Metallic impurities are eliminated from optical fiber by:

IEEE 802.5 is a/an ________.

Graded-index fibers have:

What would the optical return loss (ORL) be defined as when r-fresnal reflection occurs at a fiber-air interface?

Optical time domain reflectometry (OTDR) is a/an ________.

Intermodal dispersion is less in a __________.

FDDI is _______.

What happens when dispersion occurs?

Superluminescent LED's are preferred because of _______.

In p-i-n photodiodes 'i' stands for:

The information carrying capacity of optical fibers is in the range of: