Tech Mahindra PMO Lead Interview Questions and Answers

I have over 5 years of experience leading PMOs in various organizations.

• Led cross-functional teams to successfully deliver projects on time and within budget

• Implemented project management best practices to improve efficiency and effectiveness

• Developed and maintained project plans, schedules, and budgets

• Managed stakeholder relationships and communication effectively

Progress on previous two rounds was on track with successful completion of key milestones.

• Successfully completed all deliverables within the specified timeline

• Met or exceeded project goals and objectives

• Maintained effective communication and collaboration with stakeholders

• Implemented necessary changes based on feedback received

• Resolved any issues or roadblocks in a timely manner

Led a team in implementing project management processes and tools to improve efficiency and communication.

• Implemented project management software to track progress and milestones

• Developed standardized project templates for consistency

• Led regular project status meetings to ensure alignment and address issues

• Provided training and support to team members on project management best practices

The Java Virtual Machine (JVM) is an abstract computing machine that enables a computer to run Java programs.

• JVM is platform-independent and converts Java bytecode into machine code.

• It consists of class loader, runtime data areas, execution engine, and native method interface.

• JVM memory is divided into method area, heap, stack, and PC register.

• Examples of JVM implementations include Oracle HotSpot, OpenJ9, and GraalVM.

The default connection pooling in Spring Boot is HikariCP, which can be customized through properties in the application.properties file.

• HikariCP is the default connection pooling library in Spring Boot, known for its high performance and low overhead.

• To customize the connection pooling, you can modify properties like 'spring.datasource.hikari.*' in the application.properties file.

• For example, you can set maximum pool ...read more

Best practices for optimizing a Spring Boot application

• Use Spring Boot Actuator to monitor and manage application performance

• Implement caching mechanisms like Spring Cache to reduce database calls

• Optimize database queries and indexes for better performance

• Use asynchronous processing with Spring's @Async annotation for non-blocking operations

• Profile and analyze application performance using tools like VisualVM or JProfi

A heap dump is a snapshot of the memory usage of a Java application at a specific point in time.

• Heap dumps can be generated using tools like jmap or VisualVM.

• They provide detailed information about objects in memory, their sizes, and references.

• Analyzing a heap dump can help identify memory leaks by pinpointing objects that are consuming excessive memory.

• Common signs of memory leaks in a heap dump include a large numbe...read more

Diagonally iterate through and print elements of a 2D array of strings.

• Use nested loops to iterate through rows and columns of the 2D array.

• Calculate the diagonal elements by incrementing row and column indices together.

• Print the elements as you iterate through the diagonal of the array.