question: What information is included in the Multicast Received MSDU Count field of a Multicast Diagnostics report? [IEEE 802.11] option 1: The total number of multicast MAC addresses used during the measurement period. option 2: The number of group addressed MSDUs received during the measurement duration. option 3: The number of triggered Multicast Diagnostic requests sent by the reporter. option 4: The multicast diagnostic timer value at the time of measurement. 