单项选择题
Which of the following expansion cards would be necessary to increase fault tolerance in a VoIP server?（）
A. Second Modem
B. Second CPU
C. Second HBA
D. Second PBX card
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相关考题
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单项选择题
WhichofthefollowingensurestheMOSTsecureaccesstoaserverroom？（）
A. ID card readers
B. Server rack doors
C. Biometric devices
D. Locked doors -
单项选择题
WhichofthefollowingisanexampleofaprivateIPaddress？（）
A.191.168.5.4
B.111.12.53.2
C.5.2.4.4
D.169.254.15.28 -
单项选择题
Users have reported that they cannot access certain Internet sites. An administrator wants to test that the sites are properly resolving to an IP address. Which of the following tools would allow the administrator to test name resolution?（）
A. net view
B. ipconfig
C. dig
D. ifconfig
