Creditsafe System Engineer Interview Questions and Answers

Q1. Streams api calculate second highest salary
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Q2. Internal working of hashmap
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Q3. Pass by value pass by reference concept based output
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Q1. What is current role
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Q2. What is expected salary
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Q1. Design patterns
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Q2. Sql interview questions
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Q1. Case study about the given requirement
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Q2. Springboot basic questions
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Q1. Explain lambda expression
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Lambda expression is a concise way to represent an anonymous function in programming languages.
• Lambda expressions are used to create functions without a name.

• They are often used in functional programming languages like Python and Java.

• Lambda expressions can take parameters and return a value.

• Example: (x, y) -> x + y is a lambda expression that takes two parameters and returns their sum.
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Q2. Why hibernate is better then jdbc
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Hibernate is better than JDBC due to its object-relational mapping capabilities, automatic table creation, and improved performance.
• Hibernate provides object-relational mapping (ORM) which simplifies database interactions by mapping Java objects to database tables, eliminating the need for manual SQL queries.

• Hibernate can automatically generate SQL queries based on the Java objects, reducing the amount of code that nee...read more
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Q1. Filter names from a list that starts with A
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Filter names starting with A from a list of strings
• Iterate through the list of strings

• Check if each string starts with 'A'

• Add the string to a new list if it starts with 'A'
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Q2. White query parameter and path variable
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Devlopment in working

Assignment in work based

Coading A re Working based

Q1. Who is technical problem?
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A technical problem is an issue or challenge related to the functionality or performance of a system or technology.
• Technical problems can arise from software bugs, hardware malfunctions, network issues, or compatibility issues.

• Identifying and troubleshooting technical problems often requires a systematic approach, such as using diagnostic tools or following a step-by-step process.

• Examples of technical problems include ...read more
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Q2. Computer technical problem
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Q3. Working technical
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Q4. Technical problem A re worked
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Q5. Always computer working time problem?
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Q6. Incomplete daily work on technical problem
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There were a total of seven sections: verbal ability, logical reasoning, arithmetic problems, verbal reasoning, puzzles, pseudocodes, and essay writing, with each section having its own cutoff scores.

Q1. What is the SQL query to retrieve the person with the highest salary?
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Q2. Can you describe the projects you have worked on?
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Q3. Write a query to merge 2 tables?
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Q4. Tell me about the internship that you have done?
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Q5. Behavioural questions
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There are two main sections: foundation and advanced. The foundation section consists of three subsections: quantitative, reasoning, and verbal. If you pass the foundation section but do not clear the advanced section, you will be considered for either the ninja role or the digital role during the interview process. The advanced section includes advanced aptitude questions and two coding questions.

Q1. Can you provide an introduction about yourself?
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Q2. 3 to 4 questions based on database
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Q3. 2 easy coding questions
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Q4. Questions based on technology that I knew
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Q5. Situation based questions
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Q1. Recent challenges faced recent times
Ans. 
The recent challenges faced in the field of System Engineering include adapting to remote work, cybersecurity threats, and managing complex systems.
• Adapting to remote work due to the COVID-19 pandemic

• Increased cybersecurity threats and the need for enhanced security measures

• Managing complex systems with evolving technology and integration challenges
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Q2. How to troubleshoot DB errors
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Troubleshooting DB errors involves identifying the root cause, checking logs, verifying configurations, and testing queries.
• Identify the specific error message or behavior

• Check database logs for any relevant information

• Verify database configurations and settings

• Test the problematic queries to isolate the issue

• Consider recent changes or updates that may have caused the error
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Q3. How to troubleshoot performance related error
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To troubleshoot performance related errors, analyze system logs, check resource utilization, identify bottlenecks, and optimize configurations.
• Analyze system logs for any error messages or warnings related to performance issues

• Check resource utilization such as CPU, memory, disk, and network usage

• Identify bottlenecks in the system that may be causing performance degradation

• Optimize configurations such as adjusting sett...read more
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Q4. How to handle P1 tickets
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P1 tickets are high priority issues that require immediate attention and resolution.
• Acknowledge the ticket immediately to show the user that their issue is being addressed

• Assess the severity of the issue and prioritize accordingly

• Communicate with the user regularly to provide updates on the progress

• Involve necessary stakeholders or teams to expedite resolution

• Ensure proper documentation of the issue and resolution step
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Aptitude ,reasoning and english

Medium level.of coding

Q1. Tell about yourself
Ans. 
I am a dedicated System Engineer with a strong background in network infrastructure and troubleshooting.
• Experienced in designing, implementing, and maintaining network systems

• Proficient in troubleshooting hardware and software issues

• Skilled in scripting languages such as Python and PowerShell

• Certified in Cisco networking technologies

• Strong communication and problem-solving skills
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Q2. Technical qns on java and the concepts in OOPS
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