A cloud administrator is given a requirement to maintain a copy of all system logs for seven years. All servers are depl

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A cloud administrator is given a requirement to maintain a copy of all system logs for seven years. All servers are deployed in a public cloud provider's environment.
Which of the following is the MOST cost-efficient solution for retaining these logs?

A. Create a long-term storage repository at the cloud provider. Have all logs copied to the cloud storage device.
B. Schedule a nightly job on each server to archive all logs. Copy them to a compressed drive on the server.
C. Configure SMTP services on each server and schedule a nightly job to email the logs to the cloud administrator team's email account.
D. Configure a nightly job on each server to copy all logs to a single server. Schedule a job on the server to archive those logs into a compressed drive.