单项选择题
A. Identify which systems are the most critical and bring them up by level of importance.
B. Retrieve the latest backup tapes for immediate system restore using the GFS rotation.
C. Identify the least critical systems and then power those systems on first.
D. Determine the cause of the power outage and install UPS systems to prevent its reoccurrence.
单项选择题 WhichofthefollowingportsMUSTbeopenonthefirewalltoallowremotedesktopconnectionand remoteassistancetrafficthrough？（）
单项选择题 A server was recently updated with the latest antivirus definitions. Immediately after the update， the server begins to report file not found errors for a mission critical application. Which of the following is the MOST likely reason for this？（）
单项选择题 Which of the following is the FIRST thing that should be done in order to begin reinstalling TCP/IP on the server?（）