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ISTQB CTAL-TTA Exam Questions
- Topic 1: Risk-Based Testing for Technical Test Analysts: Its focal point is risk-based testing. It delves into assessment, risk identification, and mitigation.
- Topic 2: White-Box Test Techniques: This topic deals with different white-box testing methodologies, including decision testing, modified condition/decision testing, statement testing, and API testing. Moreover, it focuses on basic path testing, API testing, and choosing an appropriate white-box test technique as per the project situation.
- Topic 3: Static and Dynamic Analysis: In this topic, questions about importance of both static and dynamic analysis, control flow analysis, memory leaks, performance efficiency analysis, and data flow analysis may appear.
- Topic 4: Quality Characteristics for Technical Testing: This exam topic focuses on different quality features relevant to technical testing. It discusses portability, security, maintainability, and compatibility testing.
- Topic 5: Reviews: It sheds light on the role of Technical Test Analysts in reviews. The topic also focuses on the usage of checklists for different architectural and code reviews.
- Topic 6: Test Tools and Automation: This topic defines test automation projects. It also explains how to select automation approaches. Moreover, it explains specific test tools.
Free ISTQB CTAL-TTA Exam Actual Questions
Note: Premium Questions for CTAL-TTA were last updated On Jul. 18, 2026 (see below)
The stakeholders in a new system want its mean time between failure to be three months or longer, with a mean time to repair the system of ten minutes or less when it does fail. When planning and specifying reliability tests to be performed before release, which ONE of the following is a factor that must be considered?
Analysis:
For a system to meet its reliability requirements, it must maintain a mean time between failure (MTBF) of three months or longer and a mean time to repair (MTTR) of ten minutes or less. When planning and specifying reliability tests, several factors must be considered to ensure these requirements are met.
Key Factor:
B . Determining the target availability for the system:
Availability is a critical factor that encompasses both the MTBF and MTTR. Availability is calculated based on the uptime and downtime of the system, which directly correlates with MTBF and MTTR. Determining the target availability helps ensure that the system can meet the required reliability standards by specifying acceptable levels of uptime and downtime.
Explanation of Incorrect Options:
A . Defining the replaceability requirements:
Replaceability pertains to the ease with which components can be replaced or updated. While important for maintainability, it is not the primary focus for reliability testing in this context.
C . Monitoring reliability in production:
Monitoring in production is important for ongoing reliability assessment but is not a primary consideration when planning and specifying tests before release.
D . Configuring a production-like test environment:
This is essential for accurate testing but is a logistical consideration rather than a direct factor in the reliability requirements.
The ISTQB CTAL-TTA syllabus and standard practices in reliability testing emphasize the importance of availability metrics in planning reliability tests.
Sources:
ISTQB-CTAL-TTA Syllabus
General knowledge on reliability testing and availability.
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 1?
Analysis:
For Change 1, which involves using multiple servers to maximize throughput and minimize response time, the key concern is how the load is distributed across these servers.
B . Load balancing:
Load balancing is the process of distributing network or application traffic across multiple servers to ensure no single server becomes overwhelmed. It is crucial for maximizing throughput and minimizing response times, particularly during peak volumes.
Explanation of Incorrect Options:
A . Connection pooling:
This is related to managing database connections efficiently but is not directly relevant to distributing web server traffic.
C . Distributed processing:
This refers to dividing processing tasks across multiple processors or machines but is not specific to managing web server load.
D . Caching:
Caching helps improve performance by storing frequently accessed data in memory, reducing the need to retrieve it from the database, but it does not address load distribution across servers.
The ISTQB CTAL-TTA syllabus and standard practices in reviewing system architecture emphasize the importance of load balancing for managing server traffic and ensuring optimal performance during peak loads.
Sources:
ISTQB-CTAL-TTA Syllabus
General knowledge on system architecture and load balancing.
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 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 .
Which of the following statements about Application Programming Interface (API) testing is TRUE?
API testing involves testing the application programming interfaces directly and is often a critical part of integration testing. Here are the clarifications for each option:
A . API testing cannot be applied to distributed systems: This is incorrect. API testing is commonly used in distributed systems to ensure that different components interact correctly.
B . Combinatorial testing cannot be applied to API testing: This is incorrect. Combinatorial testing techniques can be very effective in API testing to cover various parameter combinations.
C . API testing may require the use of specialized tools: This is true. API testing often involves tools like Postman, SoapUI, and others to facilitate sending requests and validating responses, which may not be feasible manually.
D . APIs are loosely coupled, so timing glitches will not happen: This is incorrect. Even though APIs are designed to be loosely coupled, timing issues can still occur, especially in asynchronous operations and in systems where timing is critical.
Therefore, the correct answer is C. API testing may require the use of specialized tools.
You are testing software that will be used in nuclear power plants. The particular piece of code you are testing has been classified as SIL 2. The following section of code falls under this classification:
If ((A > B) or (C > D)) and (E = F) then print A
Endif
Which of the following sets of test data would supply the minimum tests needed to achieve the "highly recommended" level of coverage?
In software testing, especially within contexts like nuclear power plants, achieving a 'highly recommended' level of coverage often requires strategic test case selection to verify all logical conditions are accurately assessed. For the condition 'If ((A > B) or (C > D)) and (E = F) then print A', the critical tests involve evaluating the boolean logic.
Test Case Analysis: Test Set 1 is selected because it should ideally include scenarios where:
Both conditions (A > B) and (C > D) are true, and (E = F) is true to ensure the print statement executes.
One of the conditions (A > B) or (C > D) is false while the other is true, combined with (E = F) being true, to test the OR logic.
Both conditions (A > B) and (C > D) are false with (E = F) being true, which should not trigger the print statement, testing the AND logic.
Condition where (E != F), irrespective of other conditions, to confirm that the print statement does not execute.
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