①Scale-out, horizontal expansion, can improve capacity and performance at the same time
②Scale-up, horizontal expansion, cannot improve capacity and performance at the same time (Multiple Choice)

An intelligent backup strategy involves multiple backup policies on the same production data i.e, with different retention periods and different schedules.

Regarding the commonly used components of ICT, which of the following statements is correct? (Multiple choice)

Which of the following are the 3 layers of components that storage systems are made up of?
(Multiple Choice)

Which of the following statement about the three iSCSI connection methods is correct?