(b) RAID usually refers to a redundant array of independent disks. Answer the following parts related to RAID technology.

(iii) In addition to hardware-based RAID controller, give another type of RAID controller. [1 mark]

(c) You are given a Linux system, a new hard disk is added to the system and identified as /dev/sdc. There is only one partition created properly in that hard disk. Write a command for the system administrator to format the hard disk into ext3. [3 marks]

(d) Write a command for the system administrator to attach the newly added hard disk mentioned in Part (c) to the directory /mnt/data. Suppose the directory /mnt/data has been created.