Which two statements about the requirements for a Cisco Hyperlocation deployment are true? (Choose two.)

CMX Facebook Wi-Fi allows access to the network before authentication. Which two elements are available?
(Choose two.)

What is the default NMSP echo interval between Cisco MSE and a Wireless LAN Controller?
What is an important consideration when implementing a dual SSID design for BYOD?

All APs are receiving multicast traffic, instead of only the APs that need it. What is the cause of this problem?