Which URL would connect you to the Cockpit for a Cisco Modeling Labs server that has an administrative IP of $10\mathrm{.}1\mathrm{.}1\mathrm{.}20?$

https:$//10\mathrm{.}1\mathrm{.}1\mathrm{.}20$

https:$//10\mathrm{.}1\mathrm{.}1\mathrm{.}20/$cockpit

https:$//10\mathrm{.}1\mathrm{.}1\mathrm{.}20$:$8443$

https:$//10\mathrm{.}1\mathrm{.}1\mathrm{.}20$:$9090$