Eviden Technical Consultant Interview Questions and Answers

Basic English and General aptitude questions

Mainly Related with English Proficiency You'll be given a topic and asked to elaborate

Q1. Explain Windows RT
Ans. 
Windows RT is a discontinued operating system for ARM-based devices.
• Developed by Microsoft for tablets and PCs

• Limited to apps from Windows Store

• Does not support traditional desktop applications

• Discontinued in 2015
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Q2. Explain about Windows 8.1 (Was Newly Released at that time)
Ans. 
Windows 8.1 is the updated version of Windows 8, with improvements in user interface, features, and performance.
• Introduced Start button for easier navigation

• Improved multitasking capabilities with split-screen view

• Enhanced search functionality with Bing integration

• Updated apps and better customization options

• Increased security features like built-in antivirus software
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Q1. Delete vs Drop in sql?
Ans. 
DELETE is used to remove rows from a table while keeping the table structure intact. DROP is used to remove an entire table from the database.
• DELETE is a DML (Data Manipulation Language) command, while DROP is a DDL (Data Definition Language) command.

• DELETE can be rolled back, while DROP cannot be rolled back.

• Example: DELETE FROM table_name WHERE condition; DROP TABLE table_name;
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Q2. Autocalender, duicate vs refrence in power bi
Ans. 
Autocalender creates a date table automatically, while duplicate creates a copy of a table and reference creates a linked table in Power BI.
• Autocalender automatically generates a date table based on the data in your model.

• Duplicate creates a copy of a table with the same data and structure.

• Reference creates a linked table that shares the same data as the original table.

• Autocalender is useful for quickly creating date t...read more
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Q1. CQRS architecture
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Q1. Is live data is life cycle aware. If it's aware what does ViewModel do?
Ans. 
Yes
• LiveData is lifecycle aware and can be used to observe changes in data.

• ViewModel provides a way to store and manage UI-related data across configuration changes.

• ViewModel can hold LiveData objects to provide data to the UI.

• LiveData and ViewModel work together to ensure data consistency and prevent memory leaks.
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Q2. How does viewmodel survive when activity is destroyed on configuration?
Ans. 
The ViewModel survives configuration changes by being retained by the system.
• ViewModels are designed to survive configuration changes like screen rotations or language changes.

• When an activity is destroyed and recreated, the ViewModel is not destroyed and retains its data.

• The ViewModel is associated with the activity's lifecycle and is retained until the activity is finished.

• The retained ViewModel instance can be acces...read more
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Q3. Advantage of mvp over mvc.
Ans. 
MVP offers better separation of concerns and easier unit testing compared to MVC.
• MVP separates the presentation layer from the business logic, making it easier to maintain and modify the codebase.

• MVP allows for easier unit testing as the presenter can be tested independently from the view.

• MVP provides better decoupling between components, enabling easier code reuse and scalability.

• MVP promotes a clear separation of con...read more
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Q4. How does SSL pinning works?
Ans. 
SSL pinning is a security technique that ensures a client only communicates with a server using a pre-defined public key.
• SSL pinning involves hardcoding the server's public key in the client's code or configuration.

• During the SSL handshake, the client checks if the server's public key matches the pinned key.

• If the keys match, the connection is established; otherwise, it is rejected.

• Pinning prevents man-in-the-middle at
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Q5. How do you achieve data security when saving data persistanly.
Ans. 
Data security can be achieved through encryption, access controls, backups, and regular security audits.
• Encrypt sensitive data using strong encryption algorithms.

• Implement access controls to restrict unauthorized access to the data.

• Regularly backup the data to prevent data loss.

• Conduct regular security audits to identify and fix vulnerabilities.

• Use secure protocols and communication channels for data transfer.

• Implement...read more
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Q6. Where to save encription key?
Ans. 
Encryption keys should be securely stored in a separate key management system.
• Encryption keys should not be stored alongside the encrypted data.

• Use a dedicated key management system (KMS) to store and manage encryption keys.

• Implement strong access controls and authentication mechanisms for the KMS.

• Consider using hardware security modules (HSMs) for added security.

• Regularly rotate encryption keys to minimize the impact
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Q1. About Project and and Some Basic CAN Questions
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Q1. Related to profiles
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Q2. Related to job profile
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Q1. Salary and type of job
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Q1. Related your past experience
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There will be ask 30 MCQ's in 30 minutes when I was attend for Aptitude test
It was conducted virtual

There will be 2 coding questions asked we have to complete one of it .If we practice well very easy to clear .

Q1. In my case Technical & HR both conducted in same time it starts with introduction and later some behavioural questions and after that some basic Technical questions.
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Q2. 1.Tell me about yourself ?
Ans. 
I am a highly motivated individual with a passion for technology and problem-solving.
• I have a degree in Computer Science and have completed several internships in the tech industry.

• I am proficient in programming languages such as Java and Python.

• I enjoy working in a team environment and collaborating to find innovative solutions.

• In my free time, I enjoy tinkering with new technologies and building personal projects.

• I a...read more
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Q3. 2.What are your strengths & weakness?
Ans. 
My strengths include problem-solving, adaptability, and teamwork. My weakness is public speaking.
• Strengths: problem-solving (e.g. finding solutions to complex technical issues), adaptability (e.g. quickly adjusting to new technologies or work environments), teamwork (e.g. collaborating effectively with colleagues)

• Weakness: public speaking (e.g. nervousness when presenting to large groups)
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Q4. 3.What are Constructors?
Ans. 
Constructors are special methods used to initialize objects in a class.
• Constructors have the same name as the class they belong to.

• They are called automatically when an object is created.

• They can be used to set default values for object properties.

• Constructors can be overloaded to accept different parameters.

• Example: public class Car { public Car() { //default constructor } public Car(String make) { //overloaded constr
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Q5. 4 .Write a program on floating numbers in java?
Ans. 
A program on floating numbers in Java.
• Declare a variable with float or double data type.

• Perform arithmetic operations on floating point numbers.

• Use formatting options to display floating point numbers.

• Be aware of precision and rounding errors.
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Q6. 5.What are your hobbies?
Ans. 
I enjoy reading, hiking, and playing board games.
• Reading: I love getting lost in a good book, especially science fiction and fantasy.

• Hiking: I enjoy exploring new trails and challenging myself physically.

• Board games: I like playing strategy games with friends and family, such as Settlers of Catan and Ticket to Ride.
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Q7. 6.Anything else you want to ask ?
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