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WGU D315 NETWORK AND SECURITY FOUNDATION OBJECTIVE ASSESSMENT EXAM LATEST COMPLETE 400 QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+.| click on ALSO AVAILABLE IN PACKAGE DEAL. You'll get more for less!" $26.99
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WGU D315 NETWORK AND SECURITY FOUNDATION OBJECTIVE ASSESSMENT EXAM LATEST COMPLETE 400 QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+.| click on ALSO AVAILABLE IN PACKAGE DEAL. You'll get more for less!"
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WGU D315 NETWORK AND SECURITY FOUNDATION
OBJECTIVE ASSESSMENT EXAM LATEST 2024-2025
COMPLETE 400 QUESTIONS AND CORRECT VERIFIED
ANSWERS ALREADY GRADED A+
WGU D315 NETWORK AND SECURITY FOUNDATION OBJECTIVE ASSESSMENT
Q: What part of an optical fiber carries the light - ANSWER-the core of an optical fiber carries
the light
Q: What is a measure of fibers light acceptance - ANSWER-numerical aperture
Q: typical core/cladding sizes in microns for multimode fiber - ANSWER-50/125um and
62.5/125um
Q: Typical core size for single fiber mode - ANSWER-7 to 10 um
Q: what are the two key distance limiting parameters in fiber optic transmission - ANSWER-
attenuation and dispersion
Q: four factors that contribute to attenuation - ANSWER-scattering, absorbtion, macrobending,
microbending
Q: three types of dispersion - ANSWER-modal, chromatic, polorazation mode
Q: two light sources used in fiber optic - ANSWER-diode laser
1
,Page 2 of 174
light emitting diode
Q: max length of multimode fiber - ANSWER-2km
Q: max length of single mode fiber - ANSWER-80km
Q: EIA - ANSWER-electronics industries alliance
Q: TIA - ANSWER-Telecommunications industry association
Q: six subsystems of a structured cabling system - ANSWER-building entrance
equipment room
backbone cabling
telecom closet
horizontal cabling
work area
Basic elements of a fiber-optic communication plan - ANSWER-fiber, optical light source,
photosensitice detection, efficient optical connection
Q: Advantages of fiber optics - ANSWER-bandwidth
immunity to electrostatic interference
elimination of crosstalk
lower signal attenuation
2
,Page 3 of 174
lower cost
safety
no corrosion problem
security
Q: Commonly used wavelengths in fiber-optic systems - ANSWER-850 nm
1310 nm
1550 nm
1600-1625 nm
Q: Permanent networking cabling within a building - ANSWER-horizontal cabling
Q: cross=connect - ANSWER-a space where one or more cables connect to one or more cables
or equipment
Q: main cross-connect - ANSWER-usually connects two or more building
Q: ISP and teleco usually connect to which room in the campus heirarchy - ANSWER-Main cross
connect
Q: what is WO - ANSWER-work area
it is the area where the horizontal cross connect terminates
3
, Page 4 of 174
Q: length limitation for individual cable from telecom closet to networking device - ANSWER-
100 meters
Q: general rule for cable to run from telecom closet to work area - ANSWER-90meters
Q: RJ-45 # of pins - ANSWER-8
Q: Difference between Cat5 and Cat5e - ANSWER-Cat5e is enhances and can carry 1000mbps
cat5 is only 100mbps
Q: data rate of ethernet - ANSWER-10mbps
Q: fast ethernet data rate - ANSWER-100mbps
Q: what improvements do CAT6 and CAT7 offer - ANSWER-each provides maximum bandwidth
so improved data rates
Q: data rate for gigabit ethernet - ANSWER-1000Mbps
Q: benefits of shielded twisted pair cabling - ANSWER-reduces potential for electromagnetic
interference
Q: is UTP or STP preffered by the industry - ANSWER-usually UTP because the benefits of STP
are contrasted by the cost of instalation and additional cable
4
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