Experian Interview Questions, Process, and Tips

Q1. Best practices while integrating SAST in CI/CD?
Ans. 
Implementing SAST in CI/CD requires careful planning and integration to ensure security vulnerabilities are caught early in the development process.
• Integrate SAST tools directly into the CI/CD pipeline to scan code automatically during the build process.

• Set up alerts and notifications for developers to address security findings promptly.

• Regularly update SAST tools and configurations to keep up with new vulnerabilities ...read more
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Q2. How would you deal with developer push back for security issues?
Ans. 
Address concerns with empathy, provide education on security risks, offer solutions, collaborate on finding a compromise.
• Listen to their concerns and understand their perspective.

• Educate them on the potential security risks and consequences of not addressing the issues.

• Offer alternative solutions or workarounds that meet both security and development needs.

• Collaborate with the developers to find a compromise that ensur
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Java coding questions, basic Java questions.

Q1. Java basics questions.
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Q2. Live coding.
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Q1. Discussion on previous experience and projects.
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Q2. System design question
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Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
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Q2. Interview discussion with the whole team.
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Q1. Benefits discussion.
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Q2. Salary discussion.
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SQL Joins and Window functions in SQL
Asked about Stored Procedures and implementations
Tableau LOD's
Tableau Parameters

Q1. Code singleton design pattern in java
Ans. 
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
• Create a private static instance of the class

• Provide a public static method to access the instance

• Ensure the constructor is private to prevent instantiation of multiple objects
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Q2. 2 sum in java
Ans. 
2 sum problem in Java involves finding two numbers in an array that add up to a specific target value.
• Use a HashMap to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element's complement exists in the HashMap.

• Return the indices of the two numbers that add up to the target value.
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Q3. How to make a class immutable
Ans. 
To make a class immutable, ensure that its state cannot be changed after instantiation.
• Make all fields private and final

• Do not provide setter methods

• Ensure that any mutable objects within the class are also made immutable
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Q4. Async annotation
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Q5. Spring-starter dependencies
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Q1. What is cyclomacic complexity
Ans. 
Cyclomatic complexity is a software metric used to measure the complexity of a program.
• It measures the number of linearly independent paths through a program's source code.

• It helps in identifying complex code that may be difficult to maintain or test.

• A higher cyclomatic complexity indicates a higher risk of errors and bugs in the code.

• It is calculated using the formula: E - N + 2P, where E is the number of edges, N is ...read more
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Q2. Simple output questions based on inheritance
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Q3. OWASP top 10 security vulnerabilities
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