Which of the following is the MOST likely cause of this issue?

A network engineer created a guest wireless network named "Visitor" for clients to use when they are on site. After a couple of months, visiting clients state they cannot access the Internet after connecting to the "Visitor" wireless network, even though configuration changes have not been made .

Which of the following is the MOST likely cause of this issue?
A . The access point’s antenna is not powerful enough to allow all the visitors to establish a connection.
B . The SSID suggests there is a rogue access point masquerading as the guest network.
C . The visiting clients are trying to connect to the corporate network without the proper credentials.
D . The network Is overlapping with the internal corporate wireless network and causing signal loss.

Answer: D