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Questions and Answers : 240 Q&As
Updated: November 13th , 2008
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Which two items are true about QoS in MPLS VPN (RFC 2547bis) networks? (Choose two.)
A. On egress from the Edge-LSR, the EXP field is used for PHB QoS towards the CE.
B. MPLS can force packets into specific paths and bandwidths based on Edge-LSR mapping of DSCP to EXP.
C. DiffServ information must be made known to the LSR in the MPLS header using the EXP field. D. MPLS QoS is a scalable and simple solution because it only requires application at the Edge-LSR.

EIGRP performs route summarization at the interface level with the ip summary-address command. Which three statements correctly describe EIGRP route summarization? (Choose three.)
A. Summary routes are inserted in the routing table with a next hop of null 0 and a high administrative distance, to prevent black holing of traffic.
B. By default, EIGRP automatically summarizes internal routes, but only each time a major network boundary is crossed.
C. EIGRP route summarization can reduce the query diameter to help prevent SIA problems.
D. The metric for each summarized route is inherited from the lowest metric of the component routes.