40 Questions
What is the primary benefit of static testing in software development?
To prevent defects from being introduced in the first place
What is the limitation of dynamic testing?
It may not cover all possible scenarios, inputs, or paths
What is the purpose of static testing in software development?
To improve the quality of the software or system
What is the benefit of combining static testing with dynamic testing?
To identify defects that static testing may miss
What does the Y-axis represent in the given testing metrics chart?
Count
What does Line A represent in the given testing metrics chart?
Number of open bugs
What is the importance of considering both static and dynamic testing?
To ensure quality of the software or system
What is the wrong decision made by a test manager?
To rely solely on dynamic testing
What is the primary objective of continuous integration in software development?
To reduce the time between defect introduction and detection
What is required for a customer to be eligible for a room upgrade in the hotel system?
A Preferred Guest Card holder
What is the expected result for Customer A, a Preferred Guest Card holder with a Silver room?
Upgrade to Gold Luxury room
What is the expected result for Customer B, a Non-Preferred Guest Card holder with a Platinum room?
No upgrade offered
What is the highest level of luxury in the hotel room hierarchy?
Platinum
What is the purpose of continuous integration in software development?
To reduce the time between defect introduction and detection
What is the criteria for a customer to be eligible for a room upgrade?
Being a Preferred Guest Card holder
What is the primary benefit of continuous integration in software development?
Reduced risk of accumulating defects
What is the primary reason to have cost as an exit criterion for testing?
To avoid spending too much money on testing that may result in an unprofitable product
What is the primary purpose of configuration management?
To ensure the consistency of a product's performance
What is the benefit of configuration management in testing?
It supports testing by providing traceability, consistency, and control over test artifacts
What is the main goal of testing as an investment in software development?
To improve the quality and reliability of the software product
Why is it important to consider other exit criteria besides cost for testing?
Because cost may not reflect the true quality and risk level of the software product
What is the primary goal of testing by use cases?
To specify the functional requirements of a system
What type of system is most suitable for testing by use cases?
A navigation system that involves a high level of interaction between the user and the system
How can the financial value of product quality be estimated?
All of the above
What is the consequence of spending too much money on testing?
An unprofitable product or a loss of competitive advantage
What is the primary benefit of using use cases in testing?
It helps to specify the functional requirements of a system
What is the primary purpose of having cost as an exit criterion for testing?
To avoid spending too much money on testing
What is the primary goal of testing a navigation system?
To test the accuracy and usability of the system
Why is cost a important factor in testing?
Because it is one of the factors that affects the profitability and feasibility of the software product
What is the primary difference between testing a navigation system and testing an anti-virus package?
The level of interaction between the user and the system
What should be considered in the test plan besides cost?
Defect rate, test coverage, user satisfaction, etc.
What is the primary benefit of using configuration management in software development?
It helps to ensure consistency and control over software items
Why is cost an invalid exit criterion for a testing project?
Cost depends on the scope, complexity, and context of the software product and the testing project.
What is characteristic of tests at the bottom layer of the test pyramid?
They are more focused, isolated, and atomic.
Why are tests at the top layer of the test pyramid slower?
They cover larger pieces of functionalities, such as user interfaces, workflows, or end-to-end scenarios.
What is the primary benefit of tests at the bottom layer of the test pyramid?
They are easier to maintain and execute.
What is the primary difference between tests at the top and bottom layers of the test pyramid?
Tests at the top layer are slower, while tests at the bottom layer are faster.
Why are tests at the top layer of the test pyramid more complex?
They cover larger pieces of functionalities, such as user interfaces, workflows, or end-to-end scenarios.
What is the primary benefit of using metrics to measure testing costs?
It provides an effective way to measure the cost of testing.
Why is Option C an incorrect statement about testing?
Because going by cost as an exit criterion does not necessarily constrain the testing project or help achieve the desired quality level.
Study Notes
Static Testing
- Finds defects early in the development process, reducing the cost and difficulty of fixing them later.
- Improves software quality by preventing defects from being introduced.
- Complements dynamic testing, which involves executing the software and checking results against expected outcomes.
Dynamic Testing
- Finds defects that static testing may miss, such as performance, usability, or integration issues.
- Not sufficient on its own to ensure quality, as it may not cover all possible scenarios, inputs, or paths.
Testing Metrics
- The chart represents metrics related to testing of a completed project.
- X-axis represents Time.
- Y-axis represents Count.
- Line A represents the Number of open bugs.
- Line B represents the Total number of executed tests.
Continuous Integration
- A practice that supports shift-left in testing, involving frequent integration and testing of software components.
- Reduces the time between the introduction of a defect and its detection, reducing the cost to fix it and the risk of accumulating defects.
Decision Table
- Defines the upgrade eligibility for a room upgrade system.
- A Preferred Guest Card holder with a Silver room is eligible for an upgrade to Gold Luxury.
- A non-Preferred Guest Card holder, regardless of room type, is not eligible for an upgrade.
Configuration Management
- Helps ensure that all relevant project documentation and software items are uniquely identified in all their versions.
- Supports testing by providing traceability, consistency, and control over the test artifacts and the software under test.
Use Cases
- Suitable for testing applications that involve a high level of interaction between the user and the system, such as a new navigation system.
- Helps to specify the functional requirements of the system, such as entering a destination, selecting a route, and following directions.
Cost as an Exit Criterion
- Cost can be regarded as an exit criterion for testing, as it affects the profitability and feasibility of the software product.
- Helps to avoid spending too much money on testing, which may result in an unprofitable product.
- Should not be the only exit criterion, as it may not reflect the true quality and risk level of the software product.
Test Pyramid
- The tests at the bottom layer of the pyramid run faster than the tests at the top layer.
- The tests at the bottom layer are more focused, isolated, and atomic, testing individual units or components of the software system.
Learn about the benefits of static testing in software development, including defect prevention and quality improvement. Understand how it complements dynamic testing.
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