200-150 · Question #237
Which two parameters are stored in an FCNS database? (Choose two) 0 FCID
The correct answer is A. sWWN D. QeQvsan. The FCNS (Fabric Name Server) on Cisco MDS fabric tracks identifiers for all devices and switches so fabric members can locate and communicate with each other. This question tests which WWN-type parameters are stored in that name server database.
Question
Which two parameters are stored in an FCNS database? (Choose two) 0 FCID
Options
- AsWWN
- BpWWN
- CnWWN
- DQeQvsan
How the community answered
(61 responses)- A93% (57)
- B5% (3)
- C2% (1)
Why each option
The FCNS (Fabric Name Server) on Cisco MDS fabric tracks identifiers for all devices and switches so fabric members can locate and communicate with each other. This question tests which WWN-type parameters are stored in that name server database.
The sWWN (Switch World Wide Name) is stored in the FCNS database to identify which Fibre Channel switch a logged-in device is attached to, enabling fabric-wide switch discovery and principal switch elections.
pWWN (Port World Wide Name) identifies individual HBA ports and is used during FLOGI, but it is not one of the two FCNS parameters the question is targeting in this pairing.
nWWN (Node World Wide Name) identifies a Fibre Channel node above the port level, but it is not the parameter pair being tested in this FCNS database context.
Based on the stated correct answer, choice D (which appears garbled due to OCR or formatting issues) likely represents another valid FCNS-registered identifier such as an FC4-type descriptor or VSAN-scoped attribute stored alongside the FCID in the name server database.
Concept tested: Fibre Channel Name Server (FCNS) database stored identifiers
Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/7_3/configuration/guides/fcns/b_fcns_7_3_mds.html
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