Updated H12-821_V1.0-ENU Dumps Questions For HCIP-Datacom-Core Technology V1.0 Exam

1. About the OSPF calculating the shortest path tree phase, which of the following description is true?

2. About the description of IGMP Snooping working mechanism, which of the following statement is true?

3. How many Bytes is the minimum total length of the address in IS-IS?

4. On the VRP platform, when we introduce OSPF routing to ISIS, if COST is not specified, the cost value will be set to 16.

5. BGPAS_PATH property is a selectable transition property.

6. A network engineer outputs the following information when troubleshooting the OSPF protocol. Based on this to determine which cause the adjacency relationship cannot be established normally?

7. As shown in the figure, in a pure IPv6 environment, if you want to realize the communication between PC1 and PC2, which of the following addresses can be configured on PC1 and P2 respectively?

8. Four routers are running IS-S and the adjacency relation has been established, and the level of area number and router are marked as shown, which of the following statements are true?

9. A switch runs the RSTP protocol, and its related configuration information is shown in the figure. According to the command configuration, please point out that for Instance 1, the role of the switch is:

10. The following is a part of the configuration of a router, which of the following regarding the configuration is true?

11. Which of the following statement about OSPF neighbor information is incorrect?

12. As show in the figure, which of the following statements is true?

13. As shown in the figure, the data traffic before roaming is forwarding as the STA-HAP- upper network, and the forwarding method is direct forwarding, and the home agent is configured on the AP. After three-layer roaming, what is the direction of data forwarding traffic?

14. As shown in the figure, SWA, SWB, and SWC all run RSTP. What are the port roles of the GEO/O/2 port on SWB and the GEO/D/1 port on SWC?

15. The following information is the output of a router, which of the following regarding the information is true?

16. A router is running the IS-IS, the output information shown in FIG, which of the following statements is incorrect?

17. As shown in the figure below, the firewall received the message from PC1 to PC2, which of the following statement is true?

18. As shown is an IP packet header, which of the following statement is true?

19. The following is part of the output information of the Huawei router, regarding the output information, which of the following description is incorrect?

20. The four routes are running lS-IS and the adjacency relationship has been established, the level of the area number and routers as shown, which of the following statements is true?

21. Four routers are running IS-IS and have established adjacency relationships. The area numbers and router levels are marked as shown in the figure. If route penetration is configured on the R3 device, what is the cost value from R4 to 0.0.2.2/32?

22. The four routers are running IS-S and have established adjacency. The area number and router level are marked as shown in the figure. What is the cost value from R4 to 10.0.2.2/32?

23. A router is running the IS-IS, the output information shown in the figure, which of the following statements is true?

24. In the network shown in the figure, the R1 device is configured with route penetration, then the R1 device sends the LSP of Leve1-2 to R3, so that R3 can learn the entire network route.

25. As shown in the figure, four routers in the same LAN are running lS-IS, where R1 is DIS, then R2, R3, R4 establish adjacency relationship with R1 respectively, and no adjacency relationship is established between R2, R3, and R4.

26. The following is part of the output information of the router RTB. Which of the following regarding the description of the output information is false?

27. The output information of a router below, which of the following regarding the description of this information is true?

28. The following is the BGP information output by a router. Which of the following rearding the description of this information is wrong?

29. The following is a router BGP output information, which of the following regarding the description of this information is false?

30. As shown in the figure, in the network running the RSTP protocol, the original root port of SWC fails and the port is in Down state. At this time, which of the following processes will the network go through to achieve stability?

31. OpenSent

32. As shown in the figure, the stateful inspection firewall will forward the second TCP three-way handshake message in the figure.

33. As shown in the figure, the stateful inspection firewall will forward the message because the message conforms to the firewall session state.

34. The router receives two BGP routes with the following attributes, please select the best route according to the BGP routing rules:

35. Regarding the special area of OSPF, which of the following description of is incorrect?

36. Regarding the description of OSPF neighbor relationship and adjacency relationship, which of the following statement is true?

