Home » Cisco » 300-075 » Which situation requires TCP port 443 to be open for packets that are sourced from the Internet with a destination in the corporate DMZ?
Which situation requires TCP port 443 to be open for packets that are sourced from the Internet with a destination in the corporate DMZ?
A. when video endpoints that reside on the Internet require administrative access to the Cisco Expressway Edge
B. when you require encrypted calls to endpoints on your corporate LAN
C. when you want to enable calls to web applications by using HTTP
D. when you require administrative access to the Cisco Expressway Edge from the Internet
Correct Answer: D
Explanation/Reference:
Explanation:
VCS/Expressway servers only use port 443 for administrative access. No call session of any sort on a VCS or Expressway use port 443. Also, the “Unified Communications Mobile and Remote Access via Cisco VCS Deployment Guide” identified port 443 as the administrative access port from pubic internet to VCS Expressway. http://www.cisco.com/c/dam/en/us/td/docs/telepresence/infrastructure/vcs/config_guide/X81/Mobile-Remote-Access-via-VCS-Deployment-Guide-X8-1-1.pdf
