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Huawei HCIA-Security V4.0 Sample Questions:

1. When using passive mode to establish an FTP connection, the control channel uses port 20 and the data channel uses port 21.

A) True
B) False

2. When IKEv1 negotiation phase 1 uses the aggressive mode, only three messages are used. Which of the following is the function of message 3?

A) Exchanges Diffie-Hellman public values, necessary auxiliary information, and identity information.
B) Enables the responder to send identity information to the initiator for authentication.
C) Enables the responder to authenticate the initiator.
D) Negotiates IKE proposals.

3. The shard cache technology will wait for the arrival of the first shard packet, and then reassemble and decrypt all the packets, and then do subsequent processing by the device to ensure that the session can proceed normally in some application scenarios.

A) TRUE
B) FALSE

4. ____- The goal is to provide a rapid, composed and effective response in emergency situations, thereby enhancing the ability of the business to recover immediately from a disruptive event.

5. Which layer of data packets does a packet filtering firewall check?

A) Physical layer
B) Data link layer
C) Network layer
D) Application layer

Solutions: