H12-891_V1.0 Exam Dumps - Huawei HCIE-Datacom Questions and Answers

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Questions 4

In MPLSVPN, in order to distinguish between IPv4 prefixes that use the same address space, the RD value is added to the IPv4 address, and the following options are described correctly as ?

Options:

RD can be used to control the publication of VPN routing information

On a PE device, each VPN instance corresponds to an RD value, and the RD value must be unique on the same PE device

RD is encapsulated in the Update message as an extended community attribute of BGP during delivery

After the PE receives an IPv4 route from CE, it adds an RD to the route to IPv4 that translates to a globally unique VPN-IPv4 route and publishes it on the public network

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Questions 5

Regarding the BGP/MPLS IP VPN network architecture, what is the error described below?

Options:

sites can be accessed each other through vPNs, and a site can only belong to a VPN

P devices only need basic MPLS forwarding capabilities and do not maintain VPN-related information

BGP/MPLSIPVPN network architecture consists of CE (Customer Edge), PE (Provider Edge) and P (Provider), of which PE and P Is a carrier device, CE is BGP/MPLSIPVPN with

Household equipment

Under normal circumstances, CE devices are not aware of the presence of VPN, and CE devices do not need to support MPLS MP-BGP, etc

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Questions 6

The following about BGP routing, describing the error, is ?

A, non-aggregate routes take precedence over aggregate routes

B. In PrefVal, Local_ Preference is equal to the case if the route is generated locally, IBGP Routing, the BGP preference for EBGP routing, is generated effectively referring to route priority.

C. See the following entry in the BGP routing table:* 172161.11/32 000010 0? Indicates that the route is available non-optimal

D. For next_hop unreachable routes when invalid routes, do not participate in the preferred.

Options:

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Questions 7

If the OSPP protocol is running in the network , after configuring the non-backbone area in the OSPP area as the Totally Stub region, the ABR router sends a message to Totally. The Stub region issues an LSA with an LS ID of 0000, and what type of LSA is the LAS to?