Tag - 642-887 exam

What is the correct formula for determining the CIR.?A . CIR = Bc/TcB . CIR = Bc x TcC . CIR = Tc/BcD . CIR = Bc + BeE . CIR = Tc/(Bc+Be)F . CIR = (Bc+Be)/TcView AnswerAnswer: A

A DSCP value of 41 in decimal corresponds to which IP precedence value?A . 3 C FlashB . 4 C Flash OverrideC . 5 C CriticalD . 6 C Internet ControlE . 7 C Network ControlView AnswerAnswer: C

Which statement is correct regarding the default MPLS TTL behavior?A . When an ingress edge LSR receives an IP packet, it will decrement the IP TTL field by 1; then it will set the MPLS Label TTL field to 255.B . When an ingress edge LSR receives an IP packet,...

Which Cisco IOS XR command should be used to identify if MPLS TE FRR is enabled?A . show mpls traffic-eng tunnel <tunnel#>B . show mpls frrC . show mpls traffic-eng protectionD . show mpls protectionE . show mpls fast-rerouteView AnswerAnswer: A

What is an important requirement with MPLS applications like Layer 3 MPLS VPNs?A . All the PE routers loopback addresses should be summarized to reduce the number of routing table entries in the core routers.B . Targeted hellos are required between all the PE routers.C . An end-to-end LSP is...

Referring to the show output exhibit, which statement is correct? A . The P1 router is receiving label information for the 10.0.2.1/32 prefix from two LDP peers.B . The P1 router is receiving label information for the 10.7.1.1/32 prefix from two LDP peers.C . The P1 router is using the...

Only based on the Cisco IOS XR policy-map configuration exhibit, which statement is correct?A . All DSCP AF41 marked packets will be dropped when the average queue length reaches 12,000 packets.B . DSCP AF11 marked packets will be randomly dropped when the average queue length reaches 10,000 packets.C . DSCP...

Which four pieces of information are stored for each prefix in the LFIB? (Choose four.)A . local labelB . outgoing labelC . next-hop IP addressD . outgoing interfaceE . incoming interfaceF . Layer 2 header rewrite informationView AnswerAnswer: A,B,C,D

Scenario: From PE8 router, what is the label action used to reach the P2 loopback 0 interface 10.0.2.1/32?A . Swap label 35 with label 16004B . Push label 16004C . Pop label 35D . Pop label 16009E . Push Label 16009F . Swap label 35 with label 16009View AnswerAnswer: D

Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers? (Choose three.)A . conformB . passC . violateD . exceedE . burstF . matchedView AnswerAnswer: A,C,D