单项选择题
Which of the following is an advantage of using a KVM with multiple servers？（）
A.Eliminates the need for backup tapes
B.Increases redundancy
C.Saves physical space in the racks
D.Offers additional runtime for the UPS
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Whilereviewingthebackuplogsaserveradministratornoticesthatabackupjobforanapplication serveronthesamesubnethasfailed.WhichofthefollowingisMOSTlikelytheproblem？（）
A.The remote agent was not running.
B.The management card has failed.
C.The proxy server was blocking access.
D.The hardware firewall was blocking access. -
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Which of the following is the MOST important factor when considering environmental factors?（）
A. Server room access should be limited to authorized personnel.
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单项选择题
WhichofthefollowingofferstheMOSTredundancyforasystembutisalsoverycostly？（）
A. RAID implementation
B. Disk-to-disk replication
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D. Hot site replication
