A. WINS is abbreviation for Windows Internet Naming Service, WINS protocol operates at port 43.
The WINS server is basically involved in name querying ie the NetBIOS name is resolved to equivalent IP address.
Q. What are the different NetBIOS node type and what is its importance.
A. A NetBIOS node type is technique of resolving the NetBIOS name to ip address.
There are basically four types of nodes, viz,
1. B-Node (Broadcast) – Client broadcast to whole network for NetBIOS name resolution , creates unnecessary traffic in the network.typically all these broadcast are blocked at router interface.
2. P-Node (WINS server) –Client contacts the Wins server for name resolution and if the wins server has failed or if it is not available ,the process fails to resolve the NetBIOS name
3. M-Node (Mixed node -combination of B and P Nodes) Broadcast first and later contact the wins server.(not recommended)
4. H-Node (Hybrid node- combination of P and B Nodes) Contact the wins server first ,and if the query fails then broadcast –Default if the wins server is configured in the network
Read more about wins in my next posting
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