单项选择题
A. Identify changes to the system.
B. Replicate the problem in the system.
C. Verify full system functionality.
D. Implement the solution.
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？（）
单项选择题 Which of the following is the MOST effective method to restrict staff members from accessing a service on a company server?（）