CTTI Interview Questions and Answers

Equivalence partitioning is a technique used in software testing to divide input data into groups that are expected to exhibit similar behavior.

• Dividing input data into groups that are expected to behave similarly

• Testing only one input from each group

• Examples: age groups, income brackets, product categories

A software quality assurance engineer is responsible for ensuring the quality of software products by testing, identifying defects, and implementing improvements.

• Creating test plans and test cases

• Executing test cases and reporting defects

• Performing regression testing

• Conducting automated testing

• Collaborating with developers to resolve issues

• Ensuring compliance with quality standards and regulations

Sanity testing is a type of software testing that checks whether the basic functionalities of the application are working or not.

• It is a subset of regression testing

• It is performed after receiving a software build to ensure that the critical functionalities are working fine

• It is a quick and shallow testing process

• It helps to identify defects early in the development cycle

• Example: Checking if the login page is working after a new feature is added

Smoke testing is a preliminary testing technique to check if the software build is stable enough for further testing.

• It is a quick and shallow testing technique

• It is performed to ensure that the critical functionalities of the software are working fine

• It is usually done after a new build is released

• It helps in identifying major issues early in the testing cycle

• Example: Checking if the login page is working after a new build is released

Array is a fixed size data structure while array list is a dynamic size data structure.

• Array is a basic data structure in programming with a fixed size.

• Array list is a dynamic data structure that can grow or shrink in size.

• Array elements are stored in contiguous memory locations.

• Array list elements are stored in non-contiguous memory locations.

• Array list allows insertion and deletion of elements at any position.

• Array does not allow insertion or deletion of elements once it is...read more

I would identify the root cause, prioritize the issue based on impact, collaborate with the team to find a solution, and document the resolution.

• Identify the root cause of the testing issue

• Prioritize the issue based on its impact on the project

• Collaborate with the team to brainstorm and find a solution

• Document the issue, steps taken to resolve it, and the final resolution

Risk analysts assess and identify potential risks that may impact an organization's financial standing or reputation.

• Risk analysts evaluate potential risks and their impact on an organization

• They use statistical analysis and modeling to predict future risks

• They develop strategies to mitigate risks and minimize potential losses

• Examples of risks analyzed include market fluctuations, regulatory changes, and cybersecurity threats

Hashmap stores key-value pairs while hashset stores only unique values.

• Hashmap allows null keys and values while hashset doesn't allow null values.

• Hashmap uses key to retrieve value while hashset uses value itself to retrieve.

• Example: Hashmap - {1:'one', 2:'two'}, Hashset - {'one', 'two', 'three'}