Real HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Dumps H12-831_V1.0-ENU Questions

1. In order to speed up the perception of link failures in the IS-IS network, IS-IS can be linked with BFD.

2. In OSPF, ABR will convert all Type 7 LSAs in the NSSA area into Type 5 LSAs.

3. Regarding the IPSG, which of the following statement is incorrect?

4. Which of the following are not included in the security protection actions that a secure MAC address can perform?

5. An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. As shown in the figure, an engineer captures the packet to view the update message sent by R1.

Regarding the description of the message information, which of the following statements is correct?

6. As shown in the figure, a certain park has deployed IPv6 for service testing, and there are 4 routers in the network. Run OSPFv3 to realize network interconnection.

Regarding the LSA generated by the OSPFv3 network, which of the following statements is wrong?

7. A network engineer outputs the following information when troubleshooting OSPF. Based on this, determine which reason causes the adjacency relationship to fail to be established normally?

8. A router is running OSPF, and the output information is as shown in the figure. Which of the following statements is correct?

9. When there are multiple redundant links in the IS-S network, multiple equal-cost routes may appear.

Regarding equal-cost routes in an IS-IS network, which of the following descriptions is wrong?

10. As shown in the figure, all routers run OSPF.

Which of the following statements is correct?

11. What is the value of OSPF and BFD linkage?

12. According to this figure, which of the following is the correct description of the IPv6 routing information calculated by the R4 router through IS-IS?

13. The routing attributes of the three routing entries are shown in the figure. Assuming that the next hop of the three routing entries are all reachable, when the three routing entries arrive at the BP router in sequence, by default, BGP will finally select one route entry?

14. As shown in the figure, Client1 and Client2 act as clients of RR1 and RR2 at the same time, RR1 and RR2 are in the same Cluster, and R has introduced 10 routes. Assume that the BCP configuration is correct.

The neighbor relationship has been established. How many routing entries are there in the BGP routing table of Client2 ultimately?

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

16. When troubleshooting dual-master faults in a VRRP backup group, which of the following statements is wrong?

17. When troubleshooting the EBGP neighbor relationship, you found that two directly connected devices use Loopback ports to establish a connection, so execute display current-configuration configuration bgp to view the configuration of peer ebgp-max-hop hop-count. Which of the following statements is correct?

18. 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?

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

20. As shown in the figure, MPLS 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?

21. As shown in the figure, the cost value of the link that all interfaces of the router enable DSPF is identified in the figure.

The Loopback D interface of R2 is advertised in area 1. Then the cost value of R1 to 10.2/32 is:

22. As shown in the figure, all interfaces of the router enable OSPF. The ip address identified in the figure is the IP address of the device's Loopback 0 port. R1, R2, R3EJLoopbacD are advertised in area 1, and Loopbacfk D of R4 is advertised in area D, the Loopback D of R5 is advertised in area 2. Which of the following addresses can ping each other?

23. According to this picture, we can judge:

24. In the network shown in the figure below, if you want to implement a remote LDP session between SWA and SWC, which statement is correct?

25. As shown in the figure, MPLS/BGP IPVPN is deployed in the network. The MP-BGP neighbor relationship is established between PE1 and PE2 through the LoopbackD interface. After the configuration is completed, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 to query neighbor information as shown in the figure. What is the most likely cause of the problem?

26. According to this picture, we can judge:

27. According to this picture, we can judge:

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

29. The 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 the network administrator A need to configure at least?

30. 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 achieve network interoperability. R2, R3, and R4 in branch 2 deploy IS-S to achieve network interoperability.

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

31. According to this figure, it can be known that in VLAN300, 0 MAC drift occurred by 00e0-fc3d-3bdb from 17:22:38 to 17:22.44 on 2020-06-04.

32. According to this picture, we can judge:

33. As shown in the figure, all interfaces of the router enable OSPF. Which of the following statements is correct?

34. An engineer used two routers to test IPv6 services, and simulated the interconnection between headquarters and branches by running BGP4+.

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

35. 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 PF1 has advertised the 192.168.1.0/24 network segment route in Site1 to PE2 through the MP.JIBGP neighbor relationship, and the route learning is normal.

When capturing the data that Site2 visits the 192.168.1.0/24 of Site1 between P and PE1, what should be the outermost label?

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

37. Which of the following regarding the configuration description is wrong?

38. 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 route entry 10.10.10.0/24 advertised by R1 be delivered to?

39. According to the configuration shown in the figure below, you can know that how many interfaces of R4 are advertised into IS-IS?

40. As shown in the figure:

41. As shown in the figure:

42. As shown in the figure:

43. 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 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 and interoperability of IPv6 networks by running OSPFv3.

Which of the following statements regarding the election of DR on this network is correct?

