A backup of 20 GB of data is reduced by a deduplication algorithm to 4 GB of data. What is the deduplication ratio?
Which backup service type is suitable when a cloud service provider already hosts consumer applications and data?
A storage system is configured with erasure coding, divided up into 12 data segments and 4 coding segments. Each segment is written to different drives. What is the maximum number of drive failures that can be withstood without losing the data in this configuration?