Describe$/$Draw$/$Derive each question $1$ Describe Function of each one of the OSI layers.

$2$ Draw and Compare TCP$/$IP and $7$ Layers.

$3$ Asynchronous$/$synchronous transmission

$4$ Causes of transmission imparement

$5$ Describe Bandwidth, Carrier signal

$6$ Coax cable bit rates,distance,impairment,application.

$7$ Derive DS$0$ and T$1$ bit rates

$8$ Category $1,2,3,4,5,5$e$,6$ cable Speeds

$9$ Derive OC$3$ bit rate

$10$ Describe $1$G$,2$G$,3$G$,4$G$,5$G Frequencies,features and their application.

$11$ Construct a $128$X$1$ multiplexer given $8$X$1$ and $2$X$1$ Multiplexers

$12$ Number of simultaneous voice circuits on each thread of OC$1,$OC$3$ and OC$768$

$13$ briefly describe Wi$-$Fi$,$ Bluetooth, Zigbee, Lora

$14$ Function of Modem, Bridge, Router, Gateway$$

$15$ Draw Circuit switching and packet switch.

$16$ Analog to digital PCM diagram and description.

$17$ Describe Leo,Meo,Geo and GPS satellites.

$18$ Encoder$/$Decoder and their application

$19$ Draw cell to$-$cell communication path & Describe MSC$,$BS$,$Cell.

$20$ Describe ISDN and PBX

$21$ RJ$11,$ RJ$12,$RJ$45$ connectors

$22$ How$$ fiber thread is constructed

$23$ Frequencies Robots use to communicate with each other:

$24$ Parity odd, even,CRC give example of each $($CRC text page $78)$

$25$ Find character per second bit rate to transmit $2000$ characters$$ given $(1$ start bits, $2$ stop bit, $3$ parity bit for each character$)$