Get 100% Success With The Most Updated H12-891_V1.0-ENU Exam Dumps Questions

1. According to different network conditions, Layer 2 Portal authentication or Layer 3 Portal1 authentication can be deployed in the network. Which of the following descriptions is wrong?

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

3. In the scenario of establishing a VXLAN tunnel in the BGP EVPN state, which of the following descriptions about the role of BGP EVPN Type 3 routes is wrong?

4. The GRE tunnel supports the MPLS LDP function.

5. BIER, as a new forwarding technology, adopts the basic IGP routing protocol and unicast routing forwarding mechanism, so that there is no need to run IGMP between the multicast receiver and the multicast router.

6. 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).

7. 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:

8. Which of the following descriptions about BGP/MPLS IP VPN routing interaction is wrong?

9. Network slicing technology can divide exclusive network resources in the network to carry high-value service traffic. Which of the following descriptions about network slicing is wrong?

10. Based on the information given in the figure, which of the following statements is correct?

11. Which of the following regular expressions can match only the BGP route entries that pass through AS300 and then AS200?

12. As shown in the figure, the host implementing the 10.0.1.0/24 network segment accesses 10.0.4.0/25 unidirectionally through virtual system a (vsysa) and virtual system b (vsysb). Which of the following commands need to be used to configure the route?

13. Which of the following descriptions about the difference between SPFv2 and SPFv3 are correct?

14. When troubleshooting the BGP neighbor relationship, the network administrator finds that two directly connected devices use the Loopack port to establish a connection, so run display current-configuration configuration bgp to check the configuration of peer ebgp-mat-h ​​p h p-c tnt.

Which of the following descriptions about the command is correct?

15. 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?

16. Which of the following descriptions about traffic policing is correct?

17. 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?

18. When the switch is deployed with DHCP option 148, which of the following information will not be provided by the DHCP server to the switch to be deployed?

19. When the user encounters different events during the authentication process, the user is in an unsuccessful authentication state. At this time, you can configure the authentication event authorization to meet the needs of these users to access specific network resources.

Which of the following descriptions about authentication event authorization is wrong?

20. 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?

21. Which of the following extended community attributes is used by BGP EVPN to advertise the migration of connected VMs?

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

23. The OSPF-based SR-MPLS function is enabled on all routers in a network. The SREB of each router is shown in the figure. By default, when R3 forwards a packet whose destination address is 10.0.4.4, which of the following MFLS labels is carried item?

24. SR-MPLS Policy can use BGP extension to transmit tunnel information, as shown in the figure.

Among them, SR-MPLS Policy is optimized by which of the following parameters?

25. The network administrator enters display telemetry subscription on the device to view the Telemetry subscription information, and the output is as follows. Which of the following descriptions is wrong?

26. Which of the following statements about the difference between NSR and NSF is correct?

27. The RF function of the BGP protocol can control the routing entries sent by the neighbors.

Which of the following tools does a BGP router need to use for this purpose?

28. In the process of establishing an LDP session, the active party will first send Initialization information to negotiate parameters. If the passive party does not accept the negotiated parameters, which of the following messages will be sent?

29. If the configuration of IS-IS can be found through the display current-configuration command, but the configuration of IS-IS cannot be found through the display saved-configuration command, which of the following is the possible reason?

30. The IS-IS Level-1 neighbor relationship between R3 and R4 is not established.

[R3] display isis error

Hell packet errors ：

... ...

Repeated System ID ： 0 Bad Circuit Type ： 0

Bad TLV Length ： 0 Zer Holding Time ： 0

Unusable IP Addr ： 0 Repeated IPV4 Addr ： 0

Mismatched Area Addr （ L1 ）： 13 Mismatched Prot ： 0

SNPA Conflicted （ LAN ）： 0 Mismatched Level ： 0

Mismatched Max Area Addr ： 0 Bad Authentication ： 0

... ...

[R3]

Based on the information in this graph, which of the following is the likely cause?

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

32. The network administrator uses ACL and only wants to match the four routing entries whose Num numbers are 1, 3, 5, and 7 in the figure. What are minimum numbers of ACL ruler need to be configured by the network administrator?

33. As shown in the figure, the ARP broadcast suppression function is enabled in the BD20 domain on VTEP1, and VTEP1 has learned the ARP information of PC2 through the BGP EVPN route. When the ARP request sent by PC1 for PC2 is forwarded by VIEP1 to VIEP2, which of the following is the destination MAC address of the inner data frame?

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

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

36. Compared with traditional networks, SD-WAN can better ensure application experience. Which of the following is the main reason?

37. Assuming that there are 5 segment IDs in the SRH of an SRv6 packet, when the packet reaches the third router on the forwarding path, the node will set the segment ID numbered by which of the following as the IPv6 destination address?

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

39. 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?

40. 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?

41. 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"}

42. BGP-LS (BGP Link State) carries information such as links, nodes and topology prefixes.

43. Enterprises can access the Internet through dial-up connection, xDSL, xPON, etc.

44. NVE is a network entity that realizes the function of network virtualization, and can only be a hardware switch.

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

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

47. 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.

48. When there is a relay device between the DHCP client and the server, if the IP address in the global address pool of the DHCP server is not in the same network segment as the IP address of the VLANIF interface connected to the client on the relay device, it will cause a DHCP failure.

49. In order to speed up the sensing speed of link failure in IS-IS network, IS-IS can be linked with BFD.

50. 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.