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Huawei H12-731-ENU Exam Syllabus Topics:

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

1. What aspects need to be checked for IPS (Intrusion Prevention) failures?

A) Whether the configured policy is submitted for compilation.
B) Check whether the IPS blacklist is configured.
C) Whether to configure the IPS policy and apply it to the interzone.
D) Whether the overlay signature is configured.
E) Whether to enable IPS global switch.

2. Regarding SACG's built-in ACL, which of the following statements are correct?

A) The administrator needs to customize the ACL (number 3100~3999) rules to control the permissions of different access users.
B) Since SACG needs to use ACL3099~3999 to receive the rules issued by the TSM system, it is necessary to ensure that these ACLs are not referenced by other functions before configuring TSM linkage.
C) The default ACL rule group number can be arbitrarily specified.
D) The default ACL rule group number can only be 3099.

3. In the USG, the planning UTM statement is correct

A) Before using UTM functions, the operation mode must be configured as UTM mode.
B) UTM will reassemble all fragments, and if the packet exceeds the cache range, the packet will be discarded.
C) It is recommended to regularly upgrade the signature database
D) When the USG cannot connect to the security service center, it can only be upgraded locally, and the signature database cannot be upgraded in a unified manner.

4. The WeChat voice (TCP) service of a site experienced a large delay, and the delay reached 3 seconds. As its egress NAT gateway, the firewall is configured with easy-ip nat mode (single egress), with link state detection disabled, TCP aging time of 30 seconds, small business traffic, and nearly 50,000 sessions to the voice server. Through the session, you can see a large number of packets of one-way access to the voice server.
What is the correct cause and solution for this failure?

A) The aging time of the TCF session is too short, and it takes time for the firewall to create a new session.
B) After the firewall session is aging, the port after the NAT of the new connection is inconsistent with the port used to establish the connection with the server, resulting in no response from the server. The client needs to re-establish the connection after timeout before sending data.
C) The solution could increase the TCP aging time to 600 seconds.
D) If there is no inconsistency between the round-trip paths on the link, you can enable the link status detection function, and the aging time is default, which can solve this problem.

5. USGA G0/0/2 (30.1.1.2) ----------------------------- (30.1.1.1) G0/0/2 USGB
A network adopts the above topology and establishes BFD with USGA and USGB, but it is found that the BFD session cannot be Up. The most probable cause is:
<USGA> display bfd session all
-------------------------------------------------- -------------------------------------------------- -------------
Local Remote Peer IP Address Interface Name State Type
-------------------------------------------------- -------------------------------------------------- ------------
60 20 30.1.1.1 GigabitEthernet0/0/2 Down Static
-------------------------------------------------- -------------------------------------------------- ------------
<USGB> display bfd session all
-------------------------------------------------- -------------------------------------------------- -------------
Local Remote Peer IP Address Interface Name State Type
-------------------------------------------------- -------------------------------------------------- ------------
60 20 30.1.1.2 GigabitEthernet0/0/2 Down Static
-------------------------------------------------- -------------------------------------------------- ------------

A) BFD session with unbound outbound interface
B) BFC session configuration not committed
C) Identifiers at both ends of the BFC session do not correspond
D) The shutdown command is configured on one side of the BFC session

Solutions: