Free Cisco 642-887 Exam Dumps Questions & Answers

A network engineer must make a reservable maximum bandwidth of 75 Mbps on a Cisco ASR 9000 series router. Which configuration satisfies this requirement in Cisco IOS XR?

• A.  mpls traffic-eng
  interface GigabitEthernet 0/1/0/1
  bandwidth 75 Mbps
• B.  mpls traffic-eng
  interface GigabitEthernet 0/1/0/1
  bandwidth 75000
• C.  rsvp
  interface GigabitEthernet 0/1/0/1
  bandwidth 75 Mbps
• D.  rsvp
  interface GigabitEthernet 0/1/0/1
  bandwidth 75000000 bps

Scenario:




After reviewing present router configuration CE7 .which two statements are correct regarding behavior of the
"IIq" policy-map? (Choose 2)

• A.  The "IIq" QoS policy is applied to the gi0/0 interface in the output direction
• B.  Traffic matched bythe"cisco3" class-map has no priority and has a minimum bandwidth guarantee of
  20%
• C.  Traffic matched by the "cisco1" class-map will be assigned to the priority queue.
• D.  Traffic matched bythe"cisco2" class-map has a maximum bandwidth of 30%
• E.  There are no packets being matched by the "class-default" traffic class in the "IIq" policy

Cisco MPLS TE path setup can be affected by which three tunnel attributes? (Choose three.)

• A.  bandwidth
• B.  affinity
• C.  priority
• D.  delay
• E.  MTU

Which component is responsible for initiating the constrained shortest path for an RSVP path message during the establishment of an MPLS TE tunnel?

• A.  CSFP
• B.  tail-end router
• C.  RSVP-TE rnessages
• D.  headend router

Which configuration can a network engineer use to establish high availability for LDP in an MPLS setup?

• A.  mpls ldp
  graceful-restart
  graceful-restart forwarding state-holdtime 180
  graceful-restart reconnect-timeout 15
• B.  router ospf 1
  mpls ldp sync
  mpls ldp
  igp sync delay 30
• C.  mpls ldp
  graceful-restart
  graceful-restart
  graceful-restart forwarding state-holdtime 180
  graceful-restart reconnect-timeout 15
  interface HundredGigE0/4/0/0
• D.  mpls ldp
  router-id loopback0
  discovery hello holdtime 15
  discovery hello interval 5
• E.  mpls ldp
  session protection for peer_acl duration 60
  ipv4 access-list peer_acl
  10 permit ip host 192.168.10.1 any