Free Access Huawei.H12-711_V4.0.v2026-10-09.q153 Practice Test (Page 12)

Question 51

Regarding NAT address translation, which of the following statements is incorrect?

A.Address translation can provide FTP, WWW, Telnet and other services within the LAN according to user needs.

B.For some non-TCP, UDP protocols (such as ICMP, PPTP), NAT conversion cannot be performed

C.Some application layer protocols carry IP address information in the data. When performing NAT on them, the IP address information in the upper layer data must be modified.

D.Configure a NAT address pool in source NAT technology. You can configure only one IP address in the address pool.

Question 52

Triplet NAT allows external devices to actively access the internal PC through the translated address and port. The firewall allows such access packets to pass even if no corresponding security policy is configured.

A.True

B.False

Question 53

Which of the following descriptions of L2TP VPN features are correct? (Multiple Choice)

A.L2TP supports remote access

B.L2TP tunnels can be combined with IPsec to make data transmitted through L2TP more difficult to attack.

C.The L2TP protocol supports backup LNS. When a primary LNS is unreachable, the LAC can re- establish a connection with the backup LNS, increasing the reliability and fault tolerance of VPN services.

D.Only one session can be carried in an L2TP tunnel

Question 54

Regarding the description of security policy actions and security configuration files, which of the following options are correct? (Multiple Choice)

A.The security profile must be applied under the security policy whose action is Allow to take effect.

B.If the security policy action is "Allow", the traffic will not match the security profile.

C.The security profile does not need to be applied to the security policy whose action is allow to take effect.

D.Prohibit If the action of the security policy is "Prohibit", the device will discard this traffic and no subsequent content security inspection will be performed.

Question 55

The trigger authentication method for firewall access user authentication does not include which of the following? ( )[Multiple choice]*

A.L2TP VPN

B.IPSec VPN

C.MPLS VPN

D.SSL VPN

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Question 51

Question 52

Question 53

Question 54

Question 55

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