Answer:
Remote Backup means the backup of your data that is stored at some online storage place or server.
Explanation:
Remote is the terminology that is used for distance things that are not directly accessible but can be accessed through some online medium.
Backup means copy your data or information that is stored some where other than your PC.
So Remote Backup is a type of server that is used to store data on some online storage or server. Some times this server is called cloud.
For Example
Dropbox and Google drive are the examples of the remote server, These two storage are used to backup our data online. We can store and access data through these drives by on online server or storage by just having an internet connection.
