HCIA-Datacom V1.0 H12-811-ENU Sample Questions (457 Q&As)

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Test Online HCIA-Datacom V1.0 H12-811-ENU Free Questions

1. When the Trunk port send the data frame, how to deal with?


2. How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?


3. In the network shown in the figure below, the output information of switch A is shown in the figure. Then in the MAC address table of switch A, which interface does the MAC address of host B correspond to?


4. All ports on the root-bridge switch are designated ports.


5. In the configuration BPDU sent by the switch, which bridge ID is unlikely to appear?


6. The number of VLANs that can be created using the commands "vlan batch 10 20" and "vlan batch 10 to 20" respectively is


7. By default, the root path cost of the root bridge in the STP protocol must be 0.


8. The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 every day, so which ACL rule needs to be bound to the traffic-filter outbound in the GO/0/1 interface allocation?


9. As shown in the figure below, the wrong statement is:

acl number 2000]

rule 5 deny source rule 10permit source200. #

interface GigabitEthernetO/0/1 traffic-filteroutbound acl2000


10. On Huawei equipment, if you use aaa authentication for authorization. When the remote server does not respond, you can authorize from the network equipment side.


11. What percentage does the DHCP client expect to send the lease renewal message for the first time?


12. After the administrator successfully logs in to the router through Telnet, and finds that the router’s interface IP address cannot be allocated, the possible reasons are ()


13. vty configuration as shown in the figure, the user authority level is set to level 3.

[Huawei]user-interface vty o 14

[Huawei-ul-vtyo-14]acl 200o inbound

[Huavei-ui-vtyo-14]user privilege level 3

[Huavei-ui-vtyo-14]authentication-node password Please configure the login password (maxim length 16):huawei


14. When AP and AC are on different Layer 3 networks, what method is recommended for AP to discover AC? (Multiple Choice)


15. What frequency does IEEE 802.11n support? (Multiple Choice)


16. In IPv4 networks, AP supports static and DHCP methods to obtain IP addresses.


17. What is the maximum negotiation rate supported by the IEEE 802.llg standard?


18. Which WLAN security policies support the link authentication method of Open mode? (Multiple Choice)


19. Which of the following SNMP packets are sent to the NMS by the Agent on the managed device?


20. Which field is added to the IPv6 packet header than the IPv4 packet header?


21. Which of the following statements about RA and RS in IPv6 are correct? (Multiple Choice)


22. Telnetlib is a module that implements the Telnet protocol that comes with Python.


23. The controller is the core component of SDN. The controller connects to the device through the southbound interface. Which of the following belong to the controller southbound protocol? (Multiple Choice)


24. In the campus network, network reliability can be improved by using link aggregation and stacking technology.


25. Using the command mkdir test in the VRP operating platform, the system will create a directory named test.


26. As shown in the figure, after the two routers are configured with OSPF, the administrator configures the <silent -interface s0/0/0> command on RTA, then the correct description of the following is (). (Multiple Choice)


27. Which of the following statements about the default route are correct? (Multiple Choice)


28. In the network shown in the figure below, the router receives a data packet with a destination IP address of from host A. After this data packet is forwarded by the router, what are the destination MAC and destination IP?


29. In the network shown in the figure below, assuming that all routers enable the OSPF protocol at the same time, which router is the BDR in this network?


30. There are multiple route entries to the same destination network in the routing table. These routes are called:


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