ivy Senior Data Architect Interview Questions and Answers

Q1. Clustering in cassendra
Ans. 
Clustering in Cassandra involves grouping together multiple nodes to improve performance, scalability, and fault tolerance.
• Clustering is used to distribute data across multiple nodes in a Cassandra cluster.

• It helps in achieving high availability and fault tolerance by replicating data across nodes.

• Cassandra uses consistent hashing to determine which node will store a particular piece of data.

• Data is partitioned into sm...read more
Answered by AI
Add your answer
Q2. Cloud Deployment strategies
Add your answer

The importance of teamwork in achieving goals.

Q1. SOLID principle
Add your answer
Q2. Internal working of view model
Ans. 
The view model is responsible for managing and providing data to the view in a way that is independent of the underlying data source.
• View model acts as an intermediary between the view and the data source.

• It retrieves data from the data source and transforms it into a format that is suitable for the view.

• It may also perform data validation and business logic.

• View model is typically implemented as a separate class or co...read more
Answered by AI
Add your answer
Q3. Find 2nd largest number
Ans. 
To find the 2nd largest number in an array, sort the array in descending order and return the element at index 1.
• Sort the array in descending order using a sorting algorithm

• Return the element at index 1 as the 2nd largest number
Answered by AI
Add your answer

Q1. What Java class loaders?
Ans. 
Java class loaders are responsible for loading classes during runtime.
• Java class loaders are responsible for loading classes during runtime.

• There are three types of class loaders: Bootstrap, Extension, and System.

• Custom class loaders can also be created to load classes from non-standard sources.

• Class loaders follow a delegation model where they first check if a class has already been loaded before attempting to load it...read more
Answered by AI
Add your answer
Q2. Questions on Microservices patterns?
Add your answer

Q1. Explain architecture of your last project ?
Add your answer
Q2. Cloud technologies you are familiar with?
Ans. 
I am familiar with AWS, Azure, and Google Cloud Platform.
• Experience with AWS services such as EC2, S3, Lambda, and RDS

• Familiarity with Azure services like Virtual Machines, Blob Storage, and Functions

• Knowledge of Google Cloud Platform services such as Compute Engine, Cloud Storage, and Cloud Functions
Answered by AI
Add your answer

Aptitude covered general quants and logics along with technical MCQs covering programming logics and SQL

Group Discussion round where communication and volunteering capabilities has been evaluated with general topics given to speak about

Coding Round involves problem solving with logics and complexities

Q1. Question from Resume (For me MERN stack has been asked)
Add your answer
Q2. Logical Reasoning Questions were asked
Add your answer

Q1. General HR related question were asked
Add your answer

Q1. How to handle security in Kafka?
Ans. 
Security in Kafka can be handled through authentication, authorization, encryption, and SSL/TLS.
• Implement authentication mechanisms like SASL or SSL for secure communication between clients and brokers.

• Set up ACLs (Access Control Lists) to control access to topics and resources.

• Enable encryption using SSL/TLS to secure data in transit.

• Use tools like Confluent Security Plugins for additional security features.

• Regularly ...read more
Answered by AI
Add your answer
Q2. Benefits of Microservices?
Ans. 
Microservices offer benefits such as scalability, flexibility, resilience, and easier maintenance.
• Scalability: Microservices allow for individual components to be scaled independently, leading to better resource utilization.

• Flexibility: Each microservice can be developed, deployed, and updated independently, allowing for more flexibility in the development process.

• Resilience: If one microservice fails, it does not brin...read more
Answered by AI
Add your answer
Q3. Have you done any customisation in spring-boot?
Ans. 
Yes, I have done customisation in spring-boot.
• Implemented custom error handling by extending ResponseEntityExceptionHandler

• Created custom annotations for validation

• Configured custom logging using Logback
Answered by AI
Add your answer

Had to solve couple of problems online

Q1. Programming, Java, Spring, design patterns, database, messaging, tools
Add your answer

Q1. Application design, problem faced in different projects and solutions, General awareness of frameworks and tools.
Add your answer

Q1. Salary Negotiation, company policies, insurance, joining date
Add your answer