Q66

MCQ2 marks, −0.5

In a data flow diagram, the segment shown below is identified as having transaction flow characteristics, with $p_2$ identified as the transaction center

A first level architectural design of this segment will result in a set of process modules with an associated invocation sequence. The most appropriate architecture is

(A)

$p_1$ invokes $p_2, p_2$ invokes either $p_3,$ or $p_4,$ or $p_5$

(B)

$p_2$ invokes $p_1,$ and then invokes $p_3,$ or $p_4,$ or $p_5$

(C)

A new module $T_c$ is defined to control the transaction flow. This module $T_c$ first invokes $p_1$ and then invokes $p_2.$ $p_2$ in turn invokes $p_3,$ or $p_4,$ or $p_5$

(D)

A new module $T_c$ is defined to control the transaction flow. This module $T_c$ invokes $p_2.$ $p_2$ invokes $p_1,$ and then invokes $p_3,$ or $p_4,$ or $p_5$

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