a$.$ Three PCs have private address and want to connect to the internet using one public IP address. What type of NAT should we use?

b$.$ Write the source and destination address for a packet sent by PC$1$ and PC$2$ to the web server.

PC$1$: Src:

PC$2$: Src:

c$.$ Write the source and destination address for a packet sent by PC$1$ to the web server translated by the router.

PC$1$: Src:

PC$2$: Src:

d$.$ Write the source and destination address for a packet sent by web server to PC$1$ and PC$2.$

Web Scr sent to PC$1$:

Web Scr sent to PC$2$:

e$.$ Write the source and destination address for a packet sent by web server to PC$1$ and PC$2$ translated by the router.

Web Scr sent to PCI translated:

Web Scr sent to PC$2$ translated:

$7.$ When Application Layer Gateway $($ALG$)$ software is used route RTP $($Real Time

Protocol$)$ packets, what are that the NAT pool overload criteria need to be met? $(3$ Marks$)$

$8.$ Does NAT provide security? Explain. $(3$ Marks$)$

$9.$ When a single BSS provides insufficient RF coverage, how can we increase the coverage?