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Huawei H12-731-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Perimeter Security Technologies | - VPN technologies (IPSec / SSL VPN) - Firewall technologies and deployment |
| Secure Network Access Control | - 802.1X authentication - AAA and RADIUS systems |
| Network Defense and Intrusion Prevention | - Anti-DDoS technologies - IDS/IPS systems |
| Network Security Fundamentals | - Common attack types and defense mechanisms - Security principles and models |
| Security Operations and Maintenance | - