An Administrator Is Creating an On-Site Backup and an Off-Site

Multiple Choice

An administrator is creating an on-site backup and an off-site backup for four servers located at the company's headquarters. Which of the following backup options should the administrator select to meet the requirements?

A) A daily backup of each server to its secondary disks and a nightly cross-backup to the network drives of one of the other servers
B) An hourly backup of each server to a NAS drive at the MDF and a nightly backup to another NAS drive at the IDF of the headquarters
C) A daily backup of each server to a SAN volume at the headquarters and a weekly backup to a NAS drive at a colocation
D) A continuous replication backup to the NAS drive in the server room and a nightly backup to the backup server at the HQ telecom closet