单选题Which of the following is an advantage of using virtualization to consolidate servers？（）A
Reduced power and space requirementsB
Saves money on software costsC
Maintenance is easier because there is only one serverD
Fewer instances of the operating syst
题目内容(请给出正确答案)
单选题
Which of the following is an advantage of using virtualization to consolidate servers？（）
A
Reduced power and space requirements
B
Saves money on software costs
C
Maintenance is easier because there is only one server
D
Fewer instances of the operating system to maintain
