Lecture 6 The Communication System Finalterm Slides
Chap 03 underlying technology
1. CChhaapptteerr 33
UUnnddeerrllyyiinngg TTeecchhnnoollooggyy
Objectives
Upon completion you will be able to:
• Understand the different versions of wired Ethernet
• Understand wireless Ethernet
• Understand the types of point-to-point WANs
• Understand the types of switched WANs, especially ATM
• Differentiate between repeaters, bridges, routers, and hubs
TCP/IP Protocol Suite 1
21. NNoottee::
ADSL is an asymmetric communication
technology designed for residential users;
it is not suitable for businesses.
TCP/IP Protocol Suite 21
35. NNoottee::
c Note that a virtual coonnnneeccttiioonn iiss ddeeffiinneedd bbyy
aa ppaaiirr ooff nnuummbbeerrss::
tthhee VVPPII aanndd tthhee VVCCII..
TCP/IP Protocol Suite 35
51. NNoottee::
A router is a three-layer
(physical, data link, and network)
device.
TCP/IP Protocol Suite 51
52. NNoottee::
A repeater or aa bbrriiddggee ccoonnnneeccttss sseeggmmeennttss ooff
aa LLAANN..
AA rroouutteerr ccoonnnneeccttss iinnddeeppeennddeenntt LLAANNss oorr
WWAANNss ttoo ccrreeaattee aann iinntteerrnneettwwoorrkk ((iinntteerrnneett))..
TCP/IP Protocol Suite 52