Author Question: A DFD that is a result of three nested decompositions of a series of subprocesses from a process on ... (Read 62 times)

rmenurse · **on:** Jul 7, 2018

A DFD that is a result of three nested decompositions of a series of subprocesses from a process on a level-0 diagram describes a:

A) level-3 diagram.
B) level-1 diagram.
C) level-2 diagram.
D) primitive diagram.
E) context diagram.

Question 2

An attribute that can have more than one value for each entity instance is referred to as:

A) a gerund.
B) a multivalued attribute.
C) a nonexclusive attribute.
D) a data replica.
E) composite attribute

aham8f · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

A
Explanation: A) For instance, the decomposition of Process 2.4.3.4 would be shown on a level-3 diagram.
CL

Answer to Question 2

B
Explanation: B) Consider an EMPLOYEE and his or her dependents. Dependent name, age, and relation to employee (spouse, child, parent, etc.) are multivalued attributes about an employee, and these attributes repeat together.
CL