Computer Networking / Study Guide with Key Exam Questions and Answers

Co mputer
Computer networking studyNetwo
guide rking
with key exam questions and answers
Study this set o nline at: https://www.cram.co m/flashcards/co mputer-netwo rking-
13263109




L a ye r 1 of the networki ng model whi ch i ncl udes . . .
* T h e ph ys i c a l d e vi c e s t h a t i nt e rc o nne c t c o mpu t e rs
* T h e s pe c i f i c a t i o ns f o r t h e ne t w o rk i ng c a b l e s (R J 4 5)
P H YSI CAL LAYER * T h e c o nne c t o rs t h a t j o i n d e vi c e s t o g e t h e r
* T h e s pe c i f i c a t i o ns o f d e s c ri b i ng o f h o w a s i g na l i s s e nt o ve r
t h e s e c o nne c t o rs




L a ye r 2 of the networki ng l ayer. Someti mes ref erred as N e t w o rk I nt e rf a c e or
N e t w o rk Ac c e s s L a ye r whi ch i ncl udes....
* D e f i ni ng a c o mmo n w a y o f i nt e rpre t i ng t h e s i g na l s s o N e t w o rk
d e vi c e s c a n c o mmu ni c a t e
D ATA LI N K LAYER * E t h e rne t pro t o c o l s a re t h e mo s t u s e d pro t o c o l s a t t h i s l a ye r
* W i re l e s s t e c h no l o g i e s a re a l s o a t t h i s l a ye r a nd a re a l s o mo s t
u s e d pro t o c o l s
* E t h e rne t s t a nd a rd s a l s o d e f i ne a pro t o c o l re s po ns i b l e f o r
g e t t i ng d a t a t o no d e s o n t h e s a me ne t w o rk o r l i nk




* D e f i ne a pro t o c o l re s po ns i b l e f or getti ng d a t a to no d e s on the

ETH ERN ET STAN D ARD S S AM E N E T W OR K or L I N K
* Located at L AY E R 2 aka D AT A L I N K




L a ye r 3 of the networki ng model . Can be cal l ed N e t w o rk i ng l a ye r whi ch....
* Al l o w s d i f f e re nt ne t w o rk s t o c o mmu ni c a t e w i t h e a c h o t h e r

N ETWORK LAYER t h ro u g h d e vi c e s k no w n a s ro u t e rs
* I s re s po ns i b l e f o r g e t t i ng d a t a d e l i ve re d a c ro s s a c o l l e c t i o n
o f ne t w o rk s




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