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CT-PT - Trustable Reliable ISTQB Certified Tester - Performance Testing Dumps Questions

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ISTQB CT-PT Exam Syllabus Topics:

Topic
Details

Topic 1

Common Failures in Performance Testing and Their Causes: This section of the exam measures the skills of Performance Engineers and outlines frequent failure modes, including slow responses at various load levels, degraded performance over time, and system crashes under peak conditions. It provides examples of underlying causes such as resource leaks, insufficient capacity, and poor handling of spikes or concurrency, illustrating why robust planning and monitoring are crucial for reliable performance.

Topic 2

Testing Types in Performance Testing: This section of the exam introduces the distinction between static and dynamic performance testing. It shows how reviews of requirements, architecture, and code can identify risks before coding is complete, and how runtime checks of resource utilization and response times reveal issues that only appear when the system is in operation.

Topic 3

Types of Performance Testing: This section of the exam measures the skills of Software Test Analysts and covers various approaches such as load, stress, scalability, spike, endurance, concurrency, and capacity testing. It explains how each type evaluates system behavior under different conditions, helping testers and stakeholders understand how the system handles both expected and extreme usage scenarios.

Topic 4

The Concept of Load Generation: This section of the exam measures the skills of Software Test Analysts and discusses how representative loads are modeled and produced to simulate user or process behavior. It explores methods such as user interface inputs, crowdsourcing, API-based calls, or protocol capture and playback, emphasizing the need for repeatable loads that accurately reflect real-world conditions.

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ISTQB Certified Tester - Performance Testing Sample Questions (Q39-Q44):

NEW QUESTION # 39
You are managing the testing efforts of an existing distributed system that manages inventories of automobile and light truck tires from multiple warehouses across the country. The system is being enhanced to track incoming restocking shipments at the point of entry to the warehouse and outbound sales shipments at the point of shipment from the warehouse, all of which are executed in real-time. System loads traditionally peak on Mondays due to built-up demand from the previous weekend.
You are preparing a presentation to the business stakeholders, outlining your performance testing strategy.
Which of the following is appropriate to present to this audience?

A. The risks that may exist due to platform differences between the test environment and the production environment
B. A comprehensive list of support staff to be available during performance testing, including key members of the application development team
C. A test plan that includes specific technical specifications for the computing hardware to be used for performance testing
D. Established HTTP response per second goals that will have acceptable minimum, maximum, and average response times

Answer: A

Explanation:
Business stakeholders are most concerned with risks that affect deployment and production stability. The primary risk in performance testing is that the test environment may differ from production, leading to misleading test results.
Option A (HTTP response goals) is too technical for a business stakeholder audience.
Option B (Hardware specifications) is relevant for technical teams, not business stakeholders.
Option C (Support staff details) is a logistical aspect, not a key performance testing risk for business decision-makers.

NEW QUESTION # 40
At what point during performance testing does monitoring with the load testing tool begin?

A. When testing is concluded.
B. Before testing execution.
C. Immediately after test execution.
D. Simultaneously with test execution.

Answer: D

Explanation:
Performance monitoring must begin simultaneously with test execution to capture system behavior in real-time. This ensures that bottlenecks and performance issues are identified immediately.
Option A (After testing is concluded) is incorrect because historical monitoring does not help in real-time analysis.
Option B (Before execution) is incorrect because monitoring needs active system load to measure performance.
Option C (Immediately after execution) is incorrect because it misses runtime metrics.

NEW QUESTION # 41
What is typically the result of oversaturation of system resources during performance testing?

A. Response time will gradually improve over a period of time.
B. Error logging will decrease.
C. The size of the database will gradually decrease.
D. Response time will be slow under significant load levels.

Answer: D

Explanation:
When system resources are oversaturated (e.g., CPU, RAM, or network bandwidth), response times will degrade because the system struggles to process requests efficiently. This is a key performance bottleneck indicator.
Option A is incorrect because response times do not improve under heavy load; they typically worsen.
Option C is incorrect because error logging may actually increase rather than decrease under stress.
Option D is incorrect because database size is independent of system saturation unless records are actively purged.

NEW QUESTION # 42
Which of the following is a typical performance risk associated with mainframe architectures?

A. Misconfigured host machine
B. Slow hard disk speed
C. Inconsistent loads when accessed via APIs
D. Lack of RAM

Answer: B

Explanation:
One of the key performance risks in mainframe architectures is slow hard disk speed, which can impact transaction processing, batch jobs, and database access times.
Option A (Inconsistent loads via APIs) is more relevant to distributed or cloud architectures rather than mainframes.
Option C (Misconfigured host machine) is a configuration issue, not a typical performance risk.
Option D (Lack of RAM) is less common in mainframes, which typically use optimized memory management.

NEW QUESTION # 43
Which of the following is considered a characteristic of stress testing?

A. It evaluates the system's ability to handle loads beyond its design limits.
B. Considers the system's ability to recover from a sudden increase of loads within the system's limits.
C. It determines the maximum number of transactions a system can handle.
D. It focuses on the system's ability to handle transactions over a specific timeframe.

Answer: A

Explanation:
Stress testing is designed to evaluate how a system behaves under extreme conditions, often exceeding its design limitations. The goal is to identify bottlenecks, memory leaks, and failures that occur beyond normal operating conditions.
Option A is incorrect because it refers to resilience testing, which focuses on recovery rather than stress beyond limits.
Option B is incorrect as it describes load testing, which measures performance under expected loads.
Option C is incorrect since determining the maximum transactions is a feature of capacity testing, not stress testing.

NEW QUESTION # 44
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