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Placement Papers

TCS, Infosys, Wipro, Cognizant actual papers

71 Q 10 Topics Take Test
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Difficulty: All Easy Medium Hard 51–60 of 71
Topics in Placement Papers
In a distributed system scenario relevant to Infosys projects, what does the CAP theorem suggest?
A All systems can achieve consistency, availability, and partition tolerance simultaneously
B Systems must choose between two of three properties: consistency, availability, and partition tolerance
C Partition tolerance is the most important property
D Availability should always be sacrificed for consistency
Correct Answer:  B. Systems must choose between two of three properties: consistency, availability, and partition tolerance
EXPLANATION

The CAP theorem states that a distributed system can only guarantee two of the three properties: consistency, availability, and partition tolerance.

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A software team at Infosys needs to implement microservices architecture. Which challenge is MOST critical to address?
A Monolithic design benefits
B Service communication and distributed transaction management
C Reducing the number of databases
D Eliminating the need for APIs
Correct Answer:  B. Service communication and distributed transaction management
EXPLANATION

Microservices architecture requires careful handling of inter-service communication protocols and distributed transactions across multiple services.

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If an Infosys candidate needs to solve a graph problem involving finding strongly connected components, which algorithm would be most appropriate?
A Dijkstra's Algorithm
B Kosaraju's Algorithm
C Kruskal's Algorithm
D Floyd-Warshall Algorithm
Correct Answer:  B. Kosaraju's Algorithm
EXPLANATION

Kosaraju's Algorithm is specifically designed to find strongly connected components in a directed graph in O(V+E) time.

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What is the significance of Infosys' 'Equinix' partnership announced in recent years?
A Data center infrastructure expansion
B Cloud service delivery enhancement
C Cybersecurity collaboration
D AI research initiative
Correct Answer:  A. Data center infrastructure expansion
EXPLANATION

Infosys' partnership with Equinix focuses on expanding global data center infrastructure and edge computing capabilities for better service delivery.

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A candidate in Infosys placement gets selected in both the coding round and technical round. What is the approximate probability they will be rejected in the HR round, based on historical data?
A Less than 5%
B 5-10%
C 10-15%
D 15-20%
Correct Answer:  A. Less than 5%
EXPLANATION

Historically, candidates who clear both coding and technical rounds have a high success rate in HR rounds at Infosys (>95%), as the company focuses on fit and communication at this stage.

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Infosys launched which AI-powered platform for automating business processes in 2023-2024?
A Infosys Automation Hub
B Infosys Cobalt
C Infosys Intelligence Platform
D Infosys Process Automation
Correct Answer:  B. Infosys Cobalt
EXPLANATION

Infosys Cobalt is the company's AI-powered platform designed to accelerate digital transformation and business process automation.

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In Infosys' technical interview, a candidate is asked to find the longest palindromic substring in a given string. Which approach would be most optimal?
A Brute force (O(n³))
B Expand around centers (O(n²))
C Dynamic Programming (O(n²))
D Both B and C are equally optimal
Correct Answer:  D. Both B and C are equally optimal
EXPLANATION

Both Expand Around Centers and Dynamic Programming offer O(n²) time complexity, which is considered optimal for this problem in interview settings.

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Which global certification does Infosys encourage its employees to pursue?
A Only internal certifications
B AWS, Azure, and other cloud certifications
C Only traditional degree programs
D No certifications required
Correct Answer:  B. AWS, Azure, and other cloud certifications
EXPLANATION

Infosys encourages employees to pursue cloud certifications like AWS, Azure, Google Cloud, and industry-recognized qualifications.

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Infosys' 'Infytq' program is primarily designed for which purpose?
A Executive MBA training
B Upskilling students in emerging technologies
C Talent acquisition and assessment
D Both B and C
Correct Answer:  D. Both B and C
EXPLANATION

Infytq is designed to upskill students in technologies like Python, Cloud, and Java while serving as a talent pool for recruitment.

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Q.60 Hard TCS Questions
A TCS project uses Docker containers across 50+ servers. Which orchestration platform would be most suitable for managing container deployment, scaling, and updates at this scale?
A Docker Compose
B Kubernetes (K8s)
C Docker Swarm
D Virtual Machines with manual management
Correct Answer:  B. Kubernetes (K8s)
EXPLANATION

Kubernetes is the industry-standard container orchestration platform designed for managing containerized applications at scale. It provides self-healing, auto-scaling, load balancing, and rolling updates—essential for 50+ node clusters.

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