10+ G M Engineering Interview Questions and Answers

Single mode fiber has a smaller core diameter and allows for higher bandwidth and longer distances than multimode fiber.

• Single mode fiber has a core diameter of 9 microns, while multimode fiber has a core diameter of 50 or 62.5 microns.

• Single mode fiber allows for higher bandwidth and longer distances than multimode fiber.

• Multimode fiber is less expensive than single mode fiber.

• Single mode fiber is commonly used in long-distance telecommunications and data transmission, while...read more

Field technicians should be managed with clear communication, proper training, and regular feedback.

• Establish clear expectations and goals for the technician

• Provide thorough training and resources to ensure they have the necessary skills and knowledge

• Communicate regularly to provide feedback and address any issues

• Encourage open communication and collaboration between the technician and other team members

• Recognize and reward good performance to motivate and retain the technici...read more

Actual fiber loss refers to the amount of signal attenuation that occurs in a fiber optic cable.

• Fiber loss is measured in decibels per kilometer (dB/km)

• Factors that contribute to fiber loss include scattering, absorption, and bending

• The type of fiber, wavelength of light, and length of the cable also affect fiber loss

• Fiber loss can be minimized through proper installation and maintenance

• Typical fiber loss ranges from 0.2 dB/km to 0.5 dB/km

The wavelength is the distance between two consecutive peaks or troughs of a wave.

• It is usually measured in meters or nanometers.

• The wavelength of visible light ranges from 400 to 700 nanometers.

• Different types of waves have different wavelengths, such as radio waves, microwaves, and X-rays.

• The wavelength of a wave can affect its properties, such as its energy and frequency.

OTDR stands for Optical Time Domain Reflectometer. It is a device used to measure the characteristics of an optical fiber.

• OTDR is commonly used in the telecommunications industry to troubleshoot and maintain fiber optic networks.

• It sends a pulse of light into the fiber and measures the time and strength of the reflections to determine the fiber's length, loss, and any faults.

• OTDR can detect events like splices, connectors, and breaks in the fiber.

• It provides a graphical repre...read more

To verify a fault, follow a systematic approach to identify the root cause.

• Gather information about the issue from the user or system logs.

• Isolate the problem by testing different components or subsystems.

• Use diagnostic tools to identify the root cause of the issue.

• Verify the solution by testing the system after the fix has been implemented.

• Document the fault and the steps taken to resolve it for future reference.

Optic fiber is a thin, flexible, transparent fiber made of glass or plastic that transmits light signals over long distances.

• Optic fiber is used for high-speed data transmission and telecommunications.

• It consists of a core, cladding, and protective coating.

• There are two main types of optic fiber: single-mode fiber and multi-mode fiber.

• Single-mode fiber has a small core and is used for long-distance communication.

• Multi-mode fiber has a larger core and is used for shorter dista...read more

The Spain loss refers to the defeat of the Spanish national football team in a particular match or tournament.

• It could refer to a specific game or tournament where Spain lost

• It could also refer to a general trend of poor performance by the Spanish team

• Examples include Spain's loss to Russia in the 2018 World Cup or their failure to advance past the group stage in the 2014 World Cup

OTDR stands for Optical Time Domain Reflectometer. ONT is installed to provide fiber optic connectivity to end users.

• OTDR is a device used to measure the characteristics of an optical fiber, such as loss, length, and quality.

• It sends a pulse of light into the fiber and analyzes the reflections and scattering of light to determine the fiber's condition.

• OTDR is commonly used for troubleshooting and maintenance of fiber optic networks.

• ONT (Optical Network Terminal) is installed ...read more

FTTH stands for Fiber to the Home, which is a type of broadband internet service that uses fiber optic cables to deliver high-speed internet directly to homes and businesses. A FAT joint is a type of fiber optic splice that is used to connect two or more fiber optic cables together.

• FTTH is a type of broadband internet service that uses fiber optic cables to deliver high-speed internet directly to homes and businesses

• FAT joint is a type of fiber optic splice that is used to co...read more