$.$ The source mac address at point $1$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$2.$ The destination mac address at point $1$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$3.$ The source IP address at point $1$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$4.$ The destination IP address at point $1$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$5.$ Do the source and destination mac addresses change at point $2?$

$$

$6.$ The source mac address at point $2$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$7.$ The destination mac address at point $2$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$8.$ Do the source and destination mac addresses change at point $4?$

$9.$ The source mac address at point $4$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$

$10.$ The destination mac address at point $4$ is $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.$

$$