Description : In the core, the angle of incidence equals the angle of ____________________
Last Answer : reflection
Description : The core of fiber-optic cable is surrounded by ∙ A. wire braid shield ∙ B. Keviar ∙ C. cladding ∙ D. plastic insulation
Last Answer : ∙ C. cladding
Description : The core of a fiber optic is surrounded by ∙ a. Wire braid shield ∙ b. Kevlar ∙ c. Cladding ∙ d. Plastic insulation
Last Answer : ∙ c. Cladding
Description : In SONET, SPE stands for synchronous payload ____________________.
Last Answer : envelope
Description : SONET frame rows contain path overhead and ____________________ overhead.
Last Answer : transport
Description : The number of path overhead bytes in a SONET frame row is ____________________.
Last Answer : 1
Description : The total number of overhead bytes in a SONET frame row is ____________________.
Last Answer : 4
Description : The number of rows in a SONET frame is ____________________.
Last Answer : 9
Description : The number of bytes in the payload of a SONET frame is ____________________.
Last Answer : 774
Description : The number of bytes in a SONET frame is ____________________.
Last Answer : 810
Description : SONET frames have considerably more ____________________ than do DS frames for information about signal routing and setup.
Last Answer : overhead
Description : The data rate of an FDDI system is ____________________ bps.
Last Answer : 100 M
Description : FDDI uses ____________________ mode cables.
Last Answer : multi
Description : Each ____________________ in an FDDI system acts as a regenerative repeater.
Last Answer : node
Description : The two rings of an FDDI system carry data in ____________________ directions.
Last Answer : opposite
Description : FDDI systems use two ____________________ rings to carry signals.
Last Answer : token
Description : SONET uses a ____________________ to denote the starting position of an information frame.
Last Answer : pointer
Description : SONET does not use bit ____________________ to synchronize two digital signals.
Last Answer : stuffing
Description : The OC-1 line rate is ____________________ Mbps.
Last Answer : v51.84
Description : Dense ____________________ allows many different wavelengths of light to share a cable.
Last Answer : WDM
Description : Optical amplifiers use a ____________________ laser.
Last Answer : pump
Description : Optical amplifiers use ____________________-doped glass.
Last Answer : erbium
Description : FDDI stands for Fiber ____________________ Data Interface.
Last Answer : Distributed
Description : SONET stands for ____________________ Optical Network.
Last Answer : Synchronous
Description : WDM stands for ____________________-division multiplexing.
Last Answer : Wavelength
Description : SDH stands for Synchronous Data ____________________.
Last Answer : Hierarchy
Description : FITL stands for Fiber In The ____________________.
Last Answer : Loop
Description : FTTC stands for Fiber To The ____________________.
Last Answer : Curb
Description : For safety, you should never ____________________ at the end of an optical fiber unless you know it is not connected to a light source.
Last Answer : look
Description : A ____________________ diode is the usual light detector for single-mode
Last Answer : PIN
Description : The quantum of light is called the ____________________.
Last Answer : photon
Description : A ____________________ diode is the usual light source for single-mode cable.
Last Answer : laser
Description : Good connections are more critical with ____________________-mode fiber.
Last Answer : single
Description : A ____________________ is a short length of fiber that carries the light away from the source
Last Answer : pigtail
Description : The optical fiber is not free to move around in a ____________________ cable.
Last Answer : tight-buffer
Last Answer : loose-tube
Description : Dispersion can be expressed in units of ____________________ rather than
Last Answer : time
Description : For laser diodes, the term ____________________ is used instead of bandwidth.
Last Answer : linewidth
Description : In multimode fiber, ____________________ index has less dispersion than step index.
Last Answer : graded
Description : With optical fiber, ____________________ light is more common than visible light.
Last Answer : infrared
Description : Chromatic dispersion is also called ____________________ dispersion.
Last Answer : intramodal
Description : Optical fiber relies on total ____________________ reflection.
Last Answer : internal
Description : The numerical aperture is the ____________________ of the angle of
Last Answer : sine
Description : An electron-volt is a measure of ____________________
Last Answer : energy
Description : The ____________________ angle is where refraction changes to reflection.
Last Answer : : critical
Description : It refers to the abrupt of change in refractive index from core to clad ∙ A. step index ∙ B. graded index ∙ C. semi-graded index ∙ D. half step index
Last Answer : ∙ A. step index
Description : Single-mode step-index cable has a core diameter in the range of ∙ A. 100 to 1000 micrometer ∙ B. 50 to 100 micrometer ∙ C. 2 to 15 micrometer ∙ D. 5 to 20 micrometer
Last Answer : . 2 to 15 micrometer
Description : EMD is best described by which statement? ∙ A. 70 percent of the core diameter and 70% of the fiber NA should be filled with light. ∙ B. 70 percent of the fiber diameter and 70% of the ... be measured at the output. ∙ D. 70 percent of the unwanted wavelengths should be attenuated by the fiber.
Last Answer : 70 percent of the core diameter and 70% of the fiber NA should be filled with light.
Description : The core of a fiber-optic cable is made of ∙ A. air ∙ B. glass ∙ C. diamond ∙ D. quartz
Last Answer : B. glass
Description : Type of bend that occurs as a result of differences in thermal contraction rates between the core and the cladding material. ∙ A. Macrobending ∙ B. Microbending ∙ C. Quad bending ∙ D. Constant-radius bending
Last Answer : B. Microbending