A web server administrator has changed the domain registrar’s A record for the company’s website. External users can reach the website, but internal users are unable to do so. The web server is accessible by typing the internal IP into a web browser.
Which of the following is the reason why the web server cannot be accessed?
A . The NAT has not been configured to point to an internal resource.
B . An egress firewall rule is blocking access to the web server.
C . The IDS has determined it is a rogue web server.
D . The corporate DNS server has not been updated.
Answer: D