フリー問題

問題文

A security team raises an alert because compute instances appeared in a compartment during a replication window and disappeared later, and nobody in the migration team created them. Which statement explains what they were?

選択肢

1. They were the permanent agents that read the snapshots and wrote them into the volumes, and they end by themselves once the migration project is marked complete.
2. They were the migrated instances that the plan launched ahead of the schedule, and they end by themselves once the migration project is marked complete.
3. They were the remote appliances that the service placed in the tenancy for it, and they end by themselves once no replication work is left.
4. They were the temporary agents that read the snapshots and wrote them into the volumes, and they end by themselves once no replication work is left for them.