You receive multiple tickets at once before lunch. $2$ from standard employees, one from a program manager, and one from the front desk$/$hr$.$ How do you prioritize the issue?

A$)$

$1.$ Check the DNS server configuration on the user$$s PC$.$

$2.$ Ping a public IP address $($e$.$g$.,8\mathrm{.}8\mathrm{.}8\mathrm{.}8)$ to verify internet connectivity.

$3.$ Flush the DNS cache on the user$$s PC$.$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

B$)$

$1.$ Flush the DNS cache on the user$$s PC$.$

$2.$ Check the DNS server configuration on the user$$s PC$.$

$3.$ Ping a public IP address $($e$.$g$.,8\mathrm{.}8\mathrm{.}8\mathrm{.}8)$ to verify internet connectivity.

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

C$)$

$1.$ Ping a public IP address $($e$.$g$.,8\mathrm{.}8\mathrm{.}8\mathrm{.}8)$ to verify internet connectivity.

$2.$ Check the DNS server configuration on the user$$s PC$.$

$3.$ Flush the DNS cache on the user$$s PC$.$

$\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

D$)$

$1.$ Check the DNS server configuration on the user$$s PC$.$

$2.$ Flush the DNS cache on the user$$s PC$.$

$3.$ Ping a public IP address $($e$.$g$.,8\mathrm{.}8\mathrm{.}8\mathrm{.}8)$ to verify internet connectivity.$*$