Certination Interview Questions and Answers

It sounds like you might be asking for an aptitude test that has 20 questions or characters, possibly for a job application. Aptitude tests for jobs usually focus on assessing your ability to think logically, solve problems, and apply basic skills in areas like math, reasoning, and verbal abilities.

Here’s an example of 20 sample aptitude test questions, covering different types of skills:

1. Numerical Aptitude

What is 15% of 200?

If a car travels 60 miles in 1 hour, how far will it travel in 5 hours at the same speed?

Solve for x: 2x + 5 = 15.


2. Logical Reasoning

What comes next in the sequence: 2, 4, 8, 16, ___?

If all roses are flowers and some flowers are red, are all roses red?

Which number is the odd one out: 3, 5, 9, 7?


3. Verbal Ability

Find the synonym of "quick": a) slow, b) fast, c) steady, d) loud

Choose the correct sentence: "She don't like apples" or "She doesn't like apples?"

Find the antonym of "bright": a) shiny, b) dull, c) happy, d) light


4. Data Interpretation

If a graph shows sales increasing by 20% each month, how much is the increase in the 3rd month if sales were $100 initially?

The pie chart below shows the distribution of monthly expenses. If the rent is 25%, how much is the rent if the total is $1200?


5. Spatial

A sequence was provided: 4181, 2684, 1597, 987, 610.
first 2 are given and write code for other value calculation using java 8

The second question required writing a reverse of a palindrome using both Java 8 streams. I was able to successfully write both and clear the first round.

Q1. Interviewer was himself not knowing anything as it was walkin drive he was sitting infront of me and checking questions on phone Introduction that he inturrepted in between when I was introducing myself
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Q2. What are the features of Java 17, specifically related to sealed classes, including their syntax and necessity, along with the potential errors encountered when invoking a sealed class?
Ans. 
Java 17 introduces sealed classes to restrict inheritance and improve code maintainability.
• Sealed classes are declared using the 'sealed' keyword followed by the permitted subclasses.

• Subclasses of a sealed class must be either final or sealed themselves.

• Errors may occur when trying to extend a sealed class with a non-permitted subclass.
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Q3. Java 8 feathers stream api, functional interface, Intermittent operator ,Ternary operator, Prediction,Bi predicate. Answered all successfully
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Q4. Draw low level design of implementation of notify me if item is back in stock in a ecommerce application
Ans. 
Implementation of 'notify me if item is back in stock' feature in an ecommerce application
• Create a database table to store user notifications for out-of-stock items

• Implement a service to check item availability and send notifications to subscribed users

• Provide a user interface for users to subscribe to notifications for specific items
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Q5. All design patterns which I know. Asked me to implement adapter pattern on paper
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Q6. Then given a problem that concurrent way perform operation on excell to decrease the response time
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Q1. Good communication with our team and my colleagues
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Q2. Need improve my skills and strictly fallow up our EHS values
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Q3. Target is more important in your life, keep doing work unless get your unreachable targets.
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Q4. Good behaviour build your team and save ethics.
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Q1. Asking introduction and tools
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Q2. Asking command and down Time
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Q1. Introduce yourself
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Q2. How will you handle disputes in the team?
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Q3. Explain your projects
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Q4. Why you want to work as Manager although your degree is in Electrical Engineering
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Q5. Which operation do you think are costly in the Delhivery Last mile, First mile, Middle , Transportation etc ?
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Q6. What you have managed in College?
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Q1. Introduce yourself
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Q2. Explain your projects
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Q3. Why you want to join Delhivery as a Manager although you are from Electrical Engineering department?
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Q4. How will you unload vehicles? What factors will you consider while unloading?
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Q5. Suppose you are managing a team of 20 people and 10 are absent what actions will you take ?
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Q6. Any Questions you want to ask
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Basic quant and reasoning questions
Selenium MCQ
Java programs with MCQ

Q1. Tell me about yourself
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Q2. Where you initialise driver
Ans. 
The driver is typically initialized in the setup method of a test automation framework.
• Driver initialization is usually done in a setup method before test execution.

• Commonly used methods for driver initialization include WebDriverManager, System.setProperty, and driver instantiation.

• Example: WebDriverManager.chromedriver().setup();
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Q3. Driver is static or non static
Ans. 
Driver can be both static and non-static depending on the context of its usage.
• Driver class can be static if it is used to initiate the WebDriver instance in a test automation framework.

• Driver class can be non-static if it is used as an instance variable within a test class.

• Static driver can be accessed directly without creating an object of the class.

• Non-static driver requires an object of the class to be created befo
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Q4. Difference between static and non static
Ans. 
Static variables belong to the class itself, while non-static variables belong to instances of the class.
• Static variables are shared among all instances of a class

• Non-static variables are unique to each instance of a class

• Static variables are initialized only once, at the start of the program

• Non-static variables are initialized separately for each instance of the class
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Q5. Disadvantages of static and non static
Ans. 
Static and non-static have their own disadvantages in QA automation testing.
• Static methods cannot be overridden or inherited, making it difficult to create flexible test cases.

• Non-static methods require an instance of the class to be created, which can lead to increased memory usage.

• Static methods can lead to tight coupling between classes, making it harder to maintain and update the code.

