Deloitte Consultant Interview Questions, Process, and Tips

Q1. Explain the structure of microservices architecture
Ans. 
Microservices architecture is a design approach where an application is composed of small, independent services that communicate with each other.
• Each service is responsible for a specific function or feature

• Services are loosely coupled and can be developed, deployed, and scaled independently

• Communication between services is typically done through APIs

• Each service can be developed using different technologies or program...read more
Answered by AI
Add your answer
Q2. How to implement SQS and SNS in AWS cloud
Ans. 
Implementing SQS and SNS in AWS cloud involves creating queues and topics, setting up permissions, and configuring subscriptions.
• Create an SQS queue and configure its settings

• Create an SNS topic and configure its settings

• Set up permissions to allow SQS to send messages to SNS

• Configure subscriptions to connect the SQS queue to the SNS topic
Answered by AI
Add your answer
Q3. What are the things which we need to be aware before we start migrating monolith into microservices
Ans. 
Considerations before migrating monolith into microservices
• Understand the current monolith architecture and dependencies

• Identify the boundaries for microservices and plan the decomposition

• Ensure proper testing and monitoring strategies are in place

• Address data management and consistency challenges

• Prepare for potential performance overhead and increased complexity
Answered by AI
Add your answer
Q4. How to provide security to apis without using spring security
Ans. 
Implement API security using token-based authentication and authorization
• Use token-based authentication like JWT (JSON Web Tokens)

• Implement custom authentication and authorization logic in the API endpoints

• Utilize API keys for access control and rate limiting

• Implement OAuth for secure authorization and delegation of access
Answered by AI
Add your answer
Q5. What is API gateway
Ans. 
API gateway is a server that acts as an API front-end, receiving API requests, enforcing throttling and security policies, passing requests to the back-end service, and then passing the response back to the requester.
• API gateway acts as a single entry point for all API requests

• It can handle tasks like authentication, authorization, rate limiting, and caching

• Examples of API gateways include Amazon API Gateway, Apigee, a
Answered by AI
Add your answer

Q1. Functional interface
Add your answer
Q2. Object oriented concepts
Add your answer
Q3. Stream api
Add your answer
Q4. Synchronization
Add your answer
Q5. While loop exceptions
Ans. 
While loop exceptions are errors that occur during the execution of a while loop.
• Common while loop exceptions include infinite loops, where the loop never terminates.

• Another exception is when the loop condition is never met, causing the loop to never execute.

• Handling exceptions in while loops can be done using try-catch blocks to catch and handle errors.
Answered by AI
Add your answer

Q1. Tell me about yourself
Add your answer
Q2. Write program to check string is palindrom
Add your answer
Q3. Write programm to Remove number from array who occur more than once
Add your answer
Q4. String Buffer vs String Builder
Add your answer
Q5. If String s="Deloitte"; and String s2=new String("Deloitte"); what will be s1.equals(s2) and if(s1==s2)
Add your answer
Q6. Why spring boot is better than spring ? Annotations of spring
Add your answer
Q7. Query for count employee in each department
Add your answer
Q8. How to create react app ? npm commands to create react app
Add your answer
Q9. How routing works in react
Add your answer
Q10. Dml dcl and ddl command
Add your answer

Q1. Your surname? If you are a lala then surely selected
Add your answer
Q2. What your father do? They just want to know if you can bring business to them
Add your answer

Q1. About my Previous Job
Add your answer
Q2. Compensation, Location, Project Details, Problem Solving
Add your answer

IT is a secret, I can't open that

Q1. Why Consulting,
Add your answer
Q2. About the assignment, location
Add your answer