What is the networking method of FC SAN? (Multiple choice)

There are two statements about backups below, which is correct?
Statement 1: The retention period refers to the time it takes to backup.
Statement 2: Incremental backup takes the longest time among the three backup types.

The deduplication feature reduces space through compression.

When the Meteorological Center needs to store a large amount of satellite pictures and image data, and the amount of data will grow rapidly in a short period of time, due to the elastic expansion of cloud storage, the engineer recommends using the cloud storage platform.

There are two statements about backups as follows:
Statement 1: The data backed up on the tape can be used for data recovery at any time, but only the historical data at the time of the backup can be recovered, not the data at the time of the failure.
Statement 2: Using tape as the backup medium is the highest RTO backup method.