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Huawei HCIE-Security (Huawei Certified Internetwork Expert-Security) Sample Questions:

1. On the USG stateful inspection firewall, if the administrator sets the security policy for data packets from Trust to Untrust to permit, and the security policy for data packets in the opposite direction to deny, the final result is:

A) Terminals in the Untrust zone cannot actively initiate connections to terminals in the Trust zone, and can only passively connect to connections initiated by users in the Trust zone.
B) Terminals in the Trust zone can actively initiate connections to terminals in the Untrust zone, and even the packets returned by Untrust can pass normally.
C) Terminals in the Trust zone can actively initiate connections to terminals in the Untrust zone, but the packets returned by Untrust cannot pass normally.
D) Terminals in the Untrust zone cannot actively initiate connections to terminals in the Trust zone, but the returned packets in the Trust zone can pass normally.

2. As shown in the figure, the corresponding defense methods are:

A) Fingerprint Learning Defense
B) Defense by TTL checking
C) Method defense through source authentication
D) Payload Check Defense
E) Authenticate the user through the associated TCP protocol

3. The correct description of the no-reverse parameter in the firewall NAT Server configuration command is:

A) Configure the nat server with the parameter no-reverse, the device only converts the public network address to the private network address, and cannot convert the private network address to the public network address.
B) Configure the nat server without the no-reverse parameter, the device only converts the public network address to the private network address, and cannot convert the private network address to the public network address.
C) Configure the nat server with the parameter no-reverse. When the public network user accesses the server, the firewall can convert the server's public network address into a private network address; when the server actively accesses the public network, the firewall can also convert the server's public network address. Convert the private network address to the public network address.
D) Configure nat server without the no-reverse parameter. When a public network user accesses the server, the firewall can convert the server's public network address into a private network address; when the server actively accesses the public network, the firewall can also convert the server's public network address. The private network address is converted into a public network address.

4. When the firewall runs GRE, both the physical port and the tunnel port need to be added to the security zone.

A) FALSE
B) TRUE

5. Regarding the firewall NAPT technology, the following description is incorrect:

A) When configuring NAPT on the firewall, the security policy should match the IP address after address translation.
B) NAPT can theoretically achieve 65535 private network addresses sharing a public network address to access the public network.
C) NAPT translates both the source IP address and the source port number.
D) NAPT is a technique for extending Layer 3 addresses with Layer 4 information.

Solutions: