A network engineer needs to build a solution that will allow guests at the company’s headquarters to access the Internet via WiFi. This solution should not allow access to the internal corporate network, but it should require guests to sign off on the acceptable use policy before accessing the Internet.
Which of the following should the engineer employ to meet these requirements?
A . Implement open PSK on the APs
B . Deploy a WAF
C . Configure WIPS on the APs
D . Install a captive portal
Answer: D