Point out the correct statement.
(a) QoS levels may be applied to different services against a single virtual storage container
(b) An SLA might specify that a particular Quality of Service (QoS) for a virtual storage container may be measured in terms of the I/O per second
(c) To provide for scaling, a virtual storage container must be easily migrated from one storage system to another
(d) All of the mentioned
The question was asked by my school principal while I was bunking the class.
Question is taken from Cloud Backup Solutions in chapter Cloud-Based Storage of Cloud Computing