Graded Assignment $1$

Company X has established in Riyadh. The company has two departments, Development and Administration.

Development department office

$2$ computers $($PC$0$ and PC$1).$

Wired Lan

Hub

Administration department office

$2$ computers $($PC$2$ and PC$3)$

Wired LAN

Switch

The three LANs are connected via switch.

Draw the company network. $(0\mathrm{.}25$pt$)$

Find the number of collision domains and broadcast domains and show them on the figure. $(1$pt$)$

Assume the switch table is initially empty. Then, PC$2$ sends a frame to PC$0.$

a$)PC1$ and $PC3$ receive the frame. Why? $(0\mathrm{.}5$pt$)$

b$)$ The frame sent by PC$2$ is shown below

$82$ A$4$ C$66677$ A$2684578$ AC E$1$ F$0001$E Data $($maybe with padding$)76905126$

As a network administrator, you suggested using VLAN technology to connect the two VLANs, Development department $($VLAN$1)$ and the Administration department$($VLAN$2).$ PC$1$ sends a broadcast message, how the switch will forward it$?(0\mathrm{.}25$pt$)$