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Lead2pass 642-887 Exam Questions Free Download.v.2018-3-30.190q: https://www.lead2pass.com/642-887.html QUESTION 151 A. In Short Pipe mode QoS is done on the PE-to-CE link based on the customer's PHB markings Answer: AB QUESTION 152 A. 490 Kbps Answer: D QUESTION 153 A. The tunnel's output average is periodically sampled and then the bandwidth is adjusted to the largest sample obtained during the period, or to the configured maximum Answer: A QUESTION 154 A. to avoid using IGP in the core Answer: CD QUESTION 155 A. layer 3 addressing on the tunnel, to establish bidirectional communication over the tunnel Answer: A QUESTION 156 Answer: B QUESTION 157 A. show controllers Answer: A QUESTION 158 A. PATH Answer: A QUESTION 159 A. as many as 8, because the EXP field is 3 bits Answer: A QUESTION 160 A. Replace the existing link with a routed back-to back link Answer: B 642-887 dumps full version (PDF&VCE): https://www.lead2pass.com/642-887.html Large amount of free 642-887 exam questions on Google Drive: https://drive.google.com/open?id=0B3Syig5i8gpDbDZBdmJlTVVwMWc You may also need: 642-883 exam dumps: https://drive.google.com/open?id=0B3Syig5i8gpDVURjdjBlUFh1TG8 642-885 exam dumps: https://drive.google.com/open?id=0B3Syig5i8gpDYThUdmRiZl9vWWM 642-889 exam dumps: https://drive.google.com/open?id=0B3Syig5i8gpDV2E5dFE0emtPekE
Which two options are true regarding the Pipe and Short Pipe MPLS tunneling models? (Choose two.)
B. In Pipe mode QoS is done on the PE-to-CE link based on the service provider's PHB markings
C. In Pipe mode QoS is done on the PE-to-CE link based on the customer's PHB markings
D. In Short Pipe mode QoS is done on the PE-to-CE link based on the service provider's PHB markings
E. Short Pipe mode does not need MPLS usage, but Pipe mode does
Refer to the exhibit. What is the available reservable bandwidth for P6 after successful establishment of Tunnel 1?
B. 500 Kbps
C. 490 Mbps
D. 500 Mbps
How is bandwidth recalculated when utilizing the automatic bandwidth adjustment feature for MPLS TE?
B. The tunnel's output is sampled and then the bandwidth is adjusted by a configured percentage until the configured maximum value is reached
C. Ping is used to measure congestion and the bandwidth is adjusted by a configured percentage until the maximum value is reached
D. Ping is used to measure congestion and the bandwidth is adjusted to either the minimum, average, or maximum configured bandwidth value
Which two advantages are reasons that service providers might deploy MPLS? (Choose two.)
B. to facilitate smooth migrations between legacy WAN technologies
C. to reduce the throughput overhead of full IPv4/IPv6 headers when traversing the core
D. to reduce the computational requirements that are placed on router CPUs
E. to reduce configuration and feature requirements in the core
In Cisco IOS, what must be configured to ensure that an MPLS TE tunnel becomes active?
B. the tunnel for autoroute, to ensure proper installation into the forwarding plane
C. a path-option configuration, for either dynamic or explicit paths
D. the tunnel with a minimum bandwidth value, to properly calculate CSPF
Which option shows how a class map is implemented that matches only packets originating from the network 10.0.0.0/8, which are not marked as VoIP on Cisco IOS XE?
An engineer is having a problem getting an operational 10 Gigabit link on a Cisco ASR 9000 series router. The service provider instructs the engineer to use an LR optic. The engineer must access the router remotely.
Which command should the engineer issue to determine that the correct optic has been installed?
B. show module optics
C. show ip interface
D. show optics
Which message is sent through the desired LSP path by the headend router and is used to determine available resources?
B. TENT
C. RSVP
D. RESV
An engineer sets up QoS over MPLS networks. How many classes of traffic can one LSP support?
B. as many as 3, because the EXP field is 3 bits
C. as many as 64, because the DSCP field is 6 bits
D. as many as 6, because the DSCP field is 6 bits
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?
B. Configure object tracking
C. Set up more aggressive IGP timers
D. Implements BFD on the link
Post date: 2018-03-31 03:49:54
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