Share Latest Aug-2026 H12-891_V1.0Test Practice Test Questions, Exam Dumps [Q112-Q135]

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Share Latest Aug-2026 H12-891_V1.0Test Practice Test Questions, Exam Dumps

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a globally recognized certification program offered by Huawei. HCIE-Datacom V1.0 certification is designed for professionals who want to demonstrate their skills and knowledge in the field of data communication. HCIE-Datacom V1.0 certification exam provides an in-depth understanding of data communication technologies, including network design, protocols, and security.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) exam is a certification program that is designed for network engineers and professionals who want to validate their knowledge and skills in the field of data communication. H12-891_V1.0 exam is offered by Huawei Technologies Co. Ltd, a leading global provider of information and communication technology solutions. HCIE-Datacom V1.0 certification program is intended to help candidates gain a better understanding of the latest technologies and trends in data communication, and to be able to apply this knowledge to their work.

NEW QUESTION 112
Which of the following channels are involved in the Huawei SD-WAN Solution?

Management channel

Control channel

Data channel

Orchestration channel

NEW QUESTION 113
iMaster NCE-CampusInsight uses SNMP technology to collect metrics and logs of network devices and detects network exceptions based on real service traffic.

TRUE

FALSE

NEW QUESTION 114
To implement the traffic filtering function, you can use trapp-filter or MQC, which can be called in more views than traffic-filter

FALSE

TRUE

NEW QUESTION 115
The following statement about the NSSA area is correct (multiple choice).

In the NSSA area where the OSPF neighbor sends hello packets, the N position 0, E within the option field Position 1

The NSSA zone must automatically generate a default LSA to access the external network

The NSSA zone generates a Category VII LSA to advertise external routing, and the FA address in the Category VII LSA acts to prevent loops

In the OSPF neighbor in the NSSA region sends hello packets, position 1 within the option field , position E

NEW QUESTION 116
The naming of SRv6 instructions complies with certain rules. You can quickly determine the function of an instruction based on the instruction name. Which of the following statements about the keywords in SRv6 instruction names are correct? (Select all that apply)

X: Forwards packets through one or a group of specified Layer 3 interfaces.

M: Searches a Layer 2 forwarding table for unicast forwarding.

V: Searches a VPN instance routing table to forward packets.

T: Searches a specified routing table to forward packets.

NEW QUESTION 117
Which of the following functions can be provided by iMaster NCE-Campus when it functions as a relay agent for authentication?

User accounting

User authentication

User analysis

Marketing

NEW QUESTION 119
In the LDP session establishment process, the initiator sends an Initialization message for parameter negotiation. Which message will be sent by the responder if it does not accept negotiation parameters?

Error Notification Message

Initialization Message

Keepalive Message

Hello Message

NEW QUESTION 120
As shown in the figure, there are two IP6 networks that can access the IPv4 network, and the IPsec tunnel needs to be established between the two IPv6 networks to communicate, which of the following requirements?(). Single choice questions).

ESP + tunnel mode

AH + transmission mode

AH + tunnel mode

None of the above options are correct

NEW QUESTION 122
When configuring a static VXLAN tunnel, you need to manually configure the _____, VTEP IP address, and ingress replication list. (Enter only uppercase letters.)

NEW QUESTION 123
Regarding BGP MED, which of the following descriptions is correct?

In the BGP routing rules, MED has a lower priority than AS Path, Praferred-value, Local-Preference, etc Origin

The default value for the BGP routing MED is 0

By default, if there is no MED value in the route attribute, it is processed by 0 If the bestroute med-none-as-maximum command is configured, MED is processed as the maximum 4294967295

By default, BGP routing rules can MED comparison of routes from different autonomous systems

NEW QUESTION 124
MPLS supports Forwarding Equivalence Class (FEC). Which of the following cannot be used as a FEC allocation standard?

Application protocol

Fragment offset

Class of Service (CoS)

Destination address

NEW QUESTION 125
Which of the following is the mapping between VNIs and BDs in VXLAN implementation?

N:M

1:1

N:1

1:N

NEW QUESTION 126
The following description is correct regarding route control

IBGP routes can be introduced using the impot-route BGP command

AS-path-fiter is for AS-path, which affects the routing of paths.

OSPF, ISIS, and BGP can issue default routes.

In Node 10, if-match community-fiter1 and f-match as-pah-fiter1 are “and the relationship

NEW QUESTION 127
What kind of scenario can use AS one path and one filter?

Filter routes received from BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peer x.X.x.x as path-filter import

The apply clause in Routepolicy

Filter routes sent to BGP neighbors based on the AS PATH attribute that the route carries. For example, the command peerx. X.x.x as path-filter export

If-natch clause answer in Route-policy.

NEW QUESTION 128
Which of the following statements aboutOPS (Open Programmability System) application scenariosisincorrect?

To enable a network device to automatically send a configuration file to the server after the device configuration is saved, users can use the maintenance assistant to create a timer trigger condition and periodically run the Python script.

When the OPS is used to automatically deploy unconfigured devices, a Python script is used to obtain the IP addresses of the software and configuration file server and download the system software and configuration file.

The OPS can reduce the impact of the network environment in some cases. For example, when collected information is transmitted to a server, the Python script can be used to temporarily store the execution result to the device when the network is disconnected. After the network is reconnected, the execution result is transmitted to the server.

The OPS can be used to automatically check the health status of devices.

NEW QUESTION 130
As shown in the figure,

in the context of IPv4 and IPv6, the SEL field in the NET address of the ISIS is always valued as 00?

True

False

NEW QUESTION 131
MQC, like PBR-can only be called under the device’s Layer 3 interface.

TRUE

FALSE

NEW QUESTION 132
Portal authentication is recommended for scenarios with high mobility and numerous terminal types, such as shopping malls and supermarkets. MAC address authentication is recommended for dumb terminals that do not support Portal authentication, such as printers, fax machines, and IP phones.

TRUE

FALSE

NEW QUESTION 133
In addition to stateless address autoconfiguration, IPV6 devices can also obtain addresses, gateways, DNS, and other information through DHCPv6

True

False

NEW QUESTION 134
On the network shown in the following figure, a remote LDP session needs to be established between SWA and SWC. Which of the following statements is correct?
[SWA] mpls lsr-id 1.1.1.1
[SWA] mpls
[SWA-mpls] mpls ldp
[SWC] mpls lsr-id 33.3.3.3
[SWC] mpls
[SWC-mpls] mpls ldp
SWA —- SWB —- SWC
<—— Remote LDP Session ——>

You don’t need to specify the LSR ID of the remote peer.

You need to configure the directly-connected interfaces between SWA and SWC to set up TCP connections.

The existing configuration is correct.

You need to create a remote peer and specify an LSR ID for the remote peer.

NEW QUESTION 135
In an MPLS BGPVPN environment, if tags are distributed only through BGP and LDP, the MPLS tags of the message can be up to two layers of tags

True

False