A storage specialist needs to automate some tasks triggered in the event of disaster recovery. What is the best solution to accomplish this（）
A. using the DS GUI， step through Real Time Manager， Copy Services， Create custom scripts； actions and event conditions can be defined that triggerthe script； there is no need for a password
B. create a shell script usingdscli commands； trigger the script from the operating system， and call the script using the -pwd option with the password
C. create a password file； create a shell script using dscli commands； trigger the script from the operating system
D. create a password file； create a shell script usingdscli commands； trigger the script from the operating system； call the dscli script with the dscli -script -pwdfile command
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