单项选择题 WhichofthefollowingistheLASTstepanadministratorshouldtakewhentroubleshootinganissue？（）

单项选择题 A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）

单项选择题 Thecompanyhastwothousandserverslocatedaroundtheglobe.Whichofthefollowingisthe BESTmethodofpatchmanagementanddeployment？（）