Neustar DevOps Engineering Manager Interview Questions and Answers

Aptitude test

Current affairs

Q1. Puzzle , sql related questions
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Reasoning and aptitude questions are given

Q1. Tell all concepts of Overloading
Ans. 
Overloading is a concept in programming where multiple functions can have the same name but different parameters.
• Functions with the same name but different parameters can be defined in a class

• Overloading allows for flexibility in function usage

• Example: void print(int num) and void print(string text) are overloaded functions
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Q2. Tell me about a live example of inheritance
Ans. 
Inheritance in software development allows a class to inherit properties and behaviors from another class.
• Inheritance allows a subclass to reuse code from a superclass

• Subclass can also add new functionalities or override existing ones

• Example: Animal class can be a superclass with properties like name and age, while Dog class can inherit from Animal and add a method bark()
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Q1. Tell about the your self
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Q1. Self Introduction
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Q2. Salary Expectation
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Q1. 14 questions in excel formulas
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Q1. Practical job experience
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Practical knowledge and experience

Q1. Overall idea about sap os/db migration
Ans. 
SAP OS/DB migration involves moving SAP systems from one operating system and database to another.
• It is a complex process that requires careful planning and execution.

• It involves analyzing the current system landscape and identifying the target system.

• The migration process includes data backup, system shutdown, system copy, and system startup.

• Testing and validation are critical to ensure the new system is functioning p...read more
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Q1. Practical knowledge
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Q1. Policy and salary discussion
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Q1. What is HashMap?
Ans. 
HashMap is a data structure that stores key-value pairs and provides constant time complexity for basic operations.
• HashMap allows quick access to values based on their keys

• Keys must be unique and values can be duplicated

• HashMap is not thread-safe and requires synchronization for concurrent access

• Java's HashMap implementation uses hashing to distribute keys across buckets
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Q2. It’s a collection framework.
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Q1. CI tools like Jenkins, Configuration management tools like Ansible, Chef, Hashicorp suites like Terraform, DevOps principle, case study.
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Q1. Questions about out of box situation, previous technical experience and contribution.
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