Which of the following is a typical performance risk associated with distributed architectures?

Unreliable or unpredictable remote servers

A local hard disk that has been de-fragmented

Excess computer memory resources

Unreliable or unpredictable remote servers

Inconsistent Bluetooth connectivity

Which of the following is a general principle of performance testing?

Tests must be executable within the project timeframe.

Test results must be comparable to tester expectations.

Test results must vary when the tests are run repeatedly on an unchanged system.

Tests must align with the ideal outcome of stakeholders.

Which of the following is a static performance test?

Review of the network architecture

Usability test of the user interface

Evaluation of the test execution skills of the testers

Review of the network architecture

Formal signature approval by the end users

What challenge must be considered when using crowds to emulate load generation?

The load generation will be difficult to reproduce.

The load generation method is less sensitive to changes in the III.

This type of load generation is more suitable for mainframe applications.

This technique is more precise than other methods of load generation.

What is typically the result of oversaturation of system resources during performance testing?

Response time will be slow under significant load levels.

Response time will gradually improve over a period of time.

Response time will be slow under significant load levels.

The size of the database will gradually decrease.

What should be captured for batch processing performance metrics?

Average percentage of network latency

Number of concurrent virtual users

What is an advantage of aggregating the results of performance testing?

It is easier for stakeholders to draw a correct conclusion from aggregated results.

Aggregated results provide more detail and allow for a more complete analysis of the test.

Testing is expedited when the results are aggregated.

It is easier for stakeholders to draw a correct conclusion from aggregated results.

Aggregated results show when testing has been completed.

Which of the following is an advantage of using performance monitoring tools?

They proactively compile metrics from server logs.

They can prevent malicious behavior.

They proactively compile metrics from server logs.

They more easily identify and report multi-threading problems.

They can proactively detect denial-of-service (DoS) attacks.

Which of the following is usually identified by a performance test?

Failure to meet accessibility requirements

Which of the following is a typical performance risk associated with mobile, browser-based, and embedded real-time architectures?

Unexpected loads due to API accessibility

Which of the following is a typical performance risk associated with mainframe architectures?

Inconsistent loads when accessed via APIs

You are managing a project that is testing a system that manages a newly redesigned jet engine for heavy aircraft. Given the fact that this engine is specifically engineered to reduce noise, it is important that the software maintains enough thrust for lift for a period of 5 minutes without exceeding 87.5dB. The software must achieve this independent of other internal systems such as fuel or navigation management.Given the risk for the ability of the aircraft to meet the noise abatement regulations while still being able to fly, when is the optimum time in the software lifecycle to apply the performance testing?

Preferably during each phase in the lifecycle

Preferably at the end of system testing

Preferably during system integration testing

Preferably at the end of unit testing

You are heading the testing effort for a system that manages the air/fuel ratio of direct-injection fuel devices built specifically for high-altitude rescue helicopter engines. At altitude, the system must be able to perform in order to make enough air/fuel ratio adjustments per millisecond between fuel and both an on-board source and available ambient air in order to prevent an engine stall due to oxygen starvation. The system is following a sequential development lifecycle.For this safety-critical software, when is the appropriate point in the lifecycle to identify and define the performance goals?

During the requirements phase when the business stakeholders have the opportunity to agree

After test readiness has been achieved, but before system testing starts

During the requirements phase when the business stakeholders have the opportunity to agree

At the very beginning of the project during the concept stage

During the software design phase when the requirements are set and the design is being defined

Stakeholders were unhappy with previous performance test results, which indicated that the adjustments were not made fast enough and engine stall was probable. The developers have now made changes that they believe will significantly improve the performance of the adjustments.What should you do to ensure the performance test objectives have been properly defined before you run the next set of performance tests?

Understand the delta between the results from previous performance tests and the results from the expected performance improvements.

Adjust stakeholder expectations to be more aligned with the reality of the previous test results.

Realign performance test objectives with business stakeholders to meet project milestone dates.

Realign performance test objectives with all stakeholders to meet time-to-market goals.

Which of the following should be a key part of your test acceptance criteria in your performance test plan?

Highlighting any technical differences in the hardware between the test environment and the production environment

Convincing technical and business stakeholders to provide realistic performance goals for the regional servers

Describing the system under test in order to provide context to the metrics

Highlighting any technical differences in the hardware between the test environment and the production environment

Documenting previously baselined performance metrics in order to compare these to the new performance measurements

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?

The risks that may exist due to platform differences between the test environment and the production environment

Established HTTP response per second goals that will have acceptable minimum, maximum, and average response times

A test plan that includes specific technical specifications for the computing hardware to be used for performance testing

A comprehensive list of support staff to be available during performance testing, including key members of the application development team

The risks that may exist due to platform differences between the test environment and the production environment

Which of the following can provide measurements for both individual and aggregated elements within a single performance test?

