In a software development scenario, if a developer needs to optimize database queries for an Infosys client project, which of the following is NOT a standard optimization technique?
Answer: B
Using wildcard characters at the beginning (like '%search') prevents index usage and is a poor optimization practice. Standard techniques include indexing, denormalization, and caching.
Q.42Medium
Infosys' 'Infosys Equinix' partnership primarily focuses on which area?
Answer: A
The Infosys and Equinix partnership provides hybrid cloud and edge computing solutions with colocation services.
Q.43Medium
A candidate appears for Infosys recruitment. In the coding round, they need to find the longest substring without repeating characters. What data structure would be most efficient?
Answer: B
A Hash Map is ideal for tracking character indices and detecting repeating characters with O(n) time complexity.
Q.44Easy
Which of the following is Infosys' commitment regarding digital transformation?
Answer: B
Infosys is committed to providing comprehensive digital transformation services across various industries and sectors.
Q.45Medium
In an Infosys placement interview, if asked about handling a critical production issue with multiple stakeholders involved, what would be the BEST approach?
Answer: B
Professional incident handling requires clear communication, proper escalation, and detailed documentation to ensure transparency and prevent recurrence.
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Q.46Medium
Infosys' Edcast platform is primarily designed for which purpose?
Answer: B
Infosys EdCast is an AI-powered learning platform that provides personalized learning experiences to employees for continuous skill development.
Q.47Hard
A software team at Infosys needs to implement microservices architecture. Which challenge is MOST critical to address?
Answer: B
Microservices architecture requires careful handling of inter-service communication protocols and distributed transactions across multiple services.
Q.48Easy
What is Infosys' approximate employee strength as of 2024?
Answer: C
Infosys has over 250,000 employees globally, making it one of the largest IT services companies worldwide.
Q.49Hard
In a distributed system scenario relevant to Infosys projects, what does the CAP theorem suggest?
Answer: B
The CAP theorem states that a distributed system can only guarantee two of the three properties: consistency, availability, and partition tolerance.
Q.50Medium
Infosys' presence is strongest in which geographical region?
Answer: B
While headquartered in India, Infosys has significant presence in North America and Europe, which contribute majority of its revenue.
Q.51Hard
A candidate is solving a problem on dynamic programming for the Infosys coding round. The problem involves overlapping subproblems and optimal substructure. What is the minimum number of steps to solve such problems?
Answer: C
Dynamic programming requires defining subproblems, establishing recurrence relations, and implementing solutions using memoization or tabulation for optimization.
Q.52Medium
Which certification is widely recognized and promoted by Infosys for cloud professionals?
Answer: D
Infosys promotes multiple cloud certifications including AWS, Azure, and Google Cloud to ensure diverse skill sets among employees.
Q.53Easy
In Infosys' agile methodology approach, what is a Sprint typically?
Answer: B
A Sprint in agile methodology is typically a 2-4 week iteration where teams work on defined deliverables with regular stand-ups and reviews.
Q.54Medium
Infosys' strategy for business continuity and disaster recovery typically includes which of the following?
Answer: B
Infosys maintains geographic distribution of data centers across multiple regions with automated redundancy for business continuity.
Q.55Hard
A complex algorithmic problem in Infosys placement requires analyzing a graph with weighted edges. What would be the optimal approach for finding the shortest path?
Answer: C
Dijkstra's algorithm is the optimal choice for finding shortest paths in weighted graphs with non-negative weights, with O(E log V) complexity.
Q.56Medium
Infosys' Vision 2040 framework emphasizes which key area?
Answer: B
Infosys Vision 2040 focuses on sustainable business practices, environmental responsibility, and creating positive societal impact.
Q.57Easy
Infosys' headquarters is located in which city?
Answer: B
Infosys headquarters is in Bangalore (now Bengaluru), Karnataka, India.
Q.58Medium
A developer at Infosys needs to optimize a recursive function that calculates Fibonacci numbers. Which approach would be most efficient?
Answer: B
Memoization or dynamic programming reduces time complexity from exponential to linear by caching previously computed results.
Q.59Medium
In 2024-25, what is Infosys' primary focus for digital transformation services?
Answer: B
Infosys' 2024-25 strategy emphasizes cloud migration, artificial intelligence, and process automation for digital transformation.
Q.60Medium
Which programming paradigm is most suitable for developing scalable microservices at Infosys?
Answer: B
Object-oriented programming provides modularity, encapsulation, and reusability necessary for scalable microservices architecture.
