H12-891_V1.0 HCIE-Datacom V1.0

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Showing 1–3 of 20 questions

Question 1

In an MPLSVPN network, when a packet enters the Internet and is forwarded, it is encapsulated with two layers of MPLS tags, and the processing of the packet in the following options is described correctly?

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  • The penultimate hop device receives packets with an outer label of 3

  • The Egress PE appliance receives an UNlabeled IP packet

  • The Egress PE device correctly sends packets to the appropriate VPN

  • based on the inner tag The packet pops up the outer label on the penultimate hop device and forwards it to the Egress PE device

Question 2

What descriptions of the OSPF protocol are correct?

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  • AS-External-LSA describes the router's path to ASBR

  • The cost value of the second type of external route is only the AS external cost value, ignoring the AS internal cost value

  • AS-External-LSA does not belong in any region

  • AS-External-LSA describes the path to the as outside of the route, and the scope of the flood is the AS outside

Question 3

??? aggregate ipv4-address { mask/masklength }[as-set lattribute-policy route-policy-namel ldetail-suppressedlorigin-policy route-

in policy-name2[suppress3policy route-policy-name3], multiple parameters can be used to influence summary routes and their results. The correct description about the command is ?( Multiple choice questions).

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  • If As-set is configured, the A S_PATH of the aggregate route contains ass path information for all specific routes in case the route loop is blocked

  • If Suppress-policy is configured, aggregate routes are also generated, and the if-match clause in Route-policy is used to pick suppressed detail routes. Detail routes that match Route-policy are still advertised to other BGP neighbors

  • If Origin-policy is configured, only detail routes that match Route-policy can participate in aggregation

  • If You configure The Interface-policy, you can change the properties of the aggregate route