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Which of the following test categories would best characterize a test designed to confirm that the data backup tapes stored offsite by a bank can be retrieved and loaded within the business process service level agreement?
Answer : D
Testing that focuses on confirming that data backup tapes can be retrieved and loaded within specified service levels is classified as Continuity Testing. This type of testing ensures that business processes can continue after a disruption, such as data loss or system failure.
Installability testing is usually conducted during which stage in the application's SDLC and usually includes which other types of testing?
Answer : A
Installability testing is usually conducted during the System Testing stage of the SDLC. It typically includes testing the installation process of the software to verify that it installs correctly across various systems and configurations. This type of testing often overlaps with functionality testing to ensure all functions are available post-installation, and usability testing to ensure that the installation process is intuitive and user-friendly.
Given the following code:
If x > y and z = 3 statement!
elseif z = 4 statement
endif;
What is the minimum number of tests needed to achieve 100% decision coverage?
Answer : B
To achieve 100% decision coverage, you must ensure every decision in the code has been evaluated both to true and false. Given the code:
If x > y and z = 3 statement1 elseif z = 4 statement2 endif;
Two tests are required:
Test 1: Set x > y true and z = 3 to evaluate the first decision as true and execute statement1.
Test 2: Set z = 4 (ensuring the first condition x > y and z = 3 evaluates to false) to evaluate the elseif condition as true and execute statement2.
This testing ensures that both branches of the decision have been evaluated.
The requirements specification of a product begins with this sentence:
"The xyz system will provide many new user functions. These must be easy for our operators to use and tolerant of user input errors. These new functions must also be easy to learn. Because of very high transaction rates and limited processing power, the software design must be very efficient. The system must be available as close to 24x7 as possible.
Which three ISO 25010 major quality characteristics should be tested for possible defects with this implementation?
Answer : D
The requirements specify a need for ease of use, high efficiency due to high transaction rates and limited processing power, and near-continuous availability. Therefore, the three ISO 25010 major quality characteristics most relevant are:
Usability: Ensures the system is easy to learn and use.
Performance Efficiency: Ensures the system manages its processing power and transaction rates efficiently.
Reliability: Ensures the system is available and functioning correctly as close to 24x7 as possible.
When conducting a data flow analysis of following section of pseudo code:
Declare C, F, Z Decimal
Set Z = 32
Read F
SetC = (F-Z) * 5/9
Free C, F. Z
Print F
Which of the variables utilized above has a potential anomalie?
Answer : D
Analyzing the given pseudocode for potential anomalies in data flow:
Declare C, F, Z Decimal Set Z = 32 Read F Set C = (F-Z) * 5/9 Free C, F, Z Print F
The potential anomaly is with variable F. It is used after being freed, which typically indicates an error in managing the variable's lifecycle within the code.
