Brane Enterprises Associate Technical Leader Interview Questions and Answers

Code to reverse a binary search tree (BST)

• Traverse the BST in post-order

• Swap the left and right child of each node

• Return the root node of the reversed BST

To create a pointer array of strings:

• Declare a pointer array variable with the desired size

• Allocate memory for each string in the array using malloc

• Assign the memory address of each string to the corresponding array element

Implemented the Observer design pattern.

• Used to maintain consistency between related objects

• Allows for one-to-many relationships between objects

• Used in event-driven systems

• Example: Used to update UI when data changes in backend

I have implemented a microservices architecture for scalability and flexibility.

• Implemented microservices architecture using Docker and Kubernetes

• Used API Gateway for routing and load balancing

• Implemented service discovery using Consul

• Implemented circuit breaker pattern using Hystrix

• Implemented centralized logging using ELK stack

• Implemented distributed tracing using Zipkin

• Implemented event-driven architecture using Kaf...read more

I improved stored procedure performance by optimizing queries and indexes.

• Identified and removed unnecessary joins and subqueries

• Used appropriate indexing to speed up query execution

• Reduced the number of round trips to the database by using batch processing

• Rewrote complex queries to simpler ones

• Used stored procedure parameters instead of variables to avoid recompilation

• Used SET NOCOUNT ON to reduce network traffic

• Used