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

Question # 84

Which is the correct description of optimal routing election for each protocol in the following options?( Radio).

Options:

A.

Route entries in BGP that are unreachable for the next hop are also placed in the IP routing table.

In the

B.

BGP protocol, the best route to reach the same destination circumference is selected by comparing the cost values of the route entries.

C.

The OSPF protocol puts all the routing information in the LSDB into the IP routing table.

D.

From BGP and OSPF, different route entries to reach the same destination segment are learned, and the optimal route is selected to join the IP route table by comparing the protocol's preference value .

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Question # 85

The following description of the LDPLSP establishment process is correct?

Options:

A.

By default, LSRs are for the same FEC, and the received tag mappings can only come from the optimal next hop, not from the non-optimal next hop.

B.

When a network topology change causes the next hop neighbor to change, the free label keep method is used. LSR can quickly rebuild the LSP by directly using the labels sent by the original non-optimal next-hop neighbor. Liberal needs more memory and tag space.

C.

In the DoD mode of label publishing, for a specific FEC, the LSR does not need to obtain a label request message from upstream to distribute the label.

D.

The process of establishing a D. LSP is actually to bind the FEC to the tag and advertise this binding to the LSP upstream LSR process.

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Question # 86

OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

Options:

A.

TRUE

B.

FALSE

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Question # 87

As shown in the figure,

RI, R2 establishes an EBGP neighbor and turns on the BFD detection function, the following statement is correct

Options:

A.

Detection time for BFD packets for AR2 800ms

B.

R1 Detection time for BFD packets for 1280ms

C.

R1 Detection time for BFD packets The detection time for BFD packets for 660ms

D.

R2 is 600ms

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Question # 88

NXLAN under different VPNs need to be accessed, one of the subnets is as follows, EVPN under RT 10: 10 both, RT 1000: 1000 export, VPN RT 100: 100 The other subnet can be configured as ?

Options:

A.

Vpn configure 1000:1000 both evpn

B.

EVPN configures 1000:1000 both

C.

Configure 1000:1000 export under EVPN

D.

Configure 10:10 both under VPN.

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Question # 89

In an HW MPLS network, what parameters are used to define a forwarding equivalent class??

Options:

A.

BGP MED ?

B.

IP prefix

C.

RSVP requests resource reservation

D.

from CE Layer 2 links

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Question # 90

In the evolution from IPv4 networks to IPv6, some transition technologies have emerged, which of the following are common types of transition technologies?

Options:

A.

Dual-stack technology

B.

Tunneling Technology

C.

Compatible with Technology

D.

Conversion Technology

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Question # 91

To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of the following messages is required?

Options:

A.

Type5

B.

Type4

C.

Typel

D.

Type2

E.

Type3

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Question # 92

The multicast IP address is 2291301301, and its corresponding MAC address is :(Multilist)

Options:

A.

01-00-5E-O2-82-01

B.

01-00-5E-82-82-01

C.

00-00-5E-02-82-01

D.

00-00-5E-82-82-01

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Question # 93

Off-stem cross-domain VPN-Option B scenario, the following description is incorrect?

Options:

A.

During the packet forwarding process, it is necessary to exchange the VPN's private network LSP on the

B.

two ASBRs IP-EBGP neighbor relationships.

C.

The cross-domain VPN-Option B scheme is not limited by the number of interconnection links between ASBRs

D.

The outer layer tag is exchanged between two ASBRs to vpnV4 routes.

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Exam Code: H12-891_V1.0
Exam Name: HCIE-Datacom V1.0
Last Update: Feb 23, 2025
Questions: 610
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