What is the most effective way to view device alarms through CLI?

• A.display current-configuration
• B.display alarm
• C.display clock
• D.display interface brief

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In the scenario of multi-level RR, a large number of secondary RRs will be connected to the primary RR, which may cause the BGP routing table of the primary RR to overflow. What method can be used to reduce the risk of overflow of the BGP routing table of the level RR?

• A.Set the same Cluster-lD
• B.Routing Control
• C.ORF
• D.Route Aggregation

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There is a concept of forwarding equivalence class (FEC-Fowarding Equivalence Class) in MPLS, so FEC cannot be allocated based on which of the following criteria?

• A.Class of Service
• B.Application Protocol
• C.Destination Addess
• D.Fragment offset

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What can we infer from this graph? (Multiple choice)

• A.R1 has no route entry to 172.16.1.4\/32
• B.There is no IS-IS routing entry in R1's IP routing table
• C.There are 6 routing entries generated by IS-IS in the IP routing table of R1
• D.There is a route entry on R1 to 172.16.1.4/32

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According to this figure, what can we judge? (Multiple choice)

• A.The IS-IS interface type of the GE0/0/0 interface of R1 is Leve-1-2
• B.IS-IS IPv6 is enabled on the GE0/0/0 interface of R1
• C.IS-IS IPv6 is not enabled on the GE0/0/1 interface of R1
• D.The IS-IS interface type of the GE0/0/1 interface of R1 is Leve-1

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