Question: In the Level 0 data flow diagram below, identify the five most important or serious errors / violations ( for which you would receive red
In the Level data flow diagram below, identify the five most important or serious errorsviolations for which you would receive red ink from the grader
For each violation, place a number to on that spot in the DFD and then identify the nature of the violation in the space below.
Question options:
A
The data flow shows data eventually sent to an outside entity. We cannot send data flow to an outside entity
B
Need label on data flow arrow from 'Customer'.
C
Numbers should be on both 'Customer' and 'Inventory' processes.
D
'Update Inventory' is too detailed of a process. Need a process that can be further decomposed to level
E
Data flowing into the 'Warehouse' process should be coming from the 'Customer' process.
F
Forked dataflow from 'Customer' does not need two arrows.
G
Blackhole process in data flows in but nothing flows out
H
Forked dataflow from 'Customer' has two types of data only one is allowed
I
'Customer' is too broad of a process. Need a process that cannot be further decomposed.
J
Arrow is in the wrong direction between 'Warehouse' and 'Inventory'. In the Level data flow diagram below, identify the five most important or serious errorsviolations for which you would receive red ink from the grader
For each violation, place a number to on that spot in the DFD and then identify the nature of the violation in the space below.
A The data flow shows data eventually sent to an outside entity. We cannot send data flow to an outside entity
B Need label on data flow arrow from 'Customer'. C Numbers should be on both 'Customer' and 'Inventory' processes.
D 'Update Inventory' is too detailed of a process. Need a process that can be further decomposed to level
E Data flowing into the 'Warehouse' process should be coming from the 'Customer' process.
F Forked dataflow from 'Customer' does not need two arrows.
G Blackhole process in data flows in but nothing flows out
H Forked dataflow from 'Customer' has two types of data only one is allowed
I 'Customer' is too broad of a process. Need a process that cannot be further decomposed.
J Arrow is in the wrong direction between 'Warehouse' and 'Inventory'.
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