Which of the following storage techniques places frequently accessed data on faster media while placing seldom accessed data on slower media?

Defragmenting reorganizes fragmented data on a disk to improve read/write performance but does not move data between different media types.

Data de-duplication removes redundant copies of data to save storage space but does not differentiate data based on access frequency or move it between different media types.

Thin provisioning allocates storage capacity on demand rather than pre-allocating the full requested amount, allowing for more efficient use of physical storage, but it doesn't involve moving data based on access patterns.

Storage tiering automatically moves 'hot' (frequently accessed) data to faster, more expensive storage tiers (like SSDs) and 'cold' (seldom accessed) data to slower, less expensive tiers (like HDDs or tape) to optimize performance and cost efficiency.