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Which of the following risks is MOST often associated w…

IS management has decided to rewrite a legacy customer relations system using fourth generation languages
(4GLs). Which of the following risks is MOST often associated with system development using 4GLs?

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A.
Inadequate screen/report design facilities
Field checks

B.
Complex programming language subsets
Control totals

C.
Lack of portability across operating systems
Portability is also one of the main advantages of 4GLs.
QUESTION 2
Which of the following would be the BEST method for ensuring that critical fields in a master record have been
updated properly?
Reasonableness checks

D.
Inability to perform data intensive operations
A before-and-after maintenance report

C.
Lack of portability across operating systems
Portability is also one of the main advantages of 4GLs.
QUESTION 2
Which of the following would be the BEST method for ensuring that critical fields in a master record have been
updated properly?
Reasonableness checks

A.
Inadequate screen/report design facilities
Field checks

B.
Complex programming language subsets
Control totals

C.
Lack of portability across operating systems
Portability is also one of the main advantages of 4GLs.
QUESTION 2
Which of the following would be the BEST method for ensuring that critical fields in a master record have been
updated properly?
Reasonableness checks

D.
Inability to perform data intensive operations
A before-and-after maintenance report

Explanation:
4GLs are usually not suitable for data intensive operations. Instead, they are used mainly for graphic user
interface (GUI) design or as simple query/report generators.
Incorrect answers:
A, B. Screen/report design facilities are one of the main advantages of 4GLs, and 4GLs have simple
programming language subsets.

A before-and-after maintenance report is the best answer because a visual review would provide the most
positive verification that updating was proper.


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