44. As shown in the figure, the cost value of the link that all interfaces of the router enable OSPF is identified in the figure. Loogback0 interfect of R2 is advertised in area 0. In area 1, both R2 and R3 will be transmitted in the form of Typae3 LSA 10.0.2.2/32 routing information.

45. An enterprise purchased the leased lines of two operators. In order to optimize the route, the enterprise used the 6GP protocol to learn routing entries of the two operators. However, the company found that after such a configuration, the traffic of the export routing increased greatly. After the network engineering investigation, it was found that the traffic of the two operators was passed to each other through the company's export router.

Therefore, the company intends to use routing strategies to prevent the traffic between different operators from passing each other. Is the configuration in the figure correct?

46. As shown in the figure, the carrier BGP/MPLS IP VPN backbone network constructs SP through DP. If you want to realize the intercommunication between the two sites of user X through the BGP/MPLS IPVPN network, the 32bit mask of Loopback interface address must be used between PE1 and PE2 to establish the MP-IBGP peer relationship.

47. As shown in the figure, all interfaces of the router enable OSPF, among which R4 and R5 can establish OSPF virtual connections.

48. As shown in the figure, OSPF is deployed in a campus, and Area 1 is deployed as an NSSA area. By default, R2 will automatically generate a Type 7 LSA default route and flood it in the NSSA area.

49. As shown in the figure, network administrator A on the R1 router, after modifying the Local Preference value of the routing entry sent to R2 through the routing policy, can control the path of traffic leaving AS100.

50. As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so there is no type 3 LSA in the LSDB of R3.

51. As shown in the figure, network administrator A on the R1 router, after modifying the MED value of the routing entry sent to R2 through the routing policy, can control the path of traffic entering AS100.

52. The OSPF protocol runs between CE and PE, when CE1 advertises the route of the site to CE2. Which of the following description is wrong?

53. In the LDP session establishment process, the active party will first send the lnitialization information for parameter negotiation, and if the passive party does not accept the negotiation parameters, it will send _____ .

54. Regarding MP-BGP, whici of the following description is incorrect?

55. By default, which of the following secure MAC address types will be lost after the device restarts?

56. What is the command to adjust the link cost value of an IS-IS interface?

57. What is the purpose of configuring LSP fragmentation for IS-IS equipment?

58. A router LSA is shown in the figure. Which of the following statement is wrong?

59. Regarding the cause of the dual-master failure of the VRRP backup group, which of the following is the most unlikely?

60. Which of the following is not part of the preliminary preparations for the cutover plan?

61. During the process of viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can make the Moni tor terminal no longer pop up the debug message? (Multiple Choice)

62. R1 executes the operation ping -a 10.1.1.1 10.5.16.2, what does this command mean?

63. Regarding the role of ping and tracert, which of the following statements is correct?

64. In the intra-domain MPLS VPN network, when the data packet enters the public network and is forwarded, it will be encapsulated with two layers of MPLS labels. Regarding the description of the two layers of labels, which of the following options is wrong?

65. Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on the PE?

66. Regarding BGP/MPLS IPVPN data forwarding, which of the following descriptions is wrong?

67. Regarding BGP/MPLS IPVPN routing interaction, which of the following descriptions is wrong?

68. Which of the following descriptions is wrong?

69. MPLS has the concept of FEC forwarding equivalence class, so FEC cannot be allocated based on which of the following standards?

70. What is the flooding scope in OSPFv3 for the LSA in the entire autonomous system?

71. What is the flooding scope in OSPFv3 for the LSA in the entire autonomous system?

72. When troubleshooting MSTP, you executed the display current-configuration command to obtain the configuration file of the device. Which of the following statements is wrong?

73. If the display current-configuration can reach the IS-IS configuration, but there is no IS-IS configuration in the display saved-configuration, what does it mean?

74. Compared with the OSPFv2 message header, what fields are added in the OSPFv3 message header?

75. What is the default aging time of the MAC address table of Huawei switches in seconds?

76. Which of the following is wrong about DHCP Snooping?

77. What is the most effective way to view device alarms through CLI?

78. Regarding the site in the BGPIMPLS IP VPN network architecture. Which of the following descriptions is correct?

79. If you are faced with a complex network failure, and after evaluation, it is considered that the troubleshooting cannot be completed in a short time, and at this time the user urgently needs to restore the availability of the network, then which is the correct approach?

80. In an operator's MPLSVPN network, there are two devices, PE1 and PE2, for MPLSVPN data forwarding. PE1 receives a 172.16.1.0/24 private network route from the client, and transforms it into a VPNv4 route on PE1 and assigns labels. Released to PE2 as 1027. The outgoing label of the MPLSLSR-ID from PE2 to PE1 is 1025.

When the client on PE2 accesses 172.16.1.0/24, the inner and outer labels of the frame sent by PE2 should be the combination of the following options?