单选题An administrator is creating a comprehensive backup system to backup a single web server. Which of the following is the BEST way to provide full restore？（）A Take an image backup nightly while the server is online.B Take an incremental backup while the server is offline.C Take a monthly snapshot backup while the server is online.D Take a differential backup while the server is online.
单选题
An administrator is creating a comprehensive backup system to backup a single web server. Which of the following is the BEST way to provide full restore？（）
A
Take an image backup nightly while the server is online.
B
Take an incremental backup while the server is offline.
C
Take a monthly snapshot backup while the server is online.
D
Take a differential backup while the server is online.
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