Jio Engineer Interview Questions and Answers

VFL stands for Visual Fault Locator, a tool used to visually locate faults in fiber optic cables. OTDR stands for Optical Time Domain Reflectometer, a device used to analyze the performance of fiber optic cables.

• VFL is a handheld device that emits a visible laser light to help identify breaks or bends in fiber optic cables.

• OTDR sends a pulse of light down the fiber and measures the time and intensity of the light refle...read more

Fiber colour coding is a system used to identify different types of fibers based on their color.

• Fiber colour coding helps technicians easily identify and differentiate between different types of fibers in a network.

• Different colors are assigned to different types of fibers, such as blue for single-mode fibers and orange for multimode fibers.

• Color coding is essential for proper installation, maintenance, and troubleshoo

There are different types of fiber, such as single-mode fiber and multi-mode fiber, each with its own characteristics and uses.

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

• Multi-mode fiber has a larger core size and is used for shorter distances.

• Other types of fiber include plastic optical fiber (POF) and specialty fibers like dispersion-shifted fiber (DSF) and photonic crystal