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Huawei H12-731-ENU Exam Syllabus Topics:

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

1. When a corporate intranet user accesses the Internet through the USG firewall, a URL has been added to the blacklist, but the user can still access it. What are the possible reasons for the failure of the URL filtering function?

A) URL remote query function is not enabled
B) No URL filtering profile submitted
C) Remote URL list not updated
D) No URL filtering policy applied in the corresponding inter-domain direction

2. A Web Server deployed in the DMZ area of an enterprise has an intranet IP address of 10.1.1.3 and a port of 8080. The public network address announced to the outside world is 1.1.1.2, and the external port number is 80.
Configure the following commands on the firewall:
[USG6600] security-policy
[[USG6600-policy-security] rule name untrust_to_mz
[USG6600-policy-security-rule-untrust_to_mz] source-zone untrust
[USG6600-policy-security-rule-untrust_to_mz] destination-zone dmz
[USG6600-policy-security-rule-untrust_to_mz] destination-address 1.1.1.2 32
[USG6600-policy-security-rule-untrust_to_mz] service http
[USG6600-policy-security-rule-untrust_to_mz] action permit
[USG6600] nat server webserver protocol tcp global 1.1.1.2 www inside 10.1.1.3 8080
The external network PC cannot access the Web Server of 10.1.1.3 within the enterprise. Please analyze the most likely reasons for this:

A) Firewall should be configured as nat server webserver protocol tcp global 1.1.1.2 80 inside 10.1.1.3 8080
B) The firewall does not open the default packet filtering policy from the untmut zone to the dmz zone
C) Firewall untrust to DMZ zone security policy should be configured as service 8080
D) Firewall untrust to DMZ zone security policy should be configured as destination-address 10.1.1.3 32

3. Which of the following attacks is a network layer attack?

A) Constructing a large number of SYN packets, leading to exhaustion of host resources.
B) Construct a packet with an incorrect IP fragment flag bit, causing the host to process exceptions.
C) A packet with an incorrect TTL value is constructed, causing the device to process abnormally.
D) Constructs a packet with abnormal TCP flag bit, causing the host to process abnormally.

4. Mobile employees access the headquarters through an L2TP over IPsec tunnel. The correct statement about planning and deployment is:

A) L2TP generally uses NAS-Initialized mode.
B) Since IKE V1 cannot assign addresses to remote users, address assignment must be achieved through L2TP.
C) The security ACL of the USG gateway at the headquarters should be [USG] acl 3000 [USG-acl-adv-3000] rule permit udp source-port eq 1701
D) The NAT traversal function cannot be used.

5. Which of the following statements is true about the life cycle of an IPsec tunnel:

A) IPsec SA lifetime can be calculated in traffic.
B) The lifecycle configuration of both ends must be the same.
C) The soft timeout is the expiration time of the SA life cycle, and the hard timeout is the time to start negotiating a new SA before the expiration of the life cycle.
D) The IPsec tunnel will renegotiate a new tunnel when it reaches its lifetime.

Solutions: