Q53.
b
Section
4-1 System development technology
Answer
Explanation
A black box test determines if a program is functioning correctly based only on input and output of data, without focusing on the internal structure of the program. Boundary value analysis is one of the methods for preparing test data in a black box test. Boundary value analysis
uses the boundary value for the valid and invalid scope of data as the test data. Here, the valid
scope of data is from 1 to 49, while the invalid scope of data is 0 or below and 50 or above.
Since the lower boundary is 0 and 1, and the upper boundary is 49 and 50, the test data must
at the very least include these four (4) numbers. Therefore, the correct answer is b).
Q54.
b
Section
5-1 Project management
Answer
Explanation
Since 30% of the program requires changing and the number of lines that can be changed in a
single day is 0.25 lines, the required workload (person-days) is calculated using the following
formula:
3,000 lines × 30% = 900 lines
900 lines ÷ 0.25 lines = 3,600 days
Furthermore, since one (1) person-month covers 20 days, the required workload (personmonths) is calculated using the following formula:
3,600 days ÷ 20 days = 180 person-months
Q55.
a
Section
4-1 System development technology
Answer
Explanation
A bug control chart is used to graph the relationship between the test time and cumulative
number of detected bugs (errors).
The aim is to achieve zero incomplete test items and unresolved bugs. However, as time passes, the number of unresolved bugs levels off after a certain point, and shows no sign of further
decline. This indicates that testing has stopped making progress. Furthermore, since the
number of bugs detected levels off after a certain point, it indicates that there are bugs that are
difficult to resolve, and no progress is being made with testing.
Q56.
a
Section
5-1 Project management
Answer
Explanation
The scope describes the range of work required to produce the final deliverables. For the success of the project, it is important to define the scope beforehand in a thorough manner.
Q57.
d
Section
9-5 Security
Answer
Explanation
Upper management should make an effort to provide employees with an explanation of the
company’s approach and initiatives for the information security policy.
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