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Pass Guaranteed Marvelous ISTQB CTAL-TTA - Certified Tester Advanced Level Technical Test Analyst Test Result

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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q122-Q127):

NEW QUESTION # 122
Which of the following defect types is NOT an example of a defect type typically found with API testing?

A. Data handling issues
B. Timing problems
C. Loss of transactions
D. High architectural structural complexity

Answer: D

Explanation:
In the context of API testing, the defect types generally found are related to the specific interactions with the API, such as issues with data formatting, handling, validation, and the sequencing or timing of API calls. Architectural structural complexity is not typically a defect that would be identified at the API testing level. API tests are concerned with the interface and immediate integration points, not the overarching system architecture, which would be more relevant to design or system-level testing.

NEW QUESTION # 123
Which of the following is a valid reason for including security testing in a test approach?

A. Software changes will be frequent after it enters production.
B. To provide measurements from which an overall level of availability can be obtained.
C. To evaluate the ability of a system to handle peak loads at or beyond the limits of its anticipated or specified workloads
D. There is a threat of unauthorized copying of applications or data.

Answer: D

Explanation:
Including security testing in a test approach is valid when there are concerns about unauthorized access or activities, such as the threat of unauthorized copying of applications or data (option A). This type of testing aims to uncover vulnerabilities that could be exploited to compromise the confidentiality, integrity, or availability of the system. The other options listed-availability measurements (option B), system's peak load handling (option C), and frequent software changes (option D)-relate to different aspects of testing, such as reliability, performance, and maintainability, which are not directly associated with security testing.

NEW QUESTION # 124
Given the following code:
If x > y and z = 3 statement!
elself z = 4
statement2
endif;
What is the minimum number of tests needed to achieve 100% statement coverage?

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

Answer: B

Explanation:
To achieve 100% statement coverage, you need to ensure every executable statement in the code is executed at least once during testing. Given the code:
If x > y and z = 3 statement1 elseif z = 4 statement2 endif;
Two tests are required:
* Test 1: Set x > y and z = 3 to execute statement1.
* Test 2: Set z = 4 (irrespective of the condition x > y) to execute statement2.
With these two tests, both conditions that lead to the execution of statement1 and statement2 are covered.

NEW QUESTION # 125
The last release of a hotel booking website resulted in poor system performance when hotel searches reached peak volumes. To address these problems in the forthcoming release, changes to the system architecture are to be implemented as follows:
Change 1 - Provision of a single Internet service using multiple servers, rather than a single server, to maximize throughput and minimize response time during peak volumes Change 2 - Prevention of unnecessary database calls for objects that were not immediately needed by the calling applications. Achieved by not automatically creating database connections at the start of processing, instead only just before the data is required.
The system architecture document has been drafted and as Technical Test Analyst you have been invited to participate in its review. Which of the following review checklist items is MOST likely to identify any defects in the proposed system architecture for Change 2?

A. Connection pooling
B. Lazy instantiation
C. Caching
D. Data replication

Answer: B

Explanation:
Analysis:
For Change 2, the goal is to prevent unnecessary database calls by delaying the creation of database connections until they are actually needed. This approach is known as lazy instantiation.
C: Lazy instantiation:
* Lazy instantiation is a design pattern that defers the creation of an object until the point at which it is needed. This can help improve performance by reducing unnecessary resource consumption. In the context of database connections, it ensures that connections are only established when required, thus avoiding unnecessary overhead.
Explanation of Incorrect Options:
* A. Connection pooling:
* Connection pooling involves reusing database connections from a pool rather than creating new ones each time. While this improves efficiency, it does not specifically address the issue of deferring database connections until needed.
* B. Data replication:
* Data replication refers to copying data across multiple databases to ensure consistency and availability. It is not directly related to managing when database connections are established.
* D. Caching:
* Caching involves storing frequently accessed data in memory to improve retrieval times. While beneficial for performance, it does not address the specific issue of delaying database connections.
References:
The ISTQB CTAL-TTA syllabus and standard software architecture practices highlight the importance of design patterns such as lazy instantiation for optimizing resource usage and performance.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on software architecture design patterns.

NEW QUESTION # 126
A unit test should be deterministic. Which option correctly describes the meaning of 'deterministic' as a characteristic of a unit test9 SELECT ONE OPTION

A. Whenever it is run under the same conditions, it should produce the same results.
B. It should be small so that many tests can be run in a short period of time
C. It should only test the functionality related to it.
D. it should not depend on any other test.

Answer: A

Explanation:
A unit test being 'deterministic' means that whenever it is run under the same conditions, it should produce the same results. This characteristic is crucial for reliable, repeatable testing outcomes that are not influenced by external factors or previous test states .

NEW QUESTION # 127
......

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