Fiserv Interview Questions, Process, and Tips

Q1. ETL Process details and project overview
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Q2. ETL Process details and sql
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Q3. SQL and project details
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Q1. What is your Last Experienced
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Q2. What is your client base
Ans. 
Our client base consists of a diverse range of industries including technology, healthcare, finance, and retail.
• Clients come from various industries such as technology, healthcare, finance, and retail

• We work with both small businesses and large corporations

• Our clients are located both domestically and internationally
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Q3. How you are handling the clients and services
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I handle clients by building strong relationships and providing exceptional service.
• I prioritize communication and actively listen to clients' needs

• I personalize solutions to meet each client's unique requirements

• I follow up regularly to ensure client satisfaction

• I address any issues promptly and effectively to maintain trust and loyalty

• I continuously seek feedback to improve services and exceed expectations
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Q4. Are you archiving the target as per company norms
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Yes, I am archiving the target as per company norms.
• Yes, I ensure that all sales targets are archived according to company guidelines.

• I maintain detailed records of sales targets achieved and missed.

• Regularly review and update archived targets to track progress and performance.

• Provide reports on archived targets to management for analysis and decision-making.
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Q1. Manager will take face to face interview regarding last product target achievement
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Q2. Are you willing to do open market cold calling job
Ans. 
Yes, I am willing to do open market cold calling as part of my job as a Sales Training Manager.
• I have experience in cold calling and understand its importance in generating leads and sales.

• I am confident in my communication skills and ability to build rapport with potential clients over the phone.

• I am willing to put in the effort and time required to make successful cold calls and achieve sales targets.
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Q1. Difference between Order By and Group By
Ans. 
Order By is used to sort the result set in ascending or descending order, while Group By is used to group the result set by one or more columns.
• Order By is used with SELECT statement to sort the result set based on specified column(s)

• Group By is used with SELECT statement to group the result set based on specified column(s)

• Order By can be used with or without Group By, but Group By requires an aggregate function like C...read more
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Q2. Explain Normalisation concepts in detail
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Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down data into smaller, more manageable tables

• It reduces data redundancy by eliminating duplicate data

• Normalization helps maintain data integrity by ensuring data is stored in a consistent manner

• There are different levels of normalization, such as First Normal Form (1NF), Second ...read more
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Q3. Difference between Primary and Unique
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Primary key uniquely identifies a record in a database table, while a unique key ensures that all values in a column are different.
• Primary key is used to uniquely identify each record in a table

• Primary key does not allow NULL values

• Unique key ensures that all values in a column are different

• Unique key can have NULL values, but only one NULL per column
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Q4. Types of inheritance
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Types of inheritance include single, multiple, multilevel, hierarchical, hybrid, and so on.
• Single inheritance: a class inherits from only one base class.

• Multiple inheritance: a class inherits from more than one base class.

• Multilevel inheritance: a class inherits from a class which in turn inherits from another class.

• Hierarchical inheritance: multiple classes inherit from a single base class.

• Hybrid inheritance: a combin...read more
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It was online test on hackerrank platform there were 2-3 programming questions and you have to clear all of the test cases

Q1. Oops related questions,
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Q2. Write DB queries for given condition
Ans. 
Write DB queries for given condition
• Use SELECT statement to retrieve data from database

• Use WHERE clause to specify the condition for filtering data

• Use JOIN clause if data needs to be retrieved from multiple tables
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Q1. Explain your experience with release engineering
Ans. 
I have extensive experience in release engineering, including managing release cycles, coordinating with cross-functional teams, and ensuring smooth deployments.
• Managed release cycles for multiple software products

• Coordinated with development, QA, and operations teams to plan and execute releases

• Implemented release automation tools to streamline the release process

• Ensured compliance with release management best practic...read more
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Q2. How do you decide branching strategy
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Branching strategy is decided based on project complexity, team size, release frequency, and risk tolerance.
• Consider project complexity - simple projects may only need a main branch, while complex projects may require feature branches.

• Take team size into account - larger teams may benefit from feature branches to work on separate tasks concurrently.

• Evaluate release frequency - frequent releases may warrant a branching ...read more
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Q3. How do you manage release process
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I manage the release process by coordinating with development, testing, and operations teams to ensure smooth deployment.
• Coordinate with development, testing, and operations teams to plan release schedule

• Ensure all necessary documentation and release notes are prepared

• Perform risk assessment and mitigation strategies

• Use version control systems to track changes and releases

• Communicate with stakeholders about release sta...read more
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Q1. What kind of Devops tools you have used for release management
Ans. 
I have experience using tools like Jenkins, Git, Docker, and Ansible for release management.
• Jenkins

• Git

• Docker

• Ansible
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Q2. What is Nexus and why is it used.
Ans. 
Nexus is a repository manager that allows you to proxy, collect, and manage dependencies of many different types.
• Nexus is used to store and manage software artifacts such as JARs, WARs, and Docker images.

• It helps in controlling access to repositories and ensures that only approved artifacts are used in builds.

• Nexus can also act as a proxy to other repositories, reducing build times and improving reliability.

• It provides...read more
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Q3. Describe list of deployment strategies and their methodologies.
Ans. 
Deployment strategies include blue-green deployment, canary deployment, rolling deployment, and feature toggles.
• Blue-green deployment involves running two identical production environments and switching between them.

• Canary deployment gradually rolls out changes to a small subset of users before deploying to the entire infrastructure.

• Rolling deployment updates a subset of servers at a time, ensuring continuous availabil...read more
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Q4. GIT command based questions
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Q5. How do you prepare release documentation
Ans. 
I prepare release documentation by creating detailed release notes, updating user guides, and communicating changes to stakeholders.
• Create detailed release notes outlining new features, bug fixes, and any known issues

• Update user guides to reflect changes in the new release

• Communicate release changes to stakeholders through emails, meetings, or documentation

• Ensure all documentation is clear, concise, and easily accessib
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Q6. Scenario based questions on release implementation
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Q1. Tell us about your past job roles and experience with release engineering
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Q2. How do you collaborate with multiple teams to keep to date with release process
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Q3. What would you do if there is a release scheduled tomorrow and QA identifies a bug and dev has fixed it in develop. This bug is critical for one of the application that is not widely used however this rele...read more
Ans. 
Recommend prioritizing the critical bug fix and delaying the release for the application
• Prioritize the critical bug fix for the application that is not widely used

• Coordinate with QA and dev teams to ensure the bug fix is thoroughly tested

• Communicate with stakeholders about the delay in release and the reasons behind it
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Q1. What is your name?
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Q2. Where are you from
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