Empirical Solutions Test Analyst Interview Questions and Answers

Q1. Tell me about yourself
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I am a dedicated and detail-oriented Test Analyst with a strong background in software testing and quality assurance.
• Over 5 years of experience in testing web and mobile applications

• Proficient in creating test plans, test cases, and executing test scripts

• Skilled in identifying and documenting software defects

• Experience with automated testing tools such as Selenium

• Strong analytical and problem-solving skills
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Q2. Oops concepts & Basic programs with Collection questions
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Q1. Reverse a number
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Reverse a number by converting it to a string and then reversing the characters
• Convert the number to a string

• Reverse the characters of the string

• Convert the reversed string back to a number
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Q2. Reverse a String
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Reverse a given string
• Create a character array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle
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Q1. How to write xpath?
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XPath is a language used for locating nodes in an XML document.
• XPath uses path expressions to select nodes or node-sets in an XML document.

• It can navigate through elements and attributes in an XML document.

• XPath expressions can be used in various programming languages and tools like Selenium for web automation.

• Example: //div[@class='example'] selects all div elements with class 'example'.
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Q2. What is assertion?
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Assertion is a statement that verifies the expected outcome of a test case.
• Assertion is used to validate whether the actual result matches the expected result in a test case.

• It helps in determining the success or failure of a test case.

• Common types of assertions include checking for equality, presence of elements, and error messages.

• Example: Assert.assertEquals(expectedResult, actualResult)
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Questions are easy and Crisp, you need to answer promptly

Q1. Question related to Appium
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Q1. Starting with our experience and contributions in project
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Q2. Data quality checks like duplicate, length , truncation
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Q3. Database data warehouse difference
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Database stores data for applications, data warehouse stores data for analysis.
• Database is used for transactional processing, data warehouse is used for analytical processing.

• Database stores current data, data warehouse stores historical data.

• Database is optimized for read and write operations, data warehouse is optimized for read operations.

• Examples of databases include MySQL, Oracle, and SQL Server. Examples of data ...read more
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Q4. Views tables difference
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Views tables difference
• Views are virtual tables that display data from one or more tables

• Views do not store data, whereas tables do

• Views can be used to restrict access to certain columns or rows

• Tables can be modified directly, whereas views cannot
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Q5. Cast function - to change datatype
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Cast function is used to change the datatype of a value or expression in SQL.
• Syntax: CAST(expression AS datatype)

• Example: CAST('123' AS INT) will convert the string '123' to integer datatype

• Supported datatypes: INT, FLOAT, DECIMAL, CHAR, VARCHAR, DATE, TIME, etc.
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Q6. Datatype of selected columns should remain same or not for minus query?
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Datatype consistency in minus query
• Datatype of selected columns should remain same for minus query

• Mismatch can cause errors or unexpected results
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Q7. Fact dimension difference, snowflake star schema difference
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Q8. Which is better ? Star schema or snowflake schema
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Both have their own advantages and disadvantages depending on the use case.
• Star schema is simpler and easier to understand, but may not be suitable for complex data relationships.

• Snowflake schema is more normalized and can handle complex data relationships, but can be more difficult to understand and maintain.

• The choice between the two depends on the specific requirements of the project and the data being analyzed.

• For ...read more
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Q1. Package negotiation and location preference
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Q1. PERFORANCETESTING
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Q2. FUNCTION USED IN CORRELATION
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Correlation function is used to find the relationship between two variables.
• Correlation function measures the strength of the linear relationship between two variables.

• It returns a value between -1 and 1, where -1 indicates a perfect negative correlation, 0 indicates no correlation, and 1 indicates a perfect positive correlation.

• Examples of correlation functions include Pearson correlation coefficient, Spearman's rank ...read more
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Q3. WHAT IS CORRELATION?
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Correlation is a statistical measure that shows the relationship between two variables.
• Correlation measures the strength and direction of the relationship between two variables.

• It ranges from -1 to 1, where -1 indicates a perfect negative correlation, 0 indicates no correlation, and 1 indicates a perfect positive correlation.

• Correlation does not imply causation.

• Examples of correlated variables include age and income, h...read more
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Q4. TOOLS USED IN PT
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Various tools are used in Penetration Testing (PT) such as Nmap, Metasploit, Burp Suite, Wireshark, etc.
• Nmap is used for network scanning and mapping

• Metasploit is used for exploiting vulnerabilities

• Burp Suite is used for web application testing

• Wireshark is used for network traffic analysis

• Other tools like Nessus, Acunetix, etc. are also used depending on the requirements
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Q5. SOFTWARE TESTING LIFE CYCLE
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Software Testing Life Cycle (STLC) is a process followed to ensure quality in software development.
• STLC includes planning, designing, executing, and reporting phases.

• It starts with requirement analysis and ends with post-release testing.

• STLC ensures that the software meets the specified requirements and is bug-free.

• It involves various types of testing such as unit testing, integration testing, system testing, and accep...read more
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Q1. What is Smoke & Sanity Test
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Smoke test is a quick test to check if the basic functionalities of the application are working, while Sanity test is a focused test to check specific areas of the application after changes.
• Smoke test is a high-level test to check if the critical functionalities of the application are working properly.

• Sanity test is a narrow and deep test to check specific areas of the application after changes.

• Smoke test is usually pe...read more
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