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Huawei H12-891 Practice Test - Questions Answers, Page 2

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Question 11

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Regarding the mpLS handling mode of TTL, is the following description correct?

Pipe mode. When an IP message passes through the MPLS network, the IPTTL minus 1 is mapped to the WLSTTL field at the incoming node.
Pipe mode. When an IP message passes through the MPLS network, the IPTTL minus 1 is mapped to the WLSTTL field at the incoming node.
The TTL in the B. MPLS label has the same meaning as the TTL field in the head. TTL prevents mpLS networks from developing bad routing.
The TTL in the B. MPLS label has the same meaning as the TTL field in the head. TTL prevents mpLS networks from developing bad routing.
Unifore style, when an IP packet passes through the MPLS network, the IPTTL of the incoming node is minus l. The MPLS TTL field is a fixed value.
Unifore style, when an IP packet passes through the MPLS network, the IPTTL of the incoming node is minus l. The MPLS TTL field is a fixed value.
In MPLSVPI, if you need to hide the structure of the MPLS backbone network, you can use Uniform mode on Ingress for private network messages .
In MPLSVPI, if you need to hide the structure of the MPLS backbone network, you can use Uniform mode on Ingress for private network messages .
Suggested answer: B
asked 18/09/2024
victoria nagy
42 questions

Question 12

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In an MPLS VPN network, different CE devices exchange routing information with the same PE device using different routing protocols, and different CE devices use routing protocols that are independent of each other

True
True
False
False
Suggested answer: A
asked 18/09/2024
Bates, Michael
44 questions

Question 13

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Which of the following options uses an alternate channel to enable communication between IPV6 addresses?

DualStack
DualStack
6to4
6to4
ISATAP
ISATAP
NAT64
NAT64
Suggested answer: B, C
asked 18/09/2024
Nabil BENIKHLEF
47 questions

Question 14

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If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agreements and addresses on that router.

True
True
False
False
Suggested answer: A
asked 18/09/2024
Mariusz Lewandowski
49 questions

Question 15

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BGP4+ is running between two routers, and the neighbor relationship is normal, but the BGP routing table of the router on this side does not have a neighbor route entry.

The route entry in the peer BGP route table is non-optimal.
The route entry in the peer BGP route table is non-optimal.
The next hop address of the
The next hop address of the
BGP route entry is unreachable
BGP route entry is unreachable
Peer ignore is configured on the peer
Peer ignore is configured on the peer
The peer is configured with active-route-advertise
The peer is configured with active-route-advertise
Suggested answer: A, B, D
asked 18/09/2024
junjie wang
45 questions

Question 16

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Which of the following options can affect the establishment of IBGP neighbors?

iBGP-Multi-hop is not configured
iBGP-Multi-hop is not configured
Authentication is unsuccessful
Authentication is unsuccessful
IGP routing is not passable
IGP routing is not passable
BGP protocol version inconsistencies
BGP protocol version inconsistencies
Suggested answer: B, C, D
asked 18/09/2024
Marcel Bertz
36 questions

Question 17

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Which of the following tools cannot be referenced directly by the If-match clause in Route-policy?

Regular expression
Regular expression
IP-prefix
IP-prefix
AS-path-filter
AS-path-filter
Community-filt
Community-filt
Suggested answer: A
asked 18/09/2024
David Clark
46 questions

Question 18

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What information does this contain in a basic layer packet? (Multiple choice)

Data link layer header
Data link layer header
Upper-level data
Upper-level data
The network layer header
The network layer header
path records
path records
Network Layer Tail
Network Layer Tail
Suggested answer: B, C
asked 18/09/2024
eddie alvarez
45 questions

Question 19

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The correct description of configuring BGP4+ is that

BGP4+ does not support route reflectors.
BGP4+ does not support route reflectors.
The next hop of a B. BGP4 route can use the Link-Local address.
The next hop of a B. BGP4 route can use the Link-Local address.
BGP4 configures the reflector, the role positioning of the reflector and the client needs to be consistent with the configuration of BGP4
BGP4 configures the reflector, the role positioning of the reflector and the client needs to be consistent with the configuration of BGP4
BGP4 specifies p
BGP4 specifies p
BGP4+? Router-ID ? BGP4 ? Router-IDó??
BGP4+? Router-ID ? BGP4 ? Router-IDó??
Suggested answer: B, E
asked 18/09/2024
Arindam Sinha
32 questions

Question 20

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A company network runs the OSPF protocol, a project in order to understand the OSPF mechanism in the network to perform packet transfer operations, the following description of ospf messages is correct?

The interface sends a Hello packet immediately after joining the OSPF region
The interface sends a Hello packet immediately after joining the OSPF region
LS update packet is sent only when the adjacency relationship is established
LS update packet is sent only when the adjacency relationship is established
When an LsUpdate packet is received, the router must send an LsAck acknowledgment
When an LsUpdate packet is received, the router must send an LsAck acknowledgment
LS update packet synchronizes the link state database by sending detailed LSA information 2
LS update packet synchronizes the link state database by sending detailed LSA information 2
Suggested answer: A, D
asked 18/09/2024
JORGE ROCHA
38 questions
Total 610 questions
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