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?（）

单项选择题 WhichofthefollowingMOSTcorrectlydescribesahotspare？（）