System Analysis and Design
Backup and recovery procedures are primarily implemented to

None of these
to provide data redundancy
to show different versions of data and programs
All of these
handle the contingency when a file gets corrupted

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System Analysis and Design
In Decision trees

the branch depends on the condition and decisions to made
nodes represent the conditions, with the right side of tree listing the actions to be taken
None of these
All of these
the root is drawn on the left and is the starting point on the decision sequence.

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