A software team at Infosys needs to implement microservices architecture. Which challenge is MOST critical to address?

The correct answer is B: Service communication and distributed transaction management. Microservices architecture requires careful handling of inter-service communication protocols and distributed transactions across multiple services.

Two persons A and B invest Rs. 2000 and Rs. 3000 respectively in a business. If the profit is Rs. 5000, how much profit does A get?

The correct answer is A: Rs. 2000. Ratio = 2000:3000 = 2:3. A's share = (2/5) × 5000 = Rs. 2000

Wipro's digital transformation services primarily focus on which of the following areas?

The correct answer is B: Cloud, AI, IoT, and cybersecurity. Wipro's digital transformation services focus on modern technologies like Cloud, AI, IoT, and cybersecurity.

If assigned to a Wipro project requiring you to learn a new technology, what would demonstrate readiness?

The correct answer is B: Show willingness to learn, create a learning plan, and demonstrate progress regularly. Wipro values employees who demonstrate self-directed learning and adaptability, essential in the fast-evolving IT industry.

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?

The correct answer is A: 4 members. Total team = 5+3+2 = 10. 40% increase = 10 × 0.4 = 4 new members needed.

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Q.1 Medium Google Questions Google

In TCP/IP model, which layer handles IP addresses?

A Application Layer

B Transport Layer

C Internet Layer

D Link Layer

Correct Answer: C. Internet Layer

EXPLANATION

The Internet Layer (Layer 3) handles IP addresses and routing. Transport Layer (Layer 4) handles ports.

Test

Q.2 Medium Google Questions Google

What does MapReduce do?

A Reduces maps to a single value

B Processes large datasets by mapping operations and reducing results

C Only works with arrays

D Is used only in front-end development

Correct Answer: B. Processes large datasets by mapping operations and reducing results

EXPLANATION

MapReduce is a programming model for processing large datasets in parallel by mapping data and then reducing results.

Test

Q.3 Medium Google Questions Google

What principle is followed when designing Google's systems?

A Monolithic architecture

B Distributed systems with horizontal scalability

C Centralized database model

D Sequential processing

Correct Answer: B. Distributed systems with horizontal scalability

EXPLANATION

Google designs distributed systems that can scale horizontally across many machines to handle billions of requests.

Test

Q.4 Medium Google Questions Google

In microservices architecture, what is an API Gateway?

A A server that stores APIs

B A single entry point for client requests to multiple microservices

C A database for API data

D A security firewall

Correct Answer: B. A single entry point for client requests to multiple microservices

EXPLANATION

API Gateway is a server that acts as an intermediary between clients and microservices, handling routing, authentication, and load balancing.

Test

Q.5 Medium Google Questions Google

What is the correct output of: print(2 ** 3 ** 2) in Python?

A 64

B 512

C 8

D 256

Correct Answer: B. 512

EXPLANATION

Exponentiation is right-associative in Python. 32 = 9, then 29 = 512

Test

Q.6 Medium Google Questions Google

In dynamic programming, what is memoization?

A Breaking problem into subproblems

B Storing results of subproblems to avoid recomputation

C Creating a memo

D Sorting results

Correct Answer: B. Storing results of subproblems to avoid recomputation

EXPLANATION

Memoization is an optimization technique where results of expensive function calls are cached and returned when same inputs occur again.

Test

Q.7 Medium Google Questions Google

Which sorting algorithm is stable and has O(n log n) worst-case complexity?

A QuickSort

B MergeSort

C HeapSort

D Selection Sort

Correct Answer: B. MergeSort

EXPLANATION

MergeSort has O(n log n) worst-case and is stable. QuickSort is O(n²) worst-case, HeapSort is not stable.

Test

Q.8 Medium Google Questions Google

What is the space complexity of QuickSort?

A O(1)

B O(log n)

C O(n)

D O(n log n)

Correct Answer: B. O(log n)

EXPLANATION

QuickSort uses O(log n) space for the recursion call stack in the average case.

Test

Q.9 Medium Google Questions Google

In a hash table with 10 slots, if 15 elements are inserted with a good hash function, what is the expected average chain length?

A 1.5

B 1.0

C 2.5

D 1.8

Correct Answer: A. 1.5

EXPLANATION

Load factor = n/m = 15/10 = 1.5. Average chain length in hash table = load factor = 1.5

Test

Q.10 Medium Google Questions Google

Which of the following is a programming paradigm Google emphasizes for systems design?

A Functional Programming

B Object-Oriented Programming

C Procedural Programming

D Both A and B

Correct Answer: D. Both A and B

EXPLANATION

Google uses both functional and OOP paradigms depending on requirements. Go language (created by Google) supports both paradigms.

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