单项选择题

Which of the following is the MOST secure and efficient way to dispose of rewritable DVD media containing sensitive information？（）

A.Media should be erased
B.Media should be shredded
C.Media should be exposed to UV
D.Media should be formatted

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单项选择题

An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot.
Which of the following is the FIRST thing the administrator should check？（）

A. Default gateway
B. The ports on the switch
C. Port security on the servers switch port
D. Ethernet cable

单项选择题

Which of the following is the typical recommended temperature range for a data center？（）

A.64°F to 77°F（18°C to 25°C）
B.78°F to 85°F（26°C to 29°C）
C.41°F to 55°F（5°C to 12°C）
D.56°F to 63°F（13°C to 17°C）

单项选择题

Which of the following RAID arrays should be used to achieve the BEST fault tolerance?（）

A. Four drives with RAID 0
B. Four drives with RAID 3
C. Four drives with RAID 5
D. Four drives with RAID 10