Fiber optics (A+ Graded already)

Most outside plant installations are singlemode fiber correct answers True Since most OSP installs are longer links,SM is the fiber of choice. Some utilities and municipak networks can use MM fiber but its less commom correct answers True Splicing is very rare premises networks correct answers True Fiber is used in long distance phone networks because it is much cheaper than copper wire correct answers True Dangerous light from fiber optic cables is bright and easily visible correct answers False Besides causing attenuation, dirt particlws can cause scratches on the polished fiber ends correct answers False Outside plant cabling can be installed by correct answers pulling it underground,direct burial,aerial suspension Underground cable generally includes a gel, powder or tape for protection from correct answers Moisture Armored cable is used in outside plant instaĺlations to correct answers prevent rodent damage Concatenation or the joining of two cables in a long outside plant run is almost always done by correct answers Fusion splicing Premise cables in LAN backbones often contain correct answers both multimode and singlemode fiber Premises cables must be rated for correct answers Fire retardance The protective gear every VDV installer must always wear is correct answers Eye protection Information on the safety of chemicals used in fiber optics are correct answers In MSDS sheets supplied by manufacturers Always keep .... on connectors when not connected to equipment or being tested correct answers Dust caps optical fibers can transmit either analog or digital signal correct answers True Singlemode fiber has smaller core than multimode fiber correct answers True in an optical fiber,the light is transmitted through the... correct answers core