Rahi Systems Network Engineer Interview Questions and Answers for Experienced

This is the round in which basic quant questions were asked

In this round basic 2 java questions were asked

In this round one topic was given and we need to discuss about that topic

Q1. What is java explain in detail
Ans. 
Java is a high-level, object-oriented programming language used to develop applications for various platforms.
• Java is platform-independent, meaning it can run on any platform with a Java Virtual Machine (JVM)

• It is known for its security features, such as the ability to run code in a sandbox environment

• Java is used for developing a wide range of applications, from web applications to mobile apps and games

• It is also used...read more
Answered by AI
Add your answer
Q2. What is searching and sorting
Ans. 
Searching is finding a specific item in a collection of items. Sorting is arranging items in a specific order.
• Searching involves looking for a specific item in a collection of items.

• Sorting involves arranging items in a specific order, such as alphabetical or numerical.

• Searching and sorting are commonly used in computer science and data analysis.

• Examples of searching algorithms include linear search and binary search.

• E...read more
Answered by AI
Add your answer

Q1. What is binary tree explain
Ans. 
A binary tree is a data structure consisting of nodes, where each node has at most two children.
• Nodes in a binary tree have a left and/or right child node.

• The topmost node is called the root node.

• Binary trees are used in search algorithms and data compression.

• Examples of binary trees include binary search trees and heap trees.
Answered by AI
Add your answer

Q1. What is your current location
Add your answer
Q2. What is your salary expectations
Add your answer

Duration is around 1 hour

Q1. 1. Basic programming concepts 2. OOP concepts and basic problem solving skills
Add your answer

Q1. Programming question
Add your answer

Q1. 1. Basic questions
Add your answer

Q1. Second largest number in an array
Ans. 
Find the second largest number in an array of strings.
• Convert the strings to numbers for comparison.

• Sort the array in descending order.

• Return the second element in the sorted array.
Answered by AI
Add your answer
Q2. Pairs with given sum
Ans. 
Find pairs in an array that sum up to a given target value.
• Use a hash set to store the difference between the target value and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hash set.

• Return the pairs that sum up to the target value.
Answered by AI
Add your answer

Q1. OOPS based questions
Add your answer
Q2. Basic language based questions
Add your answer

Q1. What is single page application
Ans. 
Single page application is a web application that loads a single HTML page and dynamically updates the content as the user interacts with the app.
• SPA uses AJAX and HTML5 to create fluid and responsive user experience.

• It eliminates the need for page reloading during use, making it faster and more efficient.

• Examples include Gmail, Facebook, and Google Maps.
Answered by AI
Add your answer
Q2. What is state management
Ans. 
State management is the process of managing the state of an application, including data flow, user interface updates, and user interactions.
• State management involves storing and updating the state of an application to ensure data consistency.

• It helps in managing user interface updates based on changes in the application state.

• State management is crucial for handling user interactions and maintaining a seamless user exp...read more
Answered by AI
Add your answer