642-887 exam

Which three network services can be implemented using MPLS within the service provider IP NGN core? (Choose three.)A . Layer 2 VPNsB . Layer 3 VPNsC . traffic engineeringD . IntServ traffic engineering tunnelsE . encrypted LSPsView AnswerAnswer: A,B,C

Scenario: On CE 7 router, which statement is correct regarding the "QOS-POLICY policy map configurations?A . Traffic matched bythe"QOS-HTTP-1" class-map is shaped to an average is rate of 2560000 128000bpsB . Traffic matched bythe"QOS1-HTTP-2" class-map will be queued in the low-latency-queue which has a maximum bandwidth guarantee of 64000C ....

Cisco MPLS TE path setup can be affected by which three tunnel attributes? (Choose three.)A . bandwidthB . delayC . MTUD . priorityE . affinityView AnswerAnswer: A,D,E

Which are typical class-based marking policies that are implemented on service provider IP NGN PE routers?A . On the PE ingress, classify the customer traffic and then mark with qos-group. On the PE egress, classify based on the qos-group and then mark with mpls exp.B . On the PE ingress,...

Refer to the Cisco IOS XR configuration exhibit. Which statement is correct?A . The backup tunnel-te 10 tunnel is using the highest setup and hold priority settings of 7.B . The backup tunnel path is learned dynamically.C . The fast-reroute command is missing under the (config-mpls-te-if)# configuration mode.D . Interface...

Which item is not available to be used for QoS classification in Cisco IOS XR?A . MAC SAB . protocolC . inner EXPD . discard-classE . QoS-groupF . VLANView AnswerAnswer: C

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...

On Cisco routers, which three methods can be used to map traffic into the MPLS traffic engineering tunnel? (Choose three.)A . on-demand routingB . static routingC . optimized edge routingD . policy-based routingE . autorouteView AnswerAnswer: B,D,E

Which Cisco IOS XR command should be used in order to enable LDP on all interfaces for which the IGP protocol is enabled?A . RP/0/0/CPU0:R1(config-ospf)#mpls ldp auto-configB . RP/0/0/CPU0:R1(config-ospf)#mpls ldp interface all enableC . RP/0/0/CPU0:R1(config-ospf)#enable allD . RP/0/0/CPU0:R1(config-ldp)#enable allView AnswerAnswer: A

Which three statements are correct regarding a Cisco MPLS TE? (Choose three.)A . A Cisco MPLS TE tunnel maps onto an LSP path.B . Tunnels are bidrectional by default.C . Packets that are mapped into a Cisco MPLS TE tunnel will have two labels, with the top label indicating what...