Tata Communications Transformation Services Interview Questions and Answers

Submarine cable communications involve undersea cables that transmit data globally, forming the backbone of internet connectivity.

• Submarine cables are laid on the ocean floor and connect continents, enabling international communication.

• They carry about 99% of global internet traffic, making them crucial for data transfer.

• Examples include the MAREA cable, which connects the U.S. to Spain, and the SEA-ME-WE 3 cable,...read more

Fiber cable is a high-speed data transmission medium made of glass or plastic fibers, used for internet and telecommunications.

• Fiber optic cables transmit data as light signals, allowing for faster speeds compared to copper cables.

• They are less susceptible to electromagnetic interference, making them ideal for long-distance communication.

• Fiber cables come in two types: single-mode (for long distances) and multi-mo...read more

BGP (Border Gateway Protocol) is the protocol used to exchange routing information between autonomous systems on the internet.

• BGP is a path vector protocol, which maintains the path information that gets updated dynamically as the network topology changes.

• It operates over TCP, typically using port 179, ensuring reliable transmission of routing information.

• BGP uses attributes like AS-path, next-hop, and local prefe...read more

ODPF stands for Open Data Plane Framework, which standardizes data plane operations for networking devices and applications.

• Standardization: ODPF provides a common framework for data plane operations, ensuring interoperability between different networking devices.

• Performance Optimization: It focuses on optimizing data processing and forwarding, which is crucial for high-performance networking applications.

• Flexibil...read more

I manage project milestones through clear planning, regular updates, and effective software tools like Asana and Trello.

• Define clear milestones at the project's outset to set expectations.

• Use Gantt charts to visualize timelines and dependencies.

• Conduct regular check-ins to assess progress against milestones.

• Utilize project management software like Asana for task assignments and tracking.

• Implement Agile methodologi...read more

Addressing an exceeded project budget requires analysis, communication, and strategic adjustments to realign financial goals.

• Conduct a thorough budget review to identify the reasons for the overspend, such as unexpected costs or scope changes.

• Engage stakeholders to discuss the budget issues and gather input on potential solutions, ensuring transparency.

• Prioritize project tasks and deliverables to focus on essentia...read more