HCLTech Technical Lead Interview Questions, Process, and Tips

Path attributes in BGP are used to provide information about the path a route has taken.

• Path attributes include AS path, next hop, origin, local preference, etc.

• AS path shows the AS numbers the route has traversed.

• Next hop is the IP address to reach the next router.

• Origin indicates how the route was originated (IGP, EGP, or incomplete).

• Local preference is used to influence outbound traffic.

• Other attributes include MED,

CQRS Pattern separates read and write operations in an application.

• CQRS stands for Command Query Responsibility Segregation.

• It separates the read and write operations of an application into two different models.

• Commands are used for write operations, while queries are used for read operations.

• CQRS helps in achieving better scalability, performance, and maintainability.

• Example: Using CQRS, an e-commerce application can ...read more

Agile is a set of principles and values for software development, while SAFe is a framework for scaling agile practices across an organization.

• Agile focuses on individuals and interactions over processes and tools, while SAFe emphasizes alignment, collaboration, and delivery at scale.

• Agile promotes flexibility and adaptability in responding to change, whereas SAFe provides a structured approach for implementing agile p...read more