What percentage of Infosys' revenue comes from digital and cloud services as of 2024?
Answer: C
Digital and cloud services represent over 50% of Infosys' revenue in 2024, reflecting the company's focus on modern technology solutions.
Q.82Medium
In microservices architecture used by Infosys, what does the Circuit Breaker pattern prevent?
Answer: B
The Circuit Breaker pattern in microservices prevents cascading failures by stopping requests to a failing service and allowing it time to recover.
Q.83Medium
Which programming paradigm does Infosys predominantly use for cloud-native applications?
Answer: C
Infosys predominantly uses Object-Oriented programming for enterprise applications, though functional programming is increasingly used in cloud-native services.
Q.84Medium
What is the primary advantage of using containerization (Docker) in Infosys' DevOps pipeline?
Answer: B
Docker ensures that applications run consistently across different environments by packaging dependencies, which is crucial for Infosys' global deployment strategies.
Q.85Medium
Which design pattern is used when Infosys developers need to ensure only one instance of a database connection pool exists?
Answer: C
The Singleton Pattern ensures that only one instance of a class (like a database connection pool) is created throughout the application lifecycle.
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Q.86Medium
In Infosys' API rate limiting strategy, what does the Token Bucket algorithm control?
Answer: B
The Token Bucket algorithm is used to control the rate at which API requests are allowed, preventing abuse and ensuring fair resource utilization.
Q.87Medium
Which of the following best describes the Infosys' commitment to 'Digital-First' customer experience in 2024-25?
Answer: B
Infosys' Digital-First approach prioritizes digital channels and experiences while still maintaining traditional support options for customer choice and accessibility.
Q.88Medium
In Infosys' cybersecurity protocols, which encryption standard is mandated for data at rest?
Answer: B
AES-256 is the industry-standard encryption for data at rest, providing 256-bit key strength and is mandated in Infosys' security policies.
Q.89Medium
What does OWASP Top 10, which Infosys developers must follow, primarily address?
Answer: B
OWASP Top 10 lists the most critical web application security vulnerabilities that developers must understand and mitigate.
Q.90Medium
Which HTTP status code should a REST API return when a resource is successfully created?
Answer: B
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.
Q.91Medium
In Infosys' microservices architecture, which design pattern is used to manage distributed transactions across multiple services?
Answer: A
The Saga pattern is used in microservices to manage distributed transactions by breaking them into local transactions coordinated through event-driven communication.
Q.92Medium
An Infosys developer needs to optimize a SQL query that joins 4 tables. The query currently takes 8 seconds to execute. Which indexing strategy would be most effective?
Answer: B
Composite indexes on join columns and WHERE clause conditions significantly improve query performance by reducing the number of rows scanned.
Q.93Medium
Which of the following represents the correct order of REST API maturity levels according to Richardson Maturity Model used at Infosys?
Answer: A
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.
Q.94Medium
An Infosys data engineer needs to process 10 TB of unstructured data. Which Apache tool would be most suitable for batch processing?
Answer: A
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.
Q.95Medium
A software developer at Wipro needs to optimize a database query that currently takes 8 seconds to execute. After optimization, it takes 2 seconds. What is the percentage improvement in performance?
Answer: B
Performance improvement = ((8-2)/8) × 100 = 75%. This is a common optimization scenario in IT services.
Q.96Medium
Wipro's digital transformation services primarily focus on which of the following areas?
Answer: B
Wipro's digital transformation services focus on modern technologies like Cloud, AI, IoT, and cybersecurity.
Q.97Medium
If Wipro's revenue in 2023 was $10.2 billion and it grows at 12% annually, what would be the approximate revenue in 2025?
A Wipro project team has 5 developers, 3 QA engineers, and 2 project managers. If the project requires a 40% increase in team size, how many new members should be hired?
Answer: A
Total team = 5+3+2 = 10. 40% increase = 10 × 0.4 = 4 new members needed.
Q.99Medium
Which of the following best describes Wipro's Business Process Outsourcing (BPO) services?
Answer: B
BPO services involve outsourcing non-core business processes to improve efficiency and reduce costs.
Q.100Medium
In which year did Wipro achieve carbon-neutral operations?
Answer: C
Wipro achieved carbon-neutral operations in 2021 and has committed to carbon-negative status by 2030.