Measuring underlying transactions

What is the primary purpose of a load generator?

Simulate user behavior in accordance with the defined operational profile

Create a steady and consistent background load on the system

Simulate user behavior in accordance with the defined operational profile

Record and analyze the behavior of the system as it is executing the prescribed tests

Support root cause analysis when performance degradation is encountered

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 constructing an operational profile that emulates entities that submit large, bulk orders of greater than or equal to 1600 tires per transaction. You feel the profile you are constructing accurately reflects this type of power purchaser.Which of the following steps must you take to ensure your operational profile is accurate?

Review and adjust the profile with key stakeholders prior to using it.

Execute the performance test with the operational profile and adjust the parameters as needed.

Review and adjust the profile with key stakeholders prior to using it.

Aggregate the specific operational profiles into a single generic profile and use that generic profile for load testing.

Based on the power purchaser information, create operational profiles for low and medium purchasers and use equal proportions of those profiles during the testing.

At what point during performance testing does monitoring with the load testing tool begin?

Simultaneously with test execution.

Immediately after test execution.

Simultaneously with test execution.

Which of the following is a key challenge when testing applications in a cloud environment?

Limited ability to control test execution timing

Inability to generate significant load

Lack of user behavior simulation tools

Test execution speed being too high

Which of the following is a major contributor to unreliable performance projections?

Differences in the hardware between the test and production environments

Redundancy between the test and production environments

Disagreement between the technical and business stakeholders during analysis

Differences in the hardware between the test and production environments

Business stakeholders setting unrealistic performance goals

Why is it important to specify how failures are handled during test execution?

To ensure that new failures are not introduced

To meet the expectations of the business stakeholders

To ensure that new failures are not introduced

To ensure all defects are captured

To minimize distractions during testing

Which of the following is considered a characteristic of stress testing?

It evaluates the system's ability to handle loads beyond its design limits.

Considers the system's ability to recover from a sudden increase of loads within the system's limits.

It focuses on the system's ability to handle transactions over a specific timeframe.

It determines the maximum number of transactions a system can handle.

It evaluates the system's ability to handle loads beyond its design limits.

You have run a load test. When examining the metrics, you see that the virtual users experienced many timeouts and excessive wait times. The system throughput metrics exceeded expected results, even during peak times.Based on your analysis, what conclusion should you draw?

Network infrastructure should be investigated.

Virtual users are exhibiting impatient behavior.

Which of the following is typically the result of oversaturation of system resources during performance testing?

Response time will be slow under significant load levels.

Response time will gradually improve over a period of time.

Response time will be slow under significant load levels.

The size of the database will gradually decrease.

How does a load management console aid performance testing?

It provides reports and graphs for analysis.

It enables senior management to monitor testing.

It provides reports and graphs for analysis.

Which of the following is a key reason to include ramp-up and ramp-down periods in a performance test?

To simulate a more realistic user load pattern and avoid sudden system stress

To ensure virtual users complete their transactions within a defined time window

To simulate a more realistic user load pattern and avoid sudden system stress

To provide a buffer for slow-performing transactions to complete

To guarantee that all virtual users remain active throughout the test duration

Which of the following is the best description of spike testing?

It focuses on the ability of the system to respond to quick and extreme changes in load.

It focuses on the ability of the system to handle loads that are gradually increased to reach the expected maximum.

It focuses on the ability of the system to handle loads that are at or beyond the expected peak load.

It focuses on the ability of the system to meet future efficiency requirements.

It focuses on the ability of the system to respond to quick and extreme changes in load.

What challenge must be considered when using crowds to emulate load generation?

The load generation will be difficult to reproduce.

The load generation method is less sensitive to changes in the system under test.

This type of load generation is more suitable for mainframe applications.

This technique is more precise than other methods of load generation.

Which of the following is a best practice to include in performance test scripts when verifying results?

Verify that correct information was added to the database.

Increase the number of scripts executed to provide greater coverage.

Verify that correct information was added to the database.

Add transaction timers to collect response times.

Hold the development team accountable for system performance.

Which of the following could lead to inconsistent performance test results?

Virtual users running the same script while logged in as the same user.

Concurrent scripts running and attempting to access the same data.

Sequential scripts running and attempting to access the same data.

Virtual users running the same script while logged in as the same user.

Expected results were not verified with senior management.

ISTQB CT-PT Practice Test 1 - Free Online Exam Questions 1-40

Question 1 / 40

During which of the principal performance testing activities are the building blocks for larger, more complex tests created?

During test completion

During test planning

During test design

During test implementation

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