单项选择题
A. Second Modem B. Second CPU C. Second HBA D. Second PBX card
WhichofthefollowingensurestheMOSTsecureaccesstoaserverr...
单项选择题Which of the following ensures the MOST secure access to a server room？（）
A. ID card readers B. Server rack doors C. Biometric devices D. Locked doors
WhichofthefollowingisanexampleofaprivateIPaddress？（）A.1...
单项选择题Which of the following is an example of a private IP address？（）
A.191.168.5.4 B.111.12.53.2 C.5.2.4.4 D.169.254.15.28
Users have reported that they cannot access certain Int...
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
