$2\mathrm{.}11000$Base TX is abbreviated in a logical topology to preserve space kindly advise what it says about a

network

$(5)$

$2\mathrm{.}2$ Using an example, describe how an intranet network is differentiated from an extranet network.

$(10)$

$2\mathrm{.}3$ How does the relationship between throughput and bandwidth impact the performance of a network

communication system?

$(5)$

$2\mathrm{.}4$ How does the CSMA$/$CD $($Carrier Sense Multiple Access with Collision Detection$)$ protocol contribute to

efficient data transmission in Ethernet networks?

$(5)$

$2\mathrm{.}5$ When do Ethernet networks become insufficient in terms of speed and efficiency for data transmission

needs?