What are three label operations that an MPLS-enabled router performs? (Choose three.)

• A.rewrite
• B.push
• C.pop
• D.insert
• E.swap

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Which statement describes integrated routing and bridging (IRB) interfaces?

• A.An IRB interface assigns interfaces to VLANs.
• B.An IRB interface Is an IP gateway For hosts of a bridge domain.
• C.An IRB interface defines a bridge domain.
• D.An IRB interface enables Layer 2 switching on the router.

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Click the Exhibit button. From the output shown in the exhibit, what would happen to a packet destined for address 172.29.3.5?

• A.The address is not in the aggregate range; the packet will be forwarded.
• B.The address is not in the aggregate range; the packet is sent to the Routing Engine.
• C.The address is in the aggregate range; the packet will be silently dropped.
• D.The address is in the aggregate range; the packet will be dropped.

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Click the Exhibit button.

Referring to the exhibit, which two statements are true? (Choose two.)

• A.The OSPF neighbor will be declared down if three BFD hello packets are missed
• B.The OSPF neighbor will be declared down if BFD hello packets are not received for 5 seconds
• C.The OSPF neighbor will be declared down if BFD hello packets are not received for 1.5 seconds
• D.The OSPF neighbor will be declared down if 500 BFD hello packets are missed

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Which two characteristics describe IS-IS? (Choose two.)

• A.A collection of Level 1 routers serves as the IS-IS backbone
• B.Level 2 routers connect areas in an IS-IS autonomous system
• C.A collection of Level 2 routers serve as the IS-IS backbone
• D.A Level 1 IS routes between areas and toward other autonomous systems

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