You are a MongoDB Atlas Administrator responsible for restoring a database to a dedicated cluster from a backup taken from another dedicated cluster. The original cluster had specific disk size and MongoDB server version settings. What crucial factors must you ensure are aligned between the backup source and the destination cluster to guarantee a successful and compatible restoration?
A MongoDB Atlas administrator is responsible for maintaining the health of a special capped collection that stores a rolling record of user activity logs. What metric should the administrator use to check the health of this capped collection?
An e-commerce company uses a MongoDB Atlas cluster with multiple shards and replica sets to handle its high-traffic online store. They need to perform rolling maintenance to upgrade from MongoDB version 4.2 to 4.4. Which of the following steps should be excluded from their rolling maintenance plan to prevent disruptions?