NetBIOS snooping information is stored in which database on EX Series switches?
A.
RADIUS database
B.
LLDP neighbor database
C.
MAC table database
D.
routing table database
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http://www.juniper.net/techpubs/en_US/junos13.2/topics/concept/netbios-snooping.html
How NetBIOS Snooping Works
You can enable NetBIOS snooping on the switch so that the switch can identify NetBIOS resources that are connected to it.
When a host connected to the switch initializes itself, it attempts to register its NetBIOS name by sending a NetBIOS name registration request message. The host can opt for either a unique or a group NetBIOS name. For a unique NetBIOS name, the host either broadcasts a NetBIOS name query message on the local network or unicasts it to the NBNS to check whether the requested name is already being used by another host. If so, the host that previously registered the name or the NBNS responds with a negative name registration response. If the host receives no negative response, it broadcasts the NetBIOS name registration packet to confirm the name. For a NetBIOS group name, the host sends a NetBIOS name registration packet, which generates no responses from other hosts because multiple hosts can use the same group name at the same time.
The NetBIOS snooping-enabled switch extracts the host details from the NetBIOS name registration packet and stores the details in the LLDP neighbor database.
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