A user requests one primary VLAN ,two community VLANs and two isolated VLANs for multicatas capable servers that must transmit multicast traffic and receive multicast traffic through the use of IGMPv2 on which VLAN must the IGMP querier be configured?
A. isolated VLAN and both community VLANs
B. only the primary VLAN
C. primary and secondary VLANs
D. Layer 2 multicast is not supported when using private VLANs
B is correct according to the link:
– IGMP runs only on the primary VLAN and uses the configuration of the primary VLAN for all secondary VLANs.
– Any IGMP join request in the secondary VLAN is treated as if it is received in the primary VLAN.
A is correct
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/layer2/configuration/guide/Cisco_Nexus_7000_Series_NX-OS_Layer_2_Switching_Configuration_Guide_Release_5-x_chapter6.html