37. Which of the following does not belong to the IGP?

38. What are the key components of building an IP wide area bearer network solution with Huawei NetEngine smart router?

39. In the VRRP hot backup, which of the following statement regarding the AC used to establish the address of the CAPWAP tunnel is true?

40. The default priority of VRRP devices in the backup group is:

41. The advantages of address translation technology do not include:

42. The role of the switch in the stacking system not include:

43. Which of the following tools is used to filter routing information and set routing attributes for the routing information that passes the filter?

44. Regarding the description of the routing tool, which of the following statement is incorrect?

45. Will setting the community attribute of the route through the routing policy affect the route selection?

46. Regarding the description of the summary automatic command and BGP aggregation, which of the following is incorrect?

47. There is a message in the BGP protocol that is periodically sent between BGP neighbors to maintain the neighbor relationship. This kind of news is:

48. In the case of without enabling BGP path load sharing, which BGP routes will be sent to BGP neighbors?

49. Using the authentication in BGP configuration, how to configure?

50. About the description of the Keepalive message of BGP, which of the following is incorrect?

51. In the IS-IS broadcast network, which multicast MAC address does the Level-1 router use as the destination address for sending IIH?

52. Which of the following statement about OSPF protocol packets is incorrect?

53. Regarding the ABR in OSPF, which of the following description is wrong?

54. Which of the following description of the OSPF default route is false?

55. Regarding the LSA header information on the AS-External-LSA of OSPF, which of the following statement is incorrect?

56. Which function does the switch control plane not include?

57. By default, for routers running IS-IS in a broadcast network, how many seconds does the DIS send CSNP packets?

58. When OSPF runs in a broadcast network, DR and BDR need to be elected.

Then in which of the following statements will DR and BDR elections be conducted?

59. Regarding the OSPF protocol packets, which of the following statement is false?

60. The MAC address of a certain PC is 5489-98FB-65D8. The administrator wants this PC to obtain the specified IP address 192.168.1.11/24 from the DHCP server. So the command configured by the administrator should be:

61. Which of the following is not the main function of NDP?

62. The configuration command for VRRP and BFD linkage is:

63. Regarding the description of the security level of the firewall security zone, which of the following is false?

64. The command to configure VRRP preemption delay is:

65. Compared with routers and switchies, what are the unique modules for firewall forwarding?

66. About the description of Network Address Port Translation (NAPT) and the Translate only network addresses (No-PAT), which of the following statement is true?

67. When the IPv6 address of the host is configured by using stateless address configuration, and other parameters except the address are obtained through DHCPv6, how to set the M bit and 0 bit in the RA message?

68. Regarding the description of the Hello message in PIM-SM, which of the following is false?

69. The RSTP protocol provides a variety of protection functions. For example, when the border port is configured to be protected, the processing method after the border port receives the BPDU message is:

70. Among the commonly used routing policy tools for BGP, what can be used to match a specific AS_path?

71. The following description about BGP, OSPF, ISIS, which the description is true?

72. Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?

73. When configuring the BGP, if such a warning is generated: " BGPI6ESTABLISHED:OID[oid] The BGP FSM enters the Establishedstate”, which of the following description is true?

74. Regarding BGP reliable routing updates, which of the following description of is ture?

75. The Link ID of the Type 3 of LSA is:

76. Which of the following strategies or tools cannot be applied to OSPF?

77. There are many employees in an enterprise building, and they usually start to access the company's WLAN network in the lobby when they go to work. As each employee walks to their respective workstations, everyone's mobile terminal also roams to their respective network coverage areas by roaming.

In order to ensure that the IP address of each terminal is fixed as much as possible, what is the recommended approach?

78. Which of the following description about VRRP is incorrect?

79. Which of the following attacks is not a network layer attack?

80. The IP protocol number of the VRRP message is: