Free Huawei H12-261-ENU Exam Dumps Questions & Answers

Use the ip as-path-filter as-path-filter-number {deny | permit} regular-expression command to configure the as-path filter.
In this command, multiple clauses can form an as-path-filter statement.
So what is the relationship between multiple statements?

• A.  Relationship with
• B.  Relationship or
• C.  The routes are matched in order. When a route matches a clause, it no longer matches downwards.
• D.  The routes are matched in order and the route needs to match all the clauses.

Router-LSA of OSPFv3 is generated by each router. It describes the interface address and cost of each link of the router, and also contains the router ID of the neighboring router.

• A.  True
• B.  False

In a multicast network, which of the following situations will cause forwarding failure of multicast traffic? (Multiple Choice)

• A.  On a network with multiple egress routers, the router is not selected as the DR.
• B.  PIM is not enabled on an RPF interface.
• C.  The upstream router discards the received PIM Join messages.
• D.  Router does not have RPF routing.

Which of the following description is true about the ISIS LSP fragmentation extension?

• A.  ISIS's fragmentation extension is achieved by adding virtual systems that can scale up to 1000 virtual systems.
• B.  Enable the ISIS router to generate more LSP fragments to carry more ISIS information.
• C.  ISIS routers can generate up to 1024 shards.
• D.  ISIS's fragmentation extension is equally valid for Hello packets.

Regarding the BGP alliance, which of the following description is wrong?

• A.  The alliance divides an AS into several sub-ASs, and the external AS still considers the alliance to be an AS.
• B.  The sub-AS number of the alliance is advertised to BGP peers outside the alliance by default.
• C.  The alliance can easily detect the routing loop in the AS because EBGP is running between sub-ASs.
• D.  The sub-AS number in the alliance can use a private AS number. A Huawei NE/AR router can be configured with up to 32 sub-AS numbers.