TCS AST Consultant Interview Questions, Process, and Tips

Performance tuning troubleshooting involves identifying bottlenecks and optimizing system resources.

• Identify the bottleneck by monitoring system resources such as CPU, memory, disk I/O, and network usage.

• Analyze application and database performance metrics to identify slow queries or inefficient code.

• Optimize system resources by adjusting configuration settings, upgrading hardware, or implementing caching mechanisms.

• Te...read more

Always On is a high availability feature in SQL Server that provides automatic failover, while clustering is a group of servers working together to provide high availability.

• Always On is a feature in SQL Server that provides automatic failover and disaster recovery capabilities

• Clustering is a group of servers working together to provide high availability and load balancing

• Always On is specific to SQL Server, while clus...read more

Implemented load balancing and failover mechanisms using AWS services.

• Used Amazon Elastic Load Balancer to distribute traffic across multiple instances.

• Configured Auto Scaling groups to automatically launch new instances in case of failure.

• Implemented Multi-AZ deployment for RDS instances to ensure high availability of database.

• Used Route 53 for DNS failover to redirect traffic to healthy instances in case of failure.

• I...read more

To fine tune a query, optimize the database, use indexes, limit the result set, and use appropriate joins.

• Optimize the database by removing unnecessary data and improving data structure

• Use indexes to speed up data retrieval

• Limit the result set by using WHERE clause and pagination

• Use appropriate joins to minimize the number of rows returned

• Consider using caching to reduce database load

I have over 5 years of experience in project management, leading cross-functional teams to successful project completion.

• Led a team of 10 individuals in the implementation of a new software system, resulting in a 20% increase in efficiency

• Managed a budget of $500,000 for a construction project, completing it under budget and ahead of schedule

• Collaborated with stakeholders to define project scope and deliverables, ensur

Change Management process involves planning, implementing, and monitoring changes to ensure successful outcomes.

• Change Management process includes identifying the need for change, assessing the impact, planning the change, implementing the change, and evaluating the results.

• Communication is key in Change Management to ensure stakeholders are informed and involved throughout the process.

• Resistance to change is common an...read more

One challenge in developing code is handling complex logic and ensuring its correctness.

• Understanding and implementing complex requirements

• Managing dependencies and integrating different components

• Testing and debugging to ensure correctness

• Optimizing code for performance

• Maintaining code readability and scalability

My area of interest is data analysis and visualization.

• I have experience using tools like Tableau and Power BI for data visualization.

• I enjoy exploring trends and patterns in data to derive insights.

• I have worked on projects involving data cleaning, analysis, and presentation.

I am joining TCS because of its reputation for innovation, global presence, and opportunities for growth.

• TCS is known for its cutting-edge technology solutions and innovative approach to business.

• The company has a strong global presence with offices in multiple countries, providing opportunities for international exposure.

• TCS offers a wide range of career development programs and opportunities for growth within the org