Apache Spark is superior for large-scale batch processing due to its in-memory computing capabilities, providing faster execution than MapReduce for processing large datasets.

The Richardson Maturity Model progresses from the Swamp (0), to Resources (1), HTTP Verbs (2), and finally Hypermedia (3) as the highest level of REST maturity.

Composite indexes on join columns and WHERE clause conditions significantly improve query performance by reducing the number of rows scanned.

The Saga pattern is used in microservices to manage distributed transactions by breaking them into local transactions coordinated through event-driven communication.

HTTP status code 201 Created is the correct response when a new resource is successfully created via POST request, typically including the resource location in the response header.

OWASP Top 10 lists the most critical web application security vulnerabilities that developers must understand and mitigate.

AES-256 is the industry-standard encryption for data at rest, providing 256-bit key strength and is mandated in Infosys' security policies.

Infosys' Digital-First approach prioritizes digital channels and experiences while still maintaining traditional support options for customer choice and accessibility.

The Token Bucket algorithm is used to control the rate at which API requests are allowed, preventing abuse and ensuring fair resource utilization.

The Singleton Pattern ensures that only one instance of a class (like a database connection pool) is created throughout the application lifecycle.