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Rrootshell Technologiiss
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Types of databases include relational, NoSQL, object-oriented, and graph databases.
Relational databases store data in tables with rows and columns (e.g. MySQL, PostgreSQL)
NoSQL databases store data in a non-tabular format, often using JSON or XML (e.g. MongoDB, Cassandra)
Object-oriented databases store data as objects, with attributes and methods (e.g. db4o)
Graph databases use graph structures for semantic queries (e.g
I applied via Approached by Company and was interviewed before Apr 2023. There were 3 interview rounds.
I applied via Approached by Company and was interviewed before Jan 2023. There were 2 interview rounds.
Microservices are important for scalability, flexibility, and fault isolation. Real-time use cases include e-commerce, banking, and IoT.
Microservices allow for independent development and deployment of small, focused services.
They enable scalability by allowing each service to be scaled independently.
Microservices provide flexibility to choose different technologies for different services.
They facilitate fault isolatio...
User authentication and authorization in MEAN stack is handled using Passport.js and JSON Web Tokens (JWT).
Passport.js is used for authentication, providing various strategies like local, OAuth, etc.
JWT is used for authorization, generating and validating tokens for authenticated users.
User credentials are stored securely in the database, usually hashed and salted.
Middleware functions are used to protect routes and ver...
I applied via Naukri.com and was interviewed before Jul 2021. There were 3 interview rounds.
I have worked on multiple Oracle CPQ projects with various integrations.
Integrated Oracle CPQ with Salesforce CRM for a client in the manufacturing industry
Developed custom pricing rules and product configurators for a client in the telecommunications industry
Implemented Oracle CPQ with Oracle E-Business Suite for a client in the healthcare industry
Worked on integrating Oracle CPQ with third-party payment gateways for
Rrootshell Technologiiss interview questions for popular designations
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I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
For python and Java programming languages
Technical refers to knowledge, skills, and expertise related to a specific field or subject.
Technical knowledge involves understanding the principles, theories, and practices within a particular area.
Technical skills are practical abilities to perform tasks or use tools effectively.
Technical expertise is gained through education, training, and experience.
Examples: programming languages, engineering design software, mac
Technical aspects in the field of Industrial Engineering are crucial for optimizing processes and improving efficiency.
Technical aspects involve utilizing software and tools to analyze data and optimize processes.
Understanding of manufacturing processes, supply chain management, and quality control is essential.
Knowledge of automation, robotics, and artificial intelligence can help streamline operations.
Continuous impr...
1hr interview, asked checker code, checked protocol knowledge mentioned in Resume, asked assertion.
I applied via campus placement at BRACT's Vishwakarma Institute of Information Technology, Pune and was interviewed in Oct 2024. There was 1 interview round.
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types or classes.
Examples include method overloading and method overriding in object-oriented programming.
Find missing number from nth number array.
Iterate through the array and calculate the sum of all numbers
Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2
Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows a class to reuse code from another class.
Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.
Example: Class B inherits from Class A, so Class B can access
Find 2nd max element from array of strings
Sort the array in descending order
Skip the first element (max element)
Return the second element
I applied via Walk-in and was interviewed in Dec 2024. There were 4 interview rounds.
Village Sanota, Narela, Delhi, 40
Please confirmation in Hindi
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posted on 11 Sep 2024
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
Different data formats in big data are used for various purposes like storage efficiency, data processing speed, and compatibility with different systems.
JSON: Lightweight, human-readable, and widely supported for web applications.
Parquet: Columnar storage format for efficient querying and processing of large datasets.
Avro: Schema-based serialization format with support for complex data types.
ORC: Optimized Row Columna...
Find the most frequent element in a list of strings.
Iterate through the list and count the frequency of each element using a dictionary.
Track the element with the highest frequency as you iterate.
Return the element with the highest frequency.
posted on 28 Sep 2024
based on 32 reviews
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