What is periodically multicasted （every 10 seconds） by the DIS on a LAN to ensure IS-IS Link StateDatabase accuracy？（）A、PSNPB、CSNPC、LSPD、IIHE、ISH
What is periodically multicasted （every 10 seconds） by the DIS on a LAN to ensure IS-IS Link StateDatabase accuracy？（）
- A、PSNP
- B、CSNP
- C、LSP
- D、IIH
- E、ISH
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