Hydax Hydraulics Senior Software Engineer Interview Questions and Answers

Q1. What are TMG events?
Ans. 
TMG events refer to events related to Threat Management Gateway, a Microsoft network security product.
• TMG events are generated by Threat Management Gateway (TMG), a network security product developed by Microsoft.

• These events provide information about network traffic, security threats, and system health.

• Examples of TMG events include firewall rule violations, malware detection, and system errors.
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Q2. Events in interactive report?
Ans. 
Events in interactive report refer to user interactions like clicking, hovering, or scrolling.
• Events can trigger actions or functions in the report.

• Common events include click, hover, scroll, keypress, etc.

• Events can be used to enhance user experience and interactivity.

• Examples: Clicking on a data point to view more details, hovering over a chart to see tooltips.
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Q3. Difference between RFC and BAPI
Ans. 
RFC is a protocol for requesting services from a server, while BAPI is a specific type of RFC used in SAP systems.
• RFC stands for Remote Function Call and is a protocol used to request services from a server over a network.

• BAPI stands for Business Application Programming Interface and is a specific type of RFC used in SAP systems for integrating external applications with SAP.

• RFC can be used in various systems and techn...read more
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Q4. What is ABAP on HANA
Ans. 
ABAP on HANA is a programming language that combines ABAP with the in-memory database technology of SAP HANA.
• ABAP on HANA allows developers to leverage the speed and power of SAP HANA for their ABAP-based applications.

• It enables real-time analytics, predictive modeling, and faster data processing.

• Developers can use ABAP on HANA to optimize existing ABAP code for better performance.

• It provides a seamless integration bet...read more
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Q5. Limitations of CDs Views
Ans. 
CDs Views have limitations in terms of performance and scalability.
• Limited support for complex queries and joins

• Performance degradation with large datasets

• Scalability issues when handling high volume of data

• Difficulty in maintaining and updating views as database schema changes
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Q1. Basics core Java
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Q2. Springboot and microservices
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Q1. Agile methodology
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Q2. Array coding questions, SAGA Pattern
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Q1. Question mostly related to current project and javascript
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Q2. How js engine works
Ans. 
JS engine is responsible for executing JavaScript code in a web browser.
• JS engine parses and executes JavaScript code line by line.

• It consists of a memory heap for storing variables and a call stack for managing function calls.

• JS engine uses various optimization techniques like JIT compilation to improve performance.

• Examples of popular JS engines include V8 (used in Chrome) and SpiderMonkey (used in Firefox).
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Q3. React higher order component
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Q4. Pure component in react
Ans. 
A pure component in React is a component that does not re-render unless its props have changed.
• Pure components extend React.PureComponent class

• Pure components implement shouldComponentUpdate method to compare props and state for changes

• Pure components are useful for optimizing performance by preventing unnecessary re-renders
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Q1. Core Java Questions, Spring boot annotations
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Q2. Pros and Cons of Microservices
Ans. 
Microservices offer scalability and flexibility but can introduce complexity and communication challenges.
• Pros: Scalability - allows for independent scaling of services

• Pros: Flexibility - enables teams to work on different services concurrently

• Cons: Complexity - managing multiple services can be challenging

• Cons: Communication - requires robust communication between services

• Cons: Testing - can be more complex due to dis...read more
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Q1. Workflow,custom workflow,types and console option
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Q2. Sling model, servlet, sightly,3rd party api integration
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Q1. Basic Concepts and technical question
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Q1. It was pure technical with advance question
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Aptitude test on verbal, reasoning,logical and numerical skills

Group discussion topic was given

Q1. Technical questions was asked on my engineering subjects
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Q1. Technical questions were asked
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Q1. Hr round to discuss on the job role and salary discussion
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Round duration - 267 Minutes
Round difficulty - Medium

It was from home only. 12+180+75 minutes. I could solve the problems within given time and with all tests passed. I am not able to recall now , but based on OOPS, C# SQL , ADO. net, WPF , Design principle, I forgot the number of MCQs

Q1. 
String Transformation Problem
Given a string (STR) of length N, you are tasked to create a new string through the following method:
Select the smallest character from the first K characters of STR, remov...read more
Ans. 
The task is to transform a given string by selecting the smallest character from the first K characters and appending it to a new string until the original string becomes empty.
• Iterate through the string while there are characters remaining

• For each iteration, select the smallest character from the first K characters

• Remove the selected character from the original string and append it to the new string

• Repeat until the or...read more
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Q2. 
Make Unique Array Challenge
Your task is to determine the minimum number of elements that need to be removed from an array 'ARR' of size 'N' such that all the remaining elements are distinct. In simpler t...read more
Ans. 
Find the minimum number of elements to remove from an array to make all elements distinct.
• Iterate through the array and keep track of the frequency of each element using a hashmap.

• Count the number of elements that have a frequency greater than 1, as those need to be removed.

• Return the count of elements to be removed.
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Round duration - 45 minutes
Round difficulty - Medium

OOps, C#, WPF, SQL , Design Principles, etc