The 642-887 exam tests your abilities to configure, implement, troubleshoot, and optimize service provider IP next-generation network infrastructures.
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Question No. 1
Which of the following three statements are correct regarding IPv6 QoS? (Choose three.)
Question No. 2
Within the service provider core network, which two QoS mechanisms are typically deployed on the P routers? (Choose two.)
Question No. 3
An engineer has been tasked to configure a guaranteed 10 Mbps priority queue for traffic matched by class-map VOICE_CLASS on Cisco IOS XR. Which policy must be applied for outgoing traffic on interface FastEthernet 0/0/1?
Question No. 4
How is bandwidth recalculated when utilizing the automatic bandwidth adjustment feature for MPLS TE?
Question No. 5
From the PE8 router, how many total prefixes for have an incoming local label assigned (including the imp-null)?
On PE8 issue: show mpls ip binding summary and look at “assigned in labels”. That value is the correct answer NOT “learned out label”.
Question No. 6
Cisco MPLS TE tunnels recently have been deployed to minimize the utilization of a congested link in the core network. Thetunnels are up and the administrative weight is correctly configured, but no improvement has occurred since they went into production. Which IOS command can be used to modifyCisco MPLS TE path selection on an interface?
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