IGMP snooping is not active for VLAN 120 because the IGMP feature has not been enabled on the switch with the feature igmp command.
The IGMP snooping querier for VLAN 120 is not in a running state because the Loopback interface configured with 1.1.1.1/32 is currently in a down state.
IGMP snooping has been disabled on the VLAN 120 SVI.
IGMP snooping has been disabled for VLAN 120 in VLAN configuration mode.
IGMP snooping is not active for VLAN 120 because VLAN 120 does not exist in the VLAN database.
第1题：
A.It monitors traffic flow and link utilization.
B.It ensures the best VRRP router is the virtual router master for the group.
C.It causes traffic to dynamically move to higher bandwidth links
D.It thwarts man-in-the-middle attacks.
第2题：
Which statement best describes what Cisco Smart Care Service provides?（）
第3题：
A.It shows the total size of the index row
B.It shows how many columns in the index are examined
C.It shows the number of characters indexed in the key
D.It shows how many bytes will be used from each index row
第4题：
Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）
第5题：
Which of the following BEST describes a hub?（）
第6题：
Which statement describes VRRP object tracking?（）
第7题：
Which statement best describes the application of link fragmentation and interleaving （LFI）？（）
第8题：
A. show route
B. show route active-path
C. show route private
D. show route forwarding-table
第9题：
Which command will show the best paths that are installed in the PFE?（）
第10题：
Which statement best describes what is depicted in the show command output？（）