Updated Huawei H12-831_V1.0-ENU Dumps – Great Online Resource For Clearing H12-831_V1.0-ENU Exam

1. To speed up the detection of link failures in IS-IS networks, you can associate IS-IS with BFD.

2. In OSPF, ABR converts all Type 7 LSAs in the NSSA area to Type 5 LSAs.

3. Which of the following statements about IPSG is false?

4. The security protection actions that can be performed by a secure MAC address do not include which of the following?

5. As shown in the figure, a campus has deployed IPv6 for service testing, and there are 4 routers in the network.

Run OSPFV3 to realize network interconnection.

Which of the following statements is false about the LSA generated by this OSPFv3 network?

6. A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?

7. All routers run OSPF as shown.

Which of the following statements is correct?

8. According to this figure, which statement is correct about the IPv6 routing information calculated by the R4 router through IS-IS?

9. The routing attributes of the three routing entries are shown in the figure. It is assumed that the next hops of the three routing entries are reachable. When the three routing entries arrive at the BP router in sequence, which routing entry will BGP choose in the end by default?

10. As shown in the figure, Client1 and Client2 serve as clients of RR1 and RR2 at the same time. RR1 and RR2 are in the same Cluster, and R1 has entered 10 routes. It is assumed that BGP is configured correctly.

All neighbor relationships have been established. How many routing entries exist in the BGP routing table of Client2?

11. Which of the following is not a hardware preparation for cutover?

12. Which of the following statements is false when troubleshooting the dual-active failure of the VRRP backup group?

13. When troubleshooting the EBGP neighbor relationship, you find that the two directly connected devices use the loopback port to establish a connection, so execute display current-configuration configuration bgp to check the configuration of peer ebgp-max-hophop-count. Which of the following statements is correct?

14. When a fault occurs, the fault can be classified to reduce the scope of fault location. Which of the following is not an interface configuration fault?

15. If you want to check the files under Flash, which command should you use?

16. As shown in the figure, the APLS LSP is configured in the network and the goal is to establish an LDP session between SWA and SWB, then which of the following statement is correct?

A. Configured correctly

B. No need to enable MPLS globally

C. No need to enable MPLS on the port

D. The mpls lsr-id of the two devices cannot be configured in the same way

17. As shown in the figure, OSPF is enabled on all interfaces of the router, and the cost value of the link is marked in the figure. The Loopback0 interface of R2 is advertised in area 1, then the Cost value of R1 reaching 10.0.2.2/32 is:

18. As shown in the figure, OSPF is enabled on all interfaces of the router. The ip address marked in the figure is the IP address of the loopback0 interface. The Loopback0 of R1, R2, and R3 is advertised in area 1, and the Loopback0 of R4 is advertised in area 0, Loopback0 of R5 announces which of the following functional addresses in area 2 can ping each other?

19. According to this picture, we can judge:

20. In the network shown in the figure below, if a remote LDP session between SWA and SWC is to be realized, which of the following statement is correct?

21. As shown in the figure, MPLS/BGP IPVPN is deployed in the network, and the MP-BGP neighbor relationship is established between PE1 and PE2 through the Loopback0 interface. After the configuration is complete, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 Looking at the neighbor information as shown, what is the most likely cause of the problem?

22. According to this figure, we can judge:

23. According to this picture, we can judge:

24. The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?

25. Network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does network administrator A need to configure at least?

26. As shown in the figure, an engineer uses 4 routers to test branch network interoperability. Among them, R1, R2, and R3 in branch 1 deploy OSPF to realize network interoperability. R2, R3, and R4 in branch 2 deploy IS-IS to realize network intercommunication.

Now the engineer wants to implement R1 to access the loopback interface address of R4. Which of the following operations can meet this requirement?

27. According to this figure, it can be known that in VLAN 300, on 2020-06-04, from 17:22:38 to 17:22:44, how many MAC flaps does the 00e0-fc3d-3bdb have?

28. According to this figure, we can judge:

29. As shown in the figure, OSPF is enabled on all interfaces of the router. Which of the following statements is correct?

30. An engineer uses two routers to test IPV6 services, and simulates the interconnection between the headquarters and branches by running BGP4+.

The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two-way devices, which of the following statements is false?

31. As shown in the figure, Site1 and Site2 need to achieve mutual access through the operator's BGP/MPLS IPVPN. It is known that the public network tunnel between PE1 and PE2 has been established (the label information is shown in the figure), and PE1 has advertised the route of network segment 192.168.1.0/24 in Site1 to PE2 through the MPLS BGP neighbor relationship, and the route learning is normal.

When grabbing between P and PE1, when Site2 accesses the 192.168.1.0/24 data of Site1, what should be the outermost label?

32. Part of the configuration of R1 is as follows. Which statement about OSPF on R1 is correct?

33. Which is wrong with this configuration description?

34. Assuming that the neighbor relationship between BGP routers has been established successfully, the configuration on R1 is as shown in the figure.

Which router can the routing entry 10.10.10.0/24 published by 1 be delivered to the farthest?

35. According to the configuration shown in the figure below, you can know that R4 has an interface advertised into IS-IS?

36. A campus deploys OSPF to achieve network interoperability. An engineer configures R2 as shown in the figure. Which of the following description of LSAs in the OSPF network is wrong?

[R2] acl 2000

[R2-acl-basic-2000] rule deny

[R2-acl-basic-2000] quit

#

[R2] ospf

[R2-ospf-1] area 1

[R2-ospf-1-area-0.0.0.1] filter 2000 import

[R2-ospf-1-area-0.0.0.1] quit

[R2-ospf-1] default-route-advertise always

37. As shown below:

38. OSPFV2 is an IGP running on an IPV4 network; OSPFv3 is an IGP running on an IPV6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFv2, such as the election of DR and BDR.

As shown in the figure, an engineer uses three routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFv3.

Which of the following statements about the election of the network DR is correct?

39. As shown in the figure, OSPF is enabled on all interfaces of the router, and the cost value of the link is advertised in area 0 according to the Loogback0 of R2 as shown in the figure, then in area 1, both R2 and R3 will transmit 10.0 in the form of Typae3 LSA .2.2/32 routing information.

40. An enterprise purchased private lines from two operators. In order to optimize the lines, the enterprise used BGP to learn routing entries from the two operators. However, the enterprise found that the traffic of the egress route increased greatly after this configuration. After the network engineering investigation, it was found that the traffic of the two operators was passed to each other through the enterprise egress router.

Therefore, the enterprise intends to use the routing strategy so that the traffic of the packets of different carriers is no longer passed to each other. Is the configuration in the following figure correct?