ccna 1 mod 2
TRANSCRIPT
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1© 2004, Cisco Systems, Inc. All rights reserved.
CCNA 1 v3.1 Module 2Networking Fundamentals
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Data Networks
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Network History
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444© 2004, Cisco Systems, Inc. All rights reserved.
Network History continued
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555© 2004, Cisco Systems, Inc. All rights reserved.
Networking Devices
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Network To ology
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Network !rotocols
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"ocal#area Networks $"ANs%
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&ide#area Networks $&ANs%
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Metro olitan#Area Network $MANs%
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'torage#Area Networks $'AN'%
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(irtual !rivate Networks $(!Ns%
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)ene*its o* (!Ns
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+ntranet and ,-tranet (!N
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+m ortance o* )andwidt
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)andwidt !i e Analogy
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)andwidt Hig way Analogy
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)andwidt Measurements
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)andwidt "imitations $ Know this stuff %
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)andwidt T roug ut
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Digital Trans*er Calculation
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Digital versus Analog
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/sing "ayers to Analy0e !ro lems
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/sing "ayers to Descri e Data Communication
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252525© 2004, Cisco Systems, Inc. All rights reserved.
'+ Model $ Important to know %
! rogrammers
Do
Not
T row
' ausage
! i00a
Away
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'+ "ayers
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'+ "ayers
"#rovides connectivity $nd %$th selection &et'een t'o host
"#rovides (ogic$l $ddress
")o error correction, &est e**ort delivery.
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'+ "ayers
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'+ "ayers
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'+ "ayers
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'+ "ayers
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'+ "ayers
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!eer#to#!eer Communication
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TC! +! Model
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,nca sulation
Data
'egments
!acket
Frame
)its
Data
Data
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Names *or Data at ,ac "ayer
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'ummary