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Week 5 Discussion 2 CIS 505
Week 5 Discussion 2
Transmission Medium. Please respond to the following:
Suggest a way to improve the way LLC and MAC are used for LAN operation.
Evaluate guided and unguided transmission medium to determine which you would use to design a new facility.
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**** 5 ********** **
Transmission
Medium ****** respond to *** following: *******
a
*** ** ******* *** *** *** and MAC *** **** *** *** operation ******** ******
***
unguided ************ ****** ** ********* ***** you ***** *** to ****** * new ********* The **** *****
is
******* into two ********** ******* **** ******* ** LLC ******** *** *** ******* data transmission Media ****** ******* ** *** ******** ** * ****** ****** control ***** ***** sublayers ******* *********** ** ************* between different ********* *** ****** ******* use * ******* layer ********* logical link *** described ** ******** **** ********* ** *** ******** ***** ** **** ******* **** Control *** provides *** ****** of ***** types ** ************ • **** * provides
**************
*** **************** ****** LLC2 * ******** *
******************* *** ************** ****** **** - ******** **************
*** ************* **** ************** and unacknowledged LLC1
*****
*** **** *** ***** ** transmit data **** a ******* of **** ** **** ********* mode ** ******** IP ******** ****** ** transport ***** ********* ** identify ******* and organize retransmission ** ********* whether delivered *** ********* layer ** **** *********** for assembling *** packets into a ******* ** *** proper sequence **** often LLC1 protocols **** in
****
**** ** ******* the ***** ******** ***** networks ******* * *** *********** ** * *** of distortion *** ***** **** Therefore *** *** ** reliable up-LLC2 ******** exchange often leads ** undue ********** only ******* down *** ******* ********** ** the ************* protocol ****** ************ media *** ** ******* **** two
***********
****** *** ******** Guided ***** ***** are those that provide * conduit **** *** ****** ** ******* ******* twisted -pair ***** ******* ***** and *********** ***** **** in **** distance communication ** ********* ****** ***** ****** space and **** ********* ** ***** ** ******** to *** also ** LANs *** **** **** ** *** near ****** *** Twisted **** ***** **** ** **** ** reach ** to ** **** Unguided ***** transport *************** ***** ******* using * physical ********* **** type ** communication ** ***** ******** ** ** a ******** ************* ******** ******* *** ****** from ****** ** destination ** several ways All unguided ***** ************ ** ********** ** ******** ************ ******** ************ *** ** **** ** *** ****** ** **** LAN *** *** ************ *** data ******** ***** *** *** Wireless ************ ******** IEEE ******* *** ***** ** ** * ***** *********** ********************* ******** ** *** *** ******** by
******
*
Clark
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