项选择题

Which of the following BEST describes a virtualized server environment？（）

A. A physical server environment utilizing only RAM storage with no physical disk medium to enhance performance.
B. Multiple operating systems sharing the same physical hardware to leverage higher usage.
C. A distributed computing environment where many lower cost machines are combined to increase processing power and overall performance.
D. A single operating system using multiple physical hardware chassis to leverage higher availability.

单项选择题

Which of the following is the minimum number of drives required for a RAID 10 array？（）

A.3
B.4
C.5
D.10

单项选择题

Which of the following is a software layer that interacts between the virtualized operating system and the physical hardware？（）

A. System Resource Manager
B. Server BIOS
C. Guest Operating System
D. Hypervisor