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Huawei H12-811 Exam Questions
HCIA-Datacom V1.0 (Page 9 )

Updated On: 17-Feb-2026
Page 9 of 147
PDF with 872 Questions

If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?

  1. There is always a UDP header in the upper layer of each data frame
  2. The upper layer of a data frame must exist IP header
  3. There is always a TCP header in the upper layer of each data frame
  4. Each data frame must carry VLAN TAG

Answer(s): B



RADIUS is a common protocol to implement AAA.

  1. True
  2. False

Answer(s): A



After the administrator successfully logged in to the router through Te1net, he found that the router’s interface could not be configuredIP address. Then the possible reasons are ()

  1. The Telnet terminal software used by the administrator prohibits the corresponding operation
  2. SNMP parameter configuration fiveMistake
  3. Telnet user authentication mode configurationMistake
  4. Telnet user level configurationMistake

Answer(s): D



When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?

  1. DHCP
  2. DNS
  3. Broadcasting method
  4. Manually specified on AP

Answer(s): C



AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and business data forwarding.

  1. True
  2. False

Answer(s): B






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