Software Testing Questions

Q:

Configuration management is not concerned with

A) maintaining versions of software B) controlling documentation changes
C) controlling changes to the source code D) choice of hardware configuration for an application
 
Answer & Explanation Answer: D) choice of hardware configuration for an application

Explanation:

Configuration management is not concerned with the choice of the hardware configuration for an application.

 

Configuration management is concerned with the development of procedures and standards for cost-effective managing and controlling charges in an evolving s/w system.

It includes

1)software versions maintenance

2)controlling changes in documentation

3)controlling changes to the source code

4) management activities

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Q:

Explain a.) Quality Assurance b.) Quality Control c.) Test Case d.) Test Condition e.) Test Script f.) Test Data g.) Test Bed

Answer

a.) Quality Assurance


Quality assurance is an activity that establishes and evaluates the processes that produce products. Quality assurance would measure processes to identify weaknesses and then correct them to continually improve the process: Eg. Code review.


b.) Quality Control


Quality control is a process in which the product's quality is compared with standards and corrective actions taken if required. Quality control activities focus on identifying defects in the actual products produced. Eg. Testing.


c.) Test Case


A test case is a unit level document describing the inputs, steps of execution and the expected result of each test condition for every requirement from the BRD. Testers determine whether the application is working correctly or not based on the test case that is being executed. A test case is marked as "Pass" if the application works as expected and is marked as "Fail" if otherwise. Test cases also aide in generating test status metrics.


d.) Test Condition


Test condition is the condition on which the test execution evaluates to pass or fail. Eg of a test condition: Set Password field should accept a mix of Alphanumeric and Special characters on mandatory basis and throw error message otherwise.


e.) Test Script


Test script is the set of instructions performed on the application to verify its functions.


f.) Test Data


Test data is the input data used to test a particular functionality. Eg: Username and password to test a login screen.


g.) Test Bed


Test bed is the environment on which the testing is done and includes the software and hardware set up that is required for testing the application.

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Q:

What are the key challenges of software testing?

Answer

Key Challenges of s/w testing:


1. Testing considered late in project


2. Requirements not testable


3. Integration is done after all components have been developed: This might result into full testing not being covered.


4. Complete testing is not possible

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Q:

Component Testing is also called as

component_testing_is_also_called_as1542088267.jpg image

A) Unit testing B) Module testing
C) Program testing D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Component Testing is also called as Module or Unit or Program testing. It is testing of all the components in an application separately.

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Q:

Data flow analysis studies

A) The use of data on paths through the code B) Possible communications bottlenecks in a program
C) The intrinsic complexity of the code D) The rate of change of data values as a program executes
 
Answer & Explanation Answer: A) The use of data on paths through the code

Explanation:

Data flow analysis studies the use of data on paths through the code.

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Q:

What's the role of CMM Level in Testing?

Answer

Capability Maturity Model (CMM) is a model of 5 levels of process 'maturity' that determine effectiveness in delivering quality software. The 5 levels of CMM are described as below:


Level 1: Initial: - characterized by chaos, periodic panics, and heroic efforts required by individuals to successfully complete projects. Very few or none of the processes are in place.


Level 2: Repeatable: - Software Project Tracking, Requirements Management, Realistic Planning and Configuration Management Processes are in place; successful practices can be repeated.


Level 3: Defined: - Standard Software Development and Maintenance Processes are integrated throughout an organization. A Software Engineering Process Group is in place to oversee software processes, and training programs are used to ensure understanding and compliance.


Level 4: Managed: - Metrics are used to track productivity, processes, and products. Project performance is predictable, and quality is consistently high.


Level 5: Optimizing: - The focus is on continuous process improvement. The impact of new processes and technologies can be predicted and effectively implemented when required.


Any organization can start from any level, but its motto is to reach level 5; where the focus is continuous process improvement. By doing this, high quality s/w delivery is assured.


From this, we can see that the whole essence of CMM or CMMI is to produce quality software. It targets the whole organizational practices (or processes), which are believed to be the best across industries. Testing is part of Quality Assurance. CMM levels play an important role in an organization’s Quality Assurance effort. Thus testing plays an important role in determining CMM level.

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Q:

What is the role of QA in a project development?

Answer

The word assurance means ‘guarantee’. So the Quality Assurance Group’s role is to guarantee that the product is of high quality. They examine the overall s/w development process and their responsibility is to create and enforce standards and methods to improve it with the goal of preventing bugs from ever occurring.

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Q:

What methodologies have you used to develop test cases?

Answer

 I have used following 4 types of Methodologies: 


 


1. Boundary value analysis   


2. Equivalence partitioning   


3. Error guessing   


4. Cause effect graphing

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