FOA Reference Guide to Fiber Optics (100% correct answers)

Most outside plant installations are singlemode fiber. correct answers True Splicing is very rare in premises networks. correct answers True Concatenation or the joining of two cables in a long outside plant run is almost always done by ________ correct answers Fusion splicing Fiber is used in long distance phone networks because it is much cheaper than copper wires. correct answers True Dangerous light from fiber optics cable is bright and easily visible. correct answers False Besides causing attenuation, dirt particles can cause scratches on the polished fiber end. correct answers True Outside plant cabling can be installed by __________ correct answers Underground in conduit, Direct burial and Aerial suspension. Underground cable generally includes gel, powder or tape for protection from _________ correct answers Moisture Armored cable is used in outside plant installations to _________ correct answers Prevent crushing & rodent damage Premise cables in LAN backbones often contain _________ correct answers Both multimode and singlemode fiber Premise cables must be rated for _________ to meet codes. correct answers Fire retardence The protection gear every VDV installer must always wear is ________ correct answers Eye protection Information on the safety of chemicals used in the fiber optics are _________ correct answers In MSDS sheets supplied by the manufacturer Always keep ________ on connectors when not t connected to equipment or being tested. correct answers Dust caps Optical fibers can transmit either analog or digital signals. correct answers True Singlemode fiber has a smaller core than multimode fiber. correct answers True