CTAL-TTA勉強の資料 & CTAL-TTA基礎問題集

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Nov 9, 2024 - 12:27

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>> CTAL-TTA勉強の資料 <<

CTAL-TTA基礎問題集、CTAL-TTA復習教材

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ISTQB Certified Tester Advanced Level Technical Test Analyst 認定 CTAL-TTA 試験問題 (Q160-Q165):

質問 # 160
Which statement about component testing tools and build automation tools is TRUE?

A. In a full continuous integration process, build automation tools are typically used to trigger the builds by every commit to a repository
B. Build automation tools cannot be used to periodically schedule the builds, for example during the night
C. Build automation tools allow users to change variable values during execution and step through the code of each component line by line
D. Component testing tools are not used for writing tests at component level but to automate the component testing

正解：A

解説：
Analysis:
Understanding the roles and functionalities of component testing tools and build automation tools is crucial for effective software development and testing processes.
B: In a full continuous integration process, build automation tools are typically used to trigger the builds by every commit to a repository:
* This is a fundamental function of build automation tools in continuous integration environments. They automatically trigger builds whenever code changes are committed to the repository, ensuring that the codebase is continuously tested and integrated.
Explanation of Incorrect Options:
* A. Build automation tools allow users to change variable values during execution and step through the code of each component line by line:
* This describes a function of debugging tools, not build automation tools.
* C. Build automation tools cannot be used to periodically schedule the builds, for example during the night:
* This is incorrect as build automation tools can indeed schedule builds at specified times.
* D. Component testing tools are not used for writing tests at component level but to automate the component testing:
* Component testing tools are used for writing and automating tests at the component level.
References:
The ISTQB CTAL-TTA syllabus and standard practices in continuous integration and build automation highlight the role of build automation tools in triggering and scheduling builds.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on continuous integration and build automation.

質問 # 161
You are asked to provide a practical and pragmatic testing solution for a commercial system where the main user interface is via the Internet. It is critical that the company's existing good name and market profile are not damaged in any way. Time to market is not a critical issue when appropriate testing solutions are identified to mitigate business risks.
A product risk assessment has revealed the following product risk:
* Abnormal application termination due to connection failure of the main interface.
Which of the following is the appropriate test type to address this risk?

A. Reliability testing
B. Performance efficiency testing
C. Operability testing
D. Portability testing

正解：A

解説：
Reliability testing is the process of checking whether the software consistently performs according to its specifications. For a commercial system with a critical internet-based user interface, ensuring that the application can handle connection failures without abnormal terminations is essential. Reliability testing would include testing the system's ability to recover from failures and continue operating, which directly addresses the risk identified.

質問 # 162
How many test cases need to be designed to achieve 100% decision coverage in the following piece of pseudo-code which applies discount rates to hotel room bookings?
Read (Loyalty_level)
Read (Room_price)
IF (Room_price > 200)
IF (Loyalty_level = Platinum)
Discount_factor = 80%
ELSE
IF (Loyalty_level = Gold)
Discount_factor = 85%
ELSE
Discount_factor = 95%
ENDIF
ENDIF
ELSE
IF (Room_price > 150)
IF (Loyalty_level = Platinum)
Discount_factor = 85%
ELSE
Discount_factor = 95%
ENDIF
ELSE
Discount_factor = 100%
ENDIF
ENDIF
Room_price = Room_price * Discount_factor
IF (Discount_factor < 100%)
Show message "Congratulations - you have received a discount!"
ENDIF

A. 0
B. 1
C. 2
D. 3

正解：D

解説：
To achieve 100% decision coverage, we need to ensure that every decision (if statement) in the code has been tested for both true and false outcomes. Let's analyze the code and count the decisions:
* IF (Room_price > 200)
* IF (Loyalty_level = Platinum) inside Room_price > 200
* ELSE within the same decision above
* IF (Loyalty_level = Gold) inside the ELSE of decision 2
* IF (Room_price > 150)
* IF (Loyalty_level = Platinum) inside Room_price > 150
* ELSE within the same decision above
* IF (Discount_factor < 100%)
To cover all these decisions, we need test cases for each possible combination:
* Room_price > 200 and Loyalty_level = Platinum.
* Room_price > 200 and Loyalty_level = Gold.
* Room_price > 200 and Loyalty_level not Platinum or Gold.
* Room_price <= 200 and Room_price > 150, and Loyalty_level = Platinum.
* Room_price <= 200 and Room_price > 150, and Loyalty_level not Platinum.
* Room_price <= 150.
From these scenarios, we can see that the minimum number of test cases required to achieve 100% decision coverage is four:
* Test with Room_price > 200 and Loyalty_level = Platinum (tests decision 1 true, 2 true, and 8 true).
* Test with Room_price > 200 and Loyalty_level = Gold (tests decision 1 true, 2 false, 4 true, and 8 true).
* Test with Room_price > 200 and Loyalty_level not Platinum or Gold (tests decision 1 true, 2 false, 4 false, and 8 true).
* Test with Room_price <= 200 and Room_price > 150, and Loyalty_level = Platinum (tests decision 1 false, 5 true, 6 true, and 8 true).
* Test with Room_price <= 200 and Room_price > 150, and Loyalty_level not Platinum (tests decision 1 false, 5 true, 6 false, and 8 true).
* Test with Room_price <= 150 (tests decision 1 false, 5 false, and 8 false).
Given that these six cases test all branches, four test cases are required to ensure that all decisions are covered at least once.
Therefore, the correct answer is A. 4.

質問 # 163
Which of the following are activities that the Technical Test Analyst performs when setting up a test automation project?
1.Schedule the manual testing
2.Define interface requirements between tools
3.Perform a code review on the functional specifications
4.Determine whether to use a rule-dnven approach
5.Tram the test analysts to use and supply the data

A. 1.2
B. 3. 5
C. 1.4
D. 2,5

正解：D

解説：
In setting up a test automation project, the Technical Test Analyst performs activities such as defining interface requirements between tools and training the test analysts to use and supply the data. These activities are crucial for ensuring that the automation tools are effectively integrated and that the team is capable of utilizing these tools efficiently.

質問 # 164
You are reviewing the following Java function that determines whether a number input by the user is even or odd:
import java.util.Scanner;
public class OddOrEven {
public static void main(String[] args) {
Scanner reader = new Scanner(System.in);
System.out.print("Please enter a number: ");
int number = reader.nextInt();
if (number % 2 == 0) {
System.out.println("Your input number '" + number + "' is even.");
} else {
System.out.println("Your input number '" + number + "' is odd.");
}
}
}
You are guided by the following checklist:
*All variables must start with a Capital letter
*All output messages must start with a Capita letter
*There must be a clear comment when explaining the purpose of the dress
How many checklist items Mve been fuelled7
SELECT ONE OPTION

A. 0
B. 1
C. 2
D. None

正解：A

解説：
Only one of the checklist items has been fulfilled in the Java function provided. Option C is correct.
* Checklist Review:
* Capitalization of Variables: The variable 'Number' does start with a capital letter, fulfilling this checklist item.
* Capitalization of Output Messages: The output messages do not start with a capital letter following the prompt text (e.g., 'your input number...'), failing this checklist item.
* Comment Line: There is no comment line explaining the purpose of the class or method, failing this checklist item.
Thus, only the requirement regarding the capitalization of the variable is met, indicating a partial adherence to the specified coding standards .

質問 # 165
......

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ちなみに、PassTest CTAL-TTAの一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1JbkQzauzMlo_6-sUbrjFtHpm6Gujn3V4

CTAL-TTA勉強の資料 & CTAL-TTA基礎問題集