3-6-6
Discussions of which is better—copper, fiber, or wireless—are no longer relevant, as fiber is the only choice. Select one: True False
False
The first consideration for any network is choosing the proper fiber-optic cable type. Select one: True False
False
It may be more cost effective for the fiber-optic cabling in many projects to be custom designed and made. Select one: True False
True
Testing a fiber-optic installation may require testing three times—testing the cable before installation, testing each segment as installed, and final testing of end-to-end loss. Select one: True False
True
Which is the most helpful information a worker can have when trying to troubleshoot a cabling network for restoration? a.Documentation b.Loss data on each fiber c.OTDR traces d.Phone number of a fiber-optic contractor
a.Documentation
? of the cable plant is a necessary part of the design and installation process for a fiber-optic network that is often overlooked. a.CAD-CAM drawing b.Documentation c.OTDR testing d.Planning
b.Documentation
The first requirement that must be considered for a new fiber-optic project is ? . a.the customer's budget b.the customer's communications system requirements c.where the cable plant will be run d.whether it will be multimode or single-mode fiber
b.the customer's communications system requirements
Most building management systems use ? cabling. a.coax b.fiber optic c.proprietary copper d.structured
c.proprietary copper
Most premises networks today should use ? multimode fiber, but backbone cables can contain ? fibers for future expansion. a.OM1 / OM3 b.OM1 / single-mode c.OM2 / OM3 d.OM3 / single-mode
d.OM3 / single-mode
Fiber-optic network design involves ? . a.choosing appropriate cabling and media b.determining the types of communications systems involved c.planning the routes for all cabling or wireless d.all of the above
d.all of the above
Fiber-optic network designers should have an in-depth knowledge of ? . a.all applicable standards, codes, and any other local regulations b.fiber-optic components and systems c.installation processes d.all of the above
d.all of the above
Metropolitan networks can involve which of the following systems? a.Closed-circuit television (CCTV) surveillance cameras b.Educational systems c.Emergency services d.Traffic monitoring e.All of the above
e.All of the above
Fiber-optic network designers should have knowledge of electrical power systems and hardware as well as communications design. Select one: True False
true
