Zeotap India
Cotiviti Interview Questions and Answers
Q1. 2) A)Search for the string “Error” and “ERROR” in Log Level B) Find Logs Between Two Timestamps C) We don’t want to store the username who has accessed the service. Therefore, let’s remove :: [User1] :: from ea...
read moreTechnical Support Engineer 1 interview question on log analysis
To search for the string 'Error' and 'ERROR' in Log Level, use a regular expression or a log analysis tool
To find logs between two timestamps, use a log analysis tool or filter the logs based on timestamp
To remove the username from each log line, use a regular expression or a log analysis tool
Q2. 1.introduce yourself? 2.how do you rate yourself in Java and SQl? 3.what are the difficult task you faced in last months?
I am a Technical Support Engineer with expertise in Java and SQL.
I have a strong understanding of Java programming language and SQL database management.
I have experience in troubleshooting technical issues and providing solutions to customers.
In the last few months, I faced challenges in resolving complex database issues and optimizing query performance.
I constantly strive to learn and improve my skills to provide the best support to customers.
Q3. 1.write a SQL query to find commissions of more than 12 percent
SQL query to find commissions of more than 12 percent.
Use the SELECT statement to retrieve data from the table.
Use the WHERE clause to filter the data based on the commission percentage.
Use the > operator to filter the data for commissions greater than 12 percent.
Q4. 5.how do you interact with client
I interact with clients by actively listening to their concerns, providing clear and concise solutions, and following up to ensure satisfaction.
Listen actively to client concerns
Provide clear and concise solutions
Follow up to ensure satisfaction
Maintain a professional and courteous demeanor
Communicate effectively through various channels (phone, email, chat)
Empathize with clients and understand their perspective
Q5. 3.Script to convert CSV to json
Script to convert CSV to json
Use a CSV parsing library like csvtojson or papaparse
Loop through the CSV data and convert each row to a JSON object
Write the JSON data to a file or return it as a string
Q6. 2.do you have API calls tool experience
Yes, I have experience with API calls tools.
I have worked with various API tools such as Postman, Insomnia, and Swagger.
I am familiar with RESTful APIs and have experience in making GET, POST, PUT, and DELETE requests.
I have also worked with API documentation and testing.
I am comfortable with troubleshooting API issues and providing solutions.
Q7. Explain how the shuffle happen in the map reduce process(how keys mapped to the reduce)
Shuffle in map reduce process involves transferring intermediate key-value pairs from mappers to reducers based on keys.
During the shuffle phase, the output of the mappers is partitioned and sorted based on keys.
Keys with the same value are grouped together and sent to the same reducer.
The partitioning and sorting process ensures that all values for a particular key are sent to the same reducer.
The shuffle phase is crucial for reducing network traffic and optimizing the overa...read more
Q8. Design Data pipeline for given case of large data
Design a scalable data pipeline for processing large volumes of data efficiently.
Utilize distributed computing frameworks like Apache Spark or Hadoop for parallel processing
Implement data partitioning and sharding to distribute workload evenly
Use message queues like Kafka for real-time data ingestion and processing
Leverage cloud services like AWS S3 for storing and accessing data
Implement data quality checks and monitoring to ensure data integrity
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