ISTQB_CTFL_PT_CH01

Which of the following is an important principle in performance testing?

The tests should be easy to create and understand
The test results must be reproducible when the system under test is unchanged
The tests should be executed in the production environment to provide the most accurate results
The test results should match the stakeholders’ expectations for system performance

Static testing activities for performance can include:
(More options possible)

Reviews of requirements with focus on performance aspects and risks
Reviews of database schemas, entity-relationship diagrams, metadata, stored procedures and queries
Reviews of the system and network architecture
Reviews of critical segments of the system code (e.g., complex algorithms)

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

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

When is it appropriate to generate load via the application’s APIs?

When a large number of testers are available who can represent the real users
When testing must be conducted at the communications protocol level
When the UI is likely to change but the transactions must be processed as if they were created through the UI
When only small numbers of test instances are available

Which of the following is an important principle in performance testing?

Tests must be aligned to the defined expectations of different stakeholder groups, in particular users, system designers and operations staff
The tests should be easy to create and understand
The tests should be executed in the production environment to provide the most accurate results
The test results should match the stakeholders’ expectations for system performance

When is it appropriate to generate load using crowds?

When a large number of testers are available who can represent the real users
When testing must be conducted at the communications protocol level
When the UI is likely to change but the transactions must be processed as if they were created through the UI
When only small numbers of test instances are available

Which of the following is an important principle in performance testing?

The tests must yield results that are both understandable and can be readily compared to stakeholder expectations
The tests should be easy to create and understand
The tests should be executed in the production environment to provide the most accurate results
The test results should match the stakeholders’ expectations for system performance

When is it appropriate to generate load using captured communication protocols?

When a large number of testers are available who can represent the real users
When testing must be conducted at the communications protocol level
When the UI is likely to change but the transactions must be processed as if they were created through the UI
When only small numbers of test instances are available

Which of the following is an important principle in performance testing?

The tests can be conducted, where resources allow, either on complete or partial systems or test environments that are representative of the production system
The tests should be easy to create and understand
The tests should be executed in the production environment to provide the most accurate results
The test results should match the stakeholders’ expectations for system performance

When is it appropriate to generate load via the user interface?

When a large number of testers are available who can represent the real users
When testing must be conducted at the communications protocol level
When the UI is likely to change but the transactions must be processed as if they were created through the UI
When only a small number of users are to be represented and if the required numbers of software clients are available from which to enter required inputs

Which of the following is an important principle in performance testing?

The tests must be practically affordable and executable within the timeframe set by the project
The tests should be easy to create and understand
The tests should be executed in the production environment to provide the most accurate results
The test results should match the stakeholders’ expectations for system performance

If you have an application that has a memory leak, what is the likely result you will see during performance testing?

Response time will be consistently slow
Response time will remain acceptable but the error handling will degrade
Response time will be slow, but only under heavy loads
Response time will degrade over time

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

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

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

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

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

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

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

It focuses on the stability of the system over a time frame specific to the system’s operational context
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 meet future efficiency requirements
It focuses on the ability of the system to respond to quick and extreme changes in load

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

It focuses on the stability of the system over a time frame specific to the system’s operational context
It focuses on the impact of situations where specific actions occur simultaneously
It determines how many users and/or transactions a given system will support and still meet the stated performance objectives
It focuses on the ability of the system to handle loads that are at or beyond the expected peak load

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

It focuses on the stability of the system over a time frame specific to the system’s operational context
It focuses on the impact of situations where specific actions occur simultaneously
It determines how many users and/or transactions a given system will support and still meet the stated performance objectives
It focuses on the ability of the system to handle loads that are gradually increased to reach the expected maximum

Which of the following performance testing activities should occur during unit testing?

Testing end-to-end behavior under various load conditions
Testing data flows and workflows across interfaces
Testing key use cases and workflows using a top-down approach
Testing to evaluate resource utilization and potential bottlenecks

Which of the following performance testing activities should occur during SIT?
(Choose 2 out of 4)

Testing end-to-end behavior under various load conditions
Testing data flows and workflows across interfaces
Testing key use cases and workflows using a top-down approach
Testing to evaluate resource utilization and potential bottlenecks

Which of the following performance testing activities should occur during CIT?

Testing end-to-end behavior under various load conditions
Testing data flows and workflows across interfaces
Testing key use cases and workflows using a top-down approach
Testing to evaluate resource utilization and potential bottlenecks

Which of the following performance testing activities should occur during acceptance testing?

Testing data flows and workflows across interfaces
Testing key use cases and workflows using a top-down approach
Testing to evaluate resource utilization and potential bottlenecks
Testing to build user, customer, and operator confidence in the proper performance of the system and to fine tune the system under real world conditions

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ISTQB_CTFL_PT_CH01

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