Fiserv Quality Engineer Interview Questions and Answers

Q1. What is collection framework
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Collection framework is a unified architecture for representing and manipulating collections of objects in Java.
• It provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) to store and manipulate groups of objects.

• Collections framework simplifies the process of storing, retrieving, and manipulating data in Java programs.

• It allows developers to work with collections of objects in a consistent and e...read more
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Q2. What is data driven testing
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Data driven testing is a testing approach where test cases are created based on data from external sources.
• Test cases are designed based on input data and expected output data

• Allows for testing multiple scenarios with different data sets

• Reduces the need for manual intervention in test case creation and execution
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Q1. Job profile related questions
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Q1. Level 2 IT support Engineer questions
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Q2. Brief explanation about L2 level of work
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L2 level of work involves intermediate level tasks and responsibilities in a specific field or domain.
• L2 work requires a deeper understanding and expertise compared to L1 work.

• It involves troubleshooting and resolving complex issues.

• L2 engineers often provide support and guidance to L1 engineers.

• They may be responsible for implementing and maintaining systems or processes.

• L2 work requires strong problem-solving and ana...read more
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Q1. L2 practical questions
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Q2. Brief explanation about experience
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Q1. Pl sql Unix api configuration
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Q2. Routing how to use proxy
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Routing through a proxy involves configuring the proxy server to forward requests to the destination server.
• Configure the proxy server to listen for incoming requests

• Configure the proxy server to forward requests to the destination server

• Configure the client to use the proxy server for outgoing requests

• Use a proxy server to bypass network restrictions or improve performance

• Examples: Nginx, Apache, Squid
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Q1. Machine learning and Java programming questions
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Hacker rank long coding questions with questions for python,c++,javascript , data bast related questions

Q1. Javascript related some coding questions and some data base related
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