Helo.ai by VivaConnect Interview Questions, Process, and Tips

Node.js uses an event-driven, non-blocking I/O model to handle concurrency.

• Node.js uses an event loop to handle multiple requests simultaneously.

• It uses callbacks to handle I/O operations asynchronously.

• It also supports worker threads for CPU-intensive tasks.

• Node.js provides a cluster module to create child processes for load balancing.

• It can handle thousands of concurrent connections efficiently.

Left join returns all records from left table and matching records from right table. Right join returns all records from right table and matching records from left table.

• Left join is used to retrieve all records from the left table and matching records from the right table.

• Right join is used to retrieve all records from the right table and matching records from the left table.

• If there is no match in the right table for...read more

I want to work with you because of your reputation in the industry and the exciting projects you are working on.

• I am impressed by your company's reputation in the industry.

• I am excited about the challenging and innovative projects you are involved in.

• I believe working with your team will provide great learning and growth opportunities.

• Your company's culture and values align with my own.

• I am motivated by the opportunity

I am leaving my current organization to pursue new challenges and opportunities.

• Seeking career growth and advancement

• Looking for a more challenging and stimulating work environment

• Wanting to work with new technologies and expand my skillset

• Desire for better work-life balance

• Company restructuring or changes in management

• Relocation or personal reasons

Different prioritization frameworks help product managers make informed decisions on what to focus on.

• MoSCoW method (Must have, Should have, Could have, Won't have)

• Kano model (Basic needs, Performance needs, Excitement needs)

• Value vs. Effort matrix (High value, Low effort items first)

• RICE framework (Reach, Impact, Confidence, Effort)

• Weighted scoring model (Assigning weights to different criteria)

Product management allows me to combine my passion for technology, user experience, and business strategy to create innovative solutions.

• I enjoy the process of identifying market needs and translating them into product features

• I thrive in cross-functional collaboration with teams like engineering, design, and marketing

• I am motivated by the opportunity to drive product success and impact user satisfaction

A cluster is a group of interconnected computers or servers that work together to perform a specific task or provide a service.

• Clusters are used to improve performance, scalability, and availability of applications.

• They can be used for tasks such as data processing, web hosting, and scientific research.

• Examples of cluster technologies include Hadoop for big data processing and Kubernetes for container orchestration.

Child threads are independent threads that are created by a parent thread.

• Child threads are created within a parent thread and share the same resources.

• They can perform tasks concurrently with the parent thread.

• Child threads can communicate with each other through shared memory or message passing.

• Examples include creating multiple threads to handle different parts of a complex computation or to handle multiple client r