Topics to cover for Data Storage interview

Well, trying to build an exhaustive list of topics to be covered for Data storage interview. So, here goes the list:
- Storage Networking. Why Storage networking?
- DAS, NAS, SAN. Advantages and disadvantages of these. Also, how does NAS overcome the limitations of DAS and similarly how does SAN overcome limitations of NAS? When and how to use one of these?
- Storage I/O stack. Components and function of each component?
- Storage devices
- Storage subsystems
- SCSI/SASI
- FCP
- iSCSI
- SAS
- SATA
- RAID, JBODs, HBAs
- Backup,restore
- Storage virtualization
- File systems
- Clustering
- Multipathing
- Distributed filesystems
- NFS
- CIFS
- NDMP
- Information Life Cycle Management
- Cloud Computing

Will keep adding to this post as and when I remember few more or come across some new ones :)