WhenIS-ISis used as theIGP (Interior Gateway Protocol)to advertiseSegment Routing (SR) SIDs, theLevel-2 (L2) routeradvertisesnode SIDs globally across the entire IS-IS domain, not just within a single area.
Level-1 (L1) routersonly advertise within the local area, butL2 routersdistribute information across multiple areas, enabling inter-area reachability.
Therefore, the statement isFALSE.
[Reference:, Huawei HCIE Datacom Official Certification Guide, Huawei IS-IS Configuration Guide, RFC 8667: Segment Routing with IS-IS, ===========, ]
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