Free H12-711_V4.0 Exam Braindumps
HCIA-Security V4.0 Questions 21–25 (page: 6)

Updated On: 10-Feb-2026

The RADIUS protocol specifies how to pass user information, billing information, authentication and billing results between the NAS and the RADIUS server, and the RADIUS server is responsible for receiving the user's connection request, completing the authentication, and returning the result to the NAS.

  1. TRUE
  2. FALSE

Answer(s): A



The following description of IDS, which items are correct The IDS cannot be linked to the firewall.

  1. Mouth IDS is a fine-grained detection device, through which the live network can be monitored more accurately.
  2. The IDS can be upgraded flexibly and in a timely manner, and the strategic configuration operation is convenient and flexible.
  3. With IDS, system administrators can capture traffic from critical nodes and do intelligent analysis to find anomalous and suspicious network behavior and report it to administrators.

Answer(s): A,B,C



Which of the following characteristics does a denial-of-service attack include?

  1. Unauthorized tampering of the mouth
  2. Unauthorized access to the mouth
  3. Unauthorized activation of the mouth
  4. Unauthorized destruction of the mouth

Answer(s): A,B,C,D



Which of the following is not an encryption algorithm in a VPN?

  1. The RIP
  2. AES
  3. 3DES
  4. DES

Answer(s): A



The following description of the intrusion fire protection system IPS, which is correct?

  1. The port IPS can be concatenated at the network boundary.
  2. The IPS cannot prevent intrusion from occurring in real time.
  3. The port IPS can be attached to the switch and port mirrored through the switch.
  4. Oral IPS has the ability to customize intrusion prevention rules.

Answer(s): A,C,D



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