• Non-static methods may have de...read more
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Q6. Parallel execution in TestNG
Ans. 
TestNG allows parallel execution of test cases to save time and improve efficiency.
• TestNG provides the 'parallel' attribute in the testng.xml file to specify the level of parallelism for test execution.

• Parallel execution can be achieved at the test level, class level, method level, or suite level.

• TestNG also supports parallel execution of tests across multiple classes or suites using the 'parallel' attribute in the sui...read more
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Q7. Write the code for Parallel testing in TestNG
Ans. 
Parallel testing in TestNG allows running tests concurrently for faster execution.
• Use 'parallel' attribute in testng.xml file to specify parallel execution mode.

• Set 'parallel' attribute to 'methods', 'classes', or 'tests' based on the level of parallelism needed.

• Example: <suite name='MySuite' parallel='tests'>

• Use 'thread-count' attribute to specify the number of threads to use for parallel execution.
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Q8. Difference between parallel methods and parallel tests
Ans. 
Parallel methods run multiple methods concurrently within a single test, while parallel tests run multiple tests concurrently.
• Parallel methods execute multiple methods within a single test class concurrently.

• Parallel tests execute multiple test classes concurrently.

• Parallel methods are useful for speeding up the execution of a single test, while parallel tests are useful for running multiple tests faster.

• Example: Runni...read more
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Q9. Upload file using rest assured
Ans. 
Use Rest Assured to upload a file
• Use the given file path to create a File object

• Use MultiPartSpecBuilder to build the request with the file

• Send the request using Rest Assured's given(), when(), and post() methods
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Q10. Postman basic questions
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Q11. Parameter for post method in postman
Ans. 
The parameter for a POST method in Postman is typically sent in the request body.
• Parameters are sent in the request body in key-value pairs

• Parameters can be sent as form-data, x-www-form-urlencoded, or raw JSON

• Example: {"key": "value"}
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Q12. BDD Framework cucumber
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Q13. Cucumber execution process
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Q14. How cucumber know step defination file placed
Ans. 
Cucumber knows the step definition file based on the annotations provided in the feature files.
• Cucumber uses annotations like @Given, @When, @Then to map steps in feature files to corresponding step definition methods.

• Step definition files are typically placed in a separate package or directory within the project structure.

• Cucumber scans the project directory for step definition files based on the package structure and
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Q15. Parameters used in cucumber
Ans. 
Parameters used in cucumber are used to pass values to the step definitions in feature files.
• Parameters are defined in feature files using < > syntax

• Parameters can be passed to step definitions using Regular Expressions

• Parameters can be used to make scenarios more reusable and dynamic
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Q16. Datatable in cucumber
Ans. 
Datatable in Cucumber is used to pass multiple sets of data to a step definition in a scenario.
• Datatables are defined using pipes (|) to separate values

• Each row in the datatable represents a set of data passed to the step definition

• Datatables can be used for parameterization and data-driven testing
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Q17. Have u created the testplan document when porject was started
Ans. 
Yes, I have created the test plan document at the start of the project.
• Yes, I always create a test plan document at the beginning of a project to outline the testing approach and strategy.

• The test plan document includes details on scope, objectives, resources, schedule, and test cases.

• It helps in ensuring that all stakeholders are aligned on the testing process and expectations.

• For example, in my previous project, I cr...read more
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Q18. Testing cycle when project was on initial level
Ans. 
During the initial testing cycle of a project, focus is on establishing test cases, setting up test environments, and identifying potential issues.
• Creating test cases based on requirements

• Setting up test environments

• Identifying potential issues and risks

• Executing test cases and reporting defects

• Collaborating with developers to resolve issues
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Q19. Risk management and risk based testing
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Q20. Which estimate technique you follow , if fibonacci then why it is in 1 2 3 5 8 13 ?? Not in 12345678
Ans. 
Fibonacci sequence is a mathematical pattern where each number is the sum of the two preceding ones.
• Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones.

• The sequence starts with 1, 2, then each subsequent number is the sum of the two previous numbers (1+2=3, 2+3=5, 3+5=8, and so on).

• This sequence is used in estimating because it reflects natural growth patterns found in natur
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Q21. What is testing matrix and automation ROI
Ans. 
Testing matrix is a tool used to track test coverage and automation ROI is the return on investment from implementing automation testing.
• Testing matrix is a visual representation of test cases, test scenarios, and their coverage across different platforms, browsers, devices, etc.

• Automation ROI is the measure of the benefits gained from automation testing compared to the costs incurred in implementing and maintaining th...read more
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Q22. Cicd tool
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Q23. Handle team ?
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Bachelor of Commerce degree with a GPA of 6.79 and an accompanying resume.

Q1. Location send Hyderabad komplly
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Q2. Hardwark honest project
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Q3. First introducedy
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Q4. Salarypackge and times
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Q5. Respect to office staff
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Q1. What is ipconf.pl?
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Q2. What is the difference between scan vip & node vip?
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Q1. What is quarantile in Exadata?
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Q2. How to identify the master switch in Exadata?
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Q3. What is spine switch & leaf switch in exadata?
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One of the node of a 3 node cluster is down. Explain the step by step process to troubleshoot the issue.

Shell script & terraform code output was asked.