Fiber Planning Engineer Interview Questions and Answers

Updated 16 Jul 2024

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Q1. What is the minimum and maximum depth of bore and trench ?

Ans.

The minimum and maximum depth of bore and trench varies depending on the specific project requirements and local regulations.

Minimum depth of bore and trench is typically around 24 inches to ensure proper protection and support for the fiber optic cables.
Maximum depth of bore and trench can range from 36 inches to 60 inches, depending on factors such as soil conditions, road crossings, and utility clearances.
Local regulations and project specifications should always be consul...read more

Ans.

The width of conduit used for fiber placement varies depending on the number of fibers being installed.

Conduit width typically ranges from 1 inch to 4 inches for fiber placement.
The width is determined based on the number of fibers being installed and the type of fiber optic cables used.
For example, a conduit width of 1 inch may be sufficient for a small number of fibers, while a width of 4 inches may be needed for a larger installation.

Ans.

Clearances from utilities are necessary to avoid interference and damage to the optical fiber path.

To prevent accidental damage to the fiber optic cables during maintenance or construction work by utility companies.
To ensure that there is no interference from existing utility lines that could affect the performance of the optical fiber network.
To comply with safety regulations and standards to prevent accidents and ensure the reliability of the network.
To avoid costly repairs...read more

Ans.

Boring involves drilling a hole underground for installation, while trenching involves digging a trench for laying cables or pipes.

Boring involves drilling a hole underground using specialized equipment, while trenching involves digging a trench using machinery like excavators.
Boring is typically used when minimal disruption to the surface is desired, while trenching is used when a larger area needs to be excavated.
Boring is more expensive but can be faster and less disruptiv...read more

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Ans.

Trenching is generally more cost effective than boring for fiber planning.

Trenching is typically cheaper upfront as it requires less specialized equipment and labor compared to boring.
Boring may be more expensive initially due to the need for specialized machinery and skilled operators.
However, in certain situations where trenching is not feasible or cost-effective, boring may be the preferred method.
Factors such as soil conditions, existing infrastructure, and project timeli...read more

Ans.

My strengths include strong analytical skills, attention to detail, and excellent problem-solving abilities.

Strong analytical skills - able to analyze complex data and identify patterns
Attention to detail - meticulous in planning and executing fiber network designs
Excellent problem-solving abilities - adept at finding creative solutions to challenges

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Ans.

Fiber planning for last mile connectivity involves designing and implementing the network infrastructure to connect end users to the main network.

Identify the target area for last mile connectivity
Design the fiber optic network layout considering factors like distance, capacity, and future scalability
Select appropriate fiber optic cables, equipment, and technologies for the network
Plan for efficient routing and distribution of fibers to reach end users
Ensure proper installati...read more