BT Business Senior Network Engineer Interview Questions and Answers

Troubleshooting alarms in Optical Transport Networks (OTN) involves systematic diagnosis of issues affecting signal integrity.

• Check alarm indicators on the OTN equipment to identify specific issues.

• Verify physical connections and ensure all cables are securely connected.

• Examine the configuration settings for any discrepancies or errors.

• Use diagnostic tools to analyze signal quality and performance metrics.

• Review logs f...read more

In my previous role, I focused on software development, team collaboration, and project management to deliver high-quality solutions.

• Developed and maintained software applications using Java and Python, ensuring code quality through regular reviews.

• Collaborated with cross-functional teams, including product management and QA, to define project requirements and timelines.

• Led daily stand-up meetings to discuss progress, ...read more

Expected CTC and take home should be based on industry standards and the candidate's experience and skills.

• Expected CTC should be in line with industry standards for the position and the candidate's experience level.

• Take home pay should be calculated after deductions like taxes and insurance.

• Candidates can research average salaries for similar roles in the industry to get an idea of what to expect.

• Negotiation is common...read more

An OTN frame consists of a structured format for transporting data over optical networks, ensuring efficient and reliable transmission.

• OTN frames are composed of a fixed-size payload and overhead for management.

• The main components include the Optical Payload Unit (OPU), Optical Transport Unit (OTU), and Forward Error Correction (FEC).

• The OPU carries client signals, while the OTU encapsulates the OPU for transport.

• FEC e...read more

Inverting bits means flipping each bit in a binary representation from 0 to 1 and from 1 to 0.

• Bitwise NOT Operator: In many programming languages, the bitwise NOT operator (~) can be used to invert bits. For example, ~5 (binary 0101) results in -6 (binary 1010).

• Binary Representation: To invert bits, first convert a number to its binary form. For example, the binary of 6 is 110, and inverting it gives 001.

• Example: Inver...read more

BOQ of 1 km LT line is a document that lists all the items required for the construction of a 1 km low tension line.

• BOQ stands for Bill of Quantities

• The BOQ includes details of materials, quantities, and prices

• The BOQ helps in estimating the total cost of the project

• Example items in the BOQ for a 1 km LT line: conductor, insulators, poles, transformers, hardware fittings, etc.

Standard size of a brick is 3 5/8 inches x 2 1/4 inches x 8 inches.

• Standard size of a brick is 3 5/8 inches x 2 1/4 inches x 8 inches

• Brick sizes can vary slightly depending on the manufacturer or region

• Bricks are commonly used in construction for building walls, pavements, and other structures