Fiber Optic Quiz

Gigabit Ethernet is defined by the IEEE _____ standard.

• 802.11

• 802.3z

• 802.3g

• 802.3a

A(n) _____ is a device for testing and troubleshooting long runs of fiber-optic cable

• optical time domain reflectometer

• punch down tool

• tone generator

• digital multimeter

From the innermost portion moving outward, the order of fiber-optic cable elements are _____.

• glass or plastic core, sheath, buffer, cladding

• glass or plastic core, buff er, sheath, cladding

• glass or plastic core, cladding, buffer, sheath

• glass or plastic core, buff er, cladding, sheath

Which of following describes the joining of two fiber-optic cores with heat to melt the materials together?

• Fusion splice

• Mechanical splice

• Cleaving

• Termination

Major causes of attenuation in fiber-optic cable can be characterized as scattering, dispersion, extrinsic losses, and _____.

• interference

• Fresnel reflection loss

• magnetic induction

• crosstalk

A(n) _____ wave is a form of energy that behaves like a wave and can travel through a vacuum.

• sound

• radio

• electromagnetic

• surface

Th e broad classifications of fiber-optic cable based on the diameter of the core are _____ and _____.

• multimode, single-mode

• graded-index, multimode

• step-index, multimode

• graded-index, step-index

Classifications of fiber-optic cable based on the design of the cable core are _____ and _____.

• single mode, graded-index

• graded-index, step-index

• multimode, single-mode

• step-index, single-mode

In 10GBaseLW cabling, the LW refers to _____.

• link wave

• long wavelength

• lingering wavelength

• light wave

Which of the following describes a standard developed by ANSI that employs fiber-optic cable over great distances?

• RAID

• Extranet

• FDDI

• 10GBaseW