QUESTION: 5

RTA is a provider edge (PE) router. OSPF is deployed between RTA and a customer edge (CE).
Which of the following can be used to avoid routing loops when RTA generate an autonomy system-external (ASE) link-state advertisement (LSA) and sends it to the CE?

Configuring the same VPN route tag on the PE
Configuring Shame Link among PEs
Setting DN-bit in the ASE LSA
Configuring the same domain ID on the PE

Answer(s): C,D

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QUESTION: 6

Exhibit:

As shown in the figure, external route 1.1.1.0/24 is imported to RTA that is located in the NSSA area RTD is a backbone area router. RTB and RTC are both area border router (ABRs). OSPF configuration are as follows.

Which statement is true?

RTD receive two external LSAs whose LS_ID is 1.1.1.0
RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 2.2.2.2.
RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 3.3.3.3.
RTD receive an external LSAs whose LS_ID is 1.1.10/24 based on category 7 LSAs sent by RTA

Answer(s): C

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QUESTION: 7

1. On the backbone network , if a PE is connect to a CE, VPN instances need to b reconfigured on the PE, and interface on the PE for connecting to the CE must be bound to a VPN instance. After binding an interface to a VPN instance, you must configure the IP address of the interface between PEs, IS-IS configured for PE interworking. PLSA basic capabilities and MPLS LSP are configured for LSP establishment, and MP _IBGP is configured for VPN route exchange VPN routes exchange , LDAP is short for Label Distribution Protocol, and IBGP is short for interior Border gateway protocol.
2. A CE exchange route exchange routers with a PE over External Border gateway Protocol (EBGP. Configure interior gateway protocol (IGP) on the IS-IS+MPLS backbone networking to achieve the interworking between PEs and IP routers.

-4
-3
-2
-5
-1

Answer(s): D

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QUESTION: 8

As shown in the figure. CE 1 and CE 3 belong to VPN-A, and CE 2 CE 2 4 belong to VPN-B VPN-target VPN-A is 111:1 and that of VPN-B is 222:2 users on different VPNs are not allowed to access each other. Configuration principles are as follows:
On the backbone network VPNs are not connected to a CE, VPN instance need to be configured on the PE, and an interface on the PE for connecting to the CE must be bounded to a VPN instance. After binding an interface to a VPN instance, you must configure the IP address of the interface Between

PEs, IS-IS is configured for PE interworking. MPLS basic capabilities and MPLS LDP are configured for MPLS LSP establishment, and MP-IBGP is configured for VPN route exchange.

How to enable CE 1 to learn routes from AS 64430?

Import IS-IS 200 routes in IS-IS process 100
Import IS-IS 100 routes in IS-IS process 100
Import BGP routes in IS-IS process 100
Import BGP routes in IS-IS process 200

Answer(s): C

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QUESTION: 5

QUESTION: 6

QUESTION: 7

QUESTION: 8