Updated H12-891_V1.0 Exam Questions - Best Study Materials For H12-891_V1.0 HCIE-Datacom V1.0 Certification Exam

Updated H12-891_V1.0 Exam Questions – Best Study Materials For H12-891_V1.0 HCIE-Datacom V1.0 Certification Exam

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1. Which of the following statements about choosing an authentication point location in a network is incorrect?

Deploying authentication at the access layer of the network is conducive to fine-grained management of permissions and high network security

After the user authentication point is moved from the access layer to the aggregation layer, the user's MAC authentication may fail

Setting the user authentication point at the access layer has advantages and disadvantages compared to setting it at the aggregation layer or the core layer. Policy linkage can be used as a solution.

When the user authentication point is moved from the access layer to the aggregation layer and the core layer, the number of authentication points is greatly reduced, which can effectively relieve the pressure on the AAA server

2. In the process of client SSH login to a server configured with username and password authentication only, it will not go through the key exchange stage (no key will be generated).

TRUE

FALSE

3. IS-IS is a link-state routing protocol that uses the SPF algorithm for route calculation.

As shown in the figure, a campus deploys both IPv4 and IPv6 and runs IS-IS to achieve network interconnection. R2 only supports IPv4.

Which of the following statements about the topology calculation of this network is correct?

If you want IPv4 and IPv6 network computation to form the same shortest path tree, you need to run the ipv6 enable topology ipv6 command to enable the IPv6 capability in the IS-IS process

By default, since R2 does not support IPv6, in the shortest path tree formed by IPv6 network calculation, the path from R1 to R4 is: R1-R3-R4

By default, IPv4 and IFv6 networks will be calculated separately to form different shortest path trees

By default, in the shortest path tree formed by IFv6 network calculation, the path from R1 to R4 is R1-R2-R4. Since R2 does not support IFv6, R2 will directly discard IPv6 packets after receiving them, causing traffic lost

4. As shown in the figure, which of the following descriptions is wrong?

The packet information of VLAN configuration delivered by NETCONF protocol is as follows:

The purpose of this NETCONF message is to create VLAN 10 on the device.

The <target> tag indicates the configuration library used by the NETCONF message. In this example, it is the startup configuration library.

<edit-config> indicates that the function of the message is to modify, create or delete configuration data

<protocol Vlan xc: operation="merge"> means modify the existing or non-existing target data in the configuration database, create if the target data does not exist, and modify if the target data exists

5. In the virtualized campus network deployed through ilMaster NCE-Campus, some key parameters need to be configured in the authorization rules for access authentication. Which of the following is not included?

Binding authentication rules

Access method

Bind the authorization result

Authorization Rule Name

6. When there are multiple redundant links in the IS-IS network, there may be multiple equal-cost routes.

Which of the following descriptions about equal-cost routing in an IS-IS network is wrong?

When the number of equal-cost routes in the network is greater than the number configured by the command, and these routes have the same priority, the route with the larger system ID of the next hop device is preferred for load balancing

If load balancing is configured, the traffic will be evenly distributed to each link

After the equal-cost route priority is configured, when the IS-IS device forwards the traffic reaching the destination network segment, it will not adopt the load balancing method, but forward the traffic to the next hop with the highest priority

For each route in the equal-cost route, a priority can be specified, the route with the highest priority will be preferred, and the rest will be used as backup routes

7. The following is a part of the NETCONF protocol message, <rpc xmlns="urn:ietf:params:xml:ns:netc nf:base:1.0" message-id="1024">Where is it located in the NETCONF architecture layer?

Transport layer

Message layer

Content Layer

Operation layer

8. Which of the following does not belong to the scope of dynamic data collection on the live network before cutover?

Routing Protocol Status

ARP entry

Port Status

SNMP version

9. Switch stacking and cross-device link aggregation can be deployed to achieve link reliability in small and medium-sized campus scenarios.

TRUE

FALSE

10. In the Huawei SD-WAN solution, which of the following routing protocols are used to transmit VPN routes between CPEs?

BGP

RIP

SPF

IS-IS

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11. Which of the following descriptions about Prefix Segmente is incorrect?

On Huawei devices, Prefix Segment ID supports manual configuration and automatic protocol configuration

Prefix Segment is identified by Prefix Segment ID (SID)

Prefix Segment is used to identify a destination address prefix in the network

Prefix Segment spreads to other network elements through IGP protocol, globally unique

12. Which of the following descriptions about "security group" and "resource group" is wrong in Business Travel?

The resource group supports static binding of IP addresses or address segments

On iMaster NCE-Campus, the UCL group is the security group

The any group can be used as both a source group and a destination group

The security group supports static binding of IP addresses or address segments

13. When the client calls the iMaster NCE-Campus login authentication RESTful interface, the method used is POST, and the request message body format is {"userName": "xxx", "password": "xxx"}

TRUE

FALSE

14. When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.

TRUE

FALSE

15. Using BGP EVPN as the control plane of VXLAN can completely avoid traffic flooding in the VXLAN network, such as ARP broadcast packets.

TRUE

FALSE

16. In the dual-system hot backup scenario of the firewall, the heartbeat interface can be directly connected physically, or it can be connected through an intermediate device such as a switch or router.

TRUE

FALSE

17. There are multiple protocols that can change or obtain network device data. Which of the following protocols cannot be used to change network device data?

SNMP

NETCONF

RESTC NF

IPsec

18. In the campus VXLAN network, which of the following equipment is used to connect the Fabric and the external network of the Fabric?

Extended

Brder

Transparent

Edge