Operations Questions for Prospective ILS Vendor

What hardware and software is used?
What training is required? Provided by Vendor or Outsourced?
What skillset is needed to operate, maintain, manage system? DBA/SQL
What programming/operating system languages are used?
Describe fault-tolerance of hardware/software?
Describe implementation of disaster recovery?
What methods are used for backup of data and how often are backups recommended? Tape? Disk?
What methods are available for the [...]