CompTIA Network+ Question C-10

A network administrator received the following email from a user:
From: user@company.com
To: abuse@company.com
Subject: Free smart phone
Dear user,
please click the following link to get your free smart phone http://www.freesmartphone.it:8080/survey.php

Which of of the following should the administrator do to prevent all employees from accessing the link in the above email, while still allowing Internet access to the freesmartphone.it domain?

A. Add http://www.freesmartphone.it:8080/survey.php to the browser group policy block list.
B. Add DENY TCP http://www.freesmartphone.it ANY EQ 8080 to the firewall ACL
C. Add DENY IP ANY ANY EQ 8080 to the intrusion detection system filter
D. Add http://www.freesmartphone.it:8080/survey.php to the load balancer

Correct Answer: A