Optical Fiber Theory for BICSI/FOA

The fiberglass rod inside many fiber-optic cables is for

Loss of fiber or any fiber in a cable is measured in

A fiber stripper removes the ? of the fiber.

Identify the proper designation for the following cable type

Fiber-optic links generally use two fibers for full duplex (bidirectional) links

? will facilitate installation, allow better planning for upgrades, and simplify testing

Fiber amplifiers & dense wavelength devision multiplexers (DWDM) work in the ? wavelength range

Besides causing attenuation, dirt particles can cause scratches on the polished fiber ends.

Multimode fiber systems operation at speeds of 1 gigabit per second or more use ? sources.

Telephone networks have been converted to fiber but fiber to the home is not yet feasible.

Which fiber specification is most important to the user and is an important factor in testing

Which type of dispersion affects singlemode fiber as well as multimode fiber

Rays of light transmitted in multimode fiber are called

Metal components of cabling system installed in equip or telecom room must be grounded/bonded

Armored cable is used in outside plant installations to

Min long-term bend radius of installed fiber-optic cable is usually specified as no less than

The ? protects the fiber from harm.

Total loss of fiber in cable plant is calc by multiplying attenuation coefficient of fiber by

The most helpful info a worker can have when troubleshooting a cabling network for restoration

Which reference method is required for TIA 568

Singlemode fiber has a smaller core than multimode fiber.

Ten dB corresponds to a factor of ? in power.

Outside plant cabling (OSP) can be installed by

Wavelength of light used for most fiber optic systems is in the ? region and ? to the human eye

Outside plant cabling can be installed by

Splicing is very rare in premises networks.

The loss of a multimode graded index fiber is greatest at

Premise cables in local area network (LAN) backbones often contain

The OTDR should never be used without a "launch cable" also called a "pulse suppressor"

The advantage of a breakout cable over a distribution cable is

Factory terminations use which method of attaching the connector to the cable

The design of cables for high pulling tension in outside plant installations is usually

The difference between a fiber-optic connector and a splice is

In an optical fiber, the light is transmitted through the

Cable ties used on fiber-optic cables

Underground cable generally include a gel, powder, or tape for protection from

Which of the following are NOT necessary in a centralized fiber-optic cabling architecture

The first version of TIA/EIA 568 standard for premises cabling called of the use of

The ? of a laser makes the effective bandwidth of multimode fiber higher than with LEDs.

Fiber-optic network designers should have an indepth knowledge of

Which on of the following performance requirements are not shared by connectors and splices

Reference cables must match the ? of the cables being tested

Identify the proper designation for the following cable type

The principle of operation of OTDRs is similar to

Biggest advantage of optical fiber is its the most cost effective means of transporting info

The industry standard that covers structured cabling, both fiber and copper is

It may be more cost effective for fiber-optic cabling in many projects to be custom designed

Identify the proper designation for the following cable type

The standard method of testing installed multimode cables in a cable plant is described in

Fiber-optic network design involves

OTDRs are used in outside plant cables to

What is the core size of singlemode fiber

Identify the proper designation for the following cable type

What wavelengths are appropriate for use with multimode fiber

Dangerous light from fiber-optic cables is bright and easily visible.

Connectors at each end of the cable plant should not be counted when calc the cable plant loss

Singlemode (SM) fiber has ? light-carrying core than multimode (MM) fiber.

? of cable plant is part of design & install process for fiber-optic network that is overlooked

Premises cables must be rated for ? to meet codes.

Cables that contain both multimode and singlemode fibers are called

Vertical cable runs should preferably be installed by

Both mechanical splices and prepolished/splice connectors require a good ? to have low loss

Short wavelength 850-nanometer links can use ? detectors in the receiver

Metropolitan networks can involve which of the following systems

To prevent the cable from twisting when pulling it, a worker should

Armored cable is used in outside plant installations to

Physical contact (PC) polish on connectors is designed to reduce

Cable plant loss should be estimated during the ? phase

Cables should always be pulled with ? to prevent damage

Singlemode transceivers use ? sources for their higher coupled power and bandwidth.

Fiber is used in long-distance data networks because it is much cheaper than copper wire.

The bandwidth and distance capability of optical fiber means that

Structured cabling installed to TIA-568 standards uses a ? cabling architecture

Fiber-optic network designers should have a knowledge of

Discussions of which is better are no longer relevant, as fiber is the only choice

Any cable that contains metallic conductors must be properly grounded and bonded

How many methods are included in standards for setting the "0dB" reference for loss testing

Loose tube cable requires a ? to terminate with connectors

The first consideration for any network is choosing the proper fiber-optic cable type

Which fiber-optic test instrument uses backscattered light for measurements

What type of source is used for testing singlemode fiber

Most outside plant (OSP) installations are single-mode (SM) fiber

Fiber optics is used in cars to connect their electronic systems.

Most SM field terminations are made by fusion splicing a factory made pigtail onto the cable

Identify the following connector

Multimode transceivers use ? sources depending on their rqmts for coupled power and bandwidth

To choose a cable properly one needs to understand, install, envir specs

Upgrading cables in a TR, old cables can be cut back to wall & left, as long as its firestopped

In an industrial environment, fiber is most often used to

Black polyenthylene jackets are used on outdoor cables for

Copper Networks can be converted to fiber optics using

Most premises networks today should use ? MM fiber but backbone cables can contain ? fibers

Concatenation or the joining of two cables in a long outside plant run is almost always done by

Cables tested with an OTDR do not require insertion loss testing with a source and OLTS

The diameter of an optical fiber is traditionally measured in

What test instrument(s) are used for insertion loss testing

In singlemode connectors, ? is as important as low loss

The first requirement that must be considered for a new fiber-optic project is

Industrial app often use fiber-optics for its noise immunity rather than distance & bandwidth

Which fiber typically has the largest core

In premises applications, OTDRs are limited in usefulness by their

The SC and LC connectors have different size ferrules and cannot be mated

MM graded-index glass fiber-optic cables are tested with ? sources at ? and ? wavelengths

Identify the following connector

Singlemode fiber has ? bandwidth than multimode fiber

What connector style is now specified in the latest 568 standard

Identify the following connector

No cable should be installed indoors unless it

Identify the proper designation for the following cable type

Light-emitting diode (LEDs) have higher output power and bandwidth than lasers.

Most building management systems use ? cabling

Optical fibers can transmit either analog or digital signals.

Information on the safety of chemicals used in fiber optics are

Identify the following connector

What is needed to get low loss from a prepolished/splice connector

Under pulling tension, the bend radius should not be less than

Cables with metallic conductors as well as fiber are called

Always keep ? on connectors when not connected to equipment or being tested.

Testing a fiber-optic installation may require

Identify the proper designation for the following cable type

Which of the following communications systems typically use fiber-optic backbones

All outdoor cable are specifically designed to

The protective gear every VDV installer must always wear is

The largest contributor to fiber attenuation is