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Huawei H12-721 Exam
HCNP-Security-CISN (Huawei Certified Network Professional - Constructing Infrastructure of Security Network) (Page 7 )

Updated On: 9-Feb-2026
Page 7 of 50
PDF with 245 Questions

Which of the following VPN protocols do not provide encryption? (Choose three answers)

  1. ESP
  2. AH
  3. L2TP
  4. GRE

Answer(s): B,C,D



When a Haiwei Secure VPN client connection initializes using L2TP, the L2TP packet uses a source port of 1710, and a destination port of 1710.

  1. TRUE
  2. FALSE

Answer(s): A



A user logs into the Virtual Gateway Web Page but receives a "can not display the webpage" message. What are possible causes for this? (Choose two answers)

  1. Virtual Gateway Router unreachable from user PC.
  2. Virtual Gateway IP address has been changed.
  3. Using a Shared Web Gateway
  4. Client browser set up a proxy server.

Answer(s): A,B



See the following firewall information:


Based on the output, which of the following answers are correct? (Choose three answers)

  1. The first packet interface to enter this data stream from the Trust zone, issuing from the Untrust zone interfaces
  2. This data stream has been NATed
  3. NAPT conversion technology is being used
  4. The virtual firewall feature is enabled firewall

Answer(s): A,B,C



In the Huawei abnormal flow cleaning solution, deployed at the scene of a bypass, the re-injection scheme can be used to have which of the following? (Choose three answers)

  1. routing strategy
  2. MPLS VPN tunnel mode
  3. routing
  4. Layer 2 VPN mode

Answer(s): A,B,C






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