Online Access Free 642-887 Exam Questions

Given this configuration of an interface for MPLS traffic engineering on a Cisco IOS XE router:
interface POS1/1/0
mpls traffic-eng tunnels
ip rsvp bandwidth 5000
Which option lists the equivalent configurations required on a Cisco IOS XR router?

• A.mpls traffic-eng
  interface POS1/1/0
• B.interface POS1/1/0
  mpls traffic-eng tunnels
  ip rsvp bandwidth 5000
• C.mpls traffic-eng
  interface POS1/1/1
  bandwidth 5mb
• D.mpls traffic-eng
  interface POS1/1/0
  rsvp
  interface POS1/1/0
  bandwidth 5000
• E.mpls traffic-eng
  interface POS1/1/0
  rsvp
  interface POS1/1/0

Which component of an MQC configuration identifies the QoS function it programs?

• A.access list
• B.service policy
• C.policy map
• D.class map

Which are typical class-based marking policies that are implemented on service provider IP NGN PE routers?

• A.On the PE ingress, trust the customer QoS markings. On the PE egress, classify based on the customer QoS markings and then mark with mpls exp.
• B.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.
• C.On the PE ingress, trust the customer QoS markings. On the PE egress, classify based on the customer QoS markings and then mark with qos-group.
• D.On the PE ingress, classify the customer traffic and then mark with mpls exp. On the PE egress, classify based on the mpls exp and then mark with qos-group.

An engineer deployed a Cisco MPLS TE next-hop protection over a switched environment. While testing the link protection, an excessive IGP delay in the reconvergence time is seen. Which action fixes this issue?

• A.Configure object tracking
• B.Set up more aggressive IGP timers
• C.Implements BFD on the link
• D.Replace the existing link with a routed back-to back link

Which field in the IPv6 header prevents transit routers from examining the inner packet?

• A.hop limit
• B.traffic class
• C.flow label
• D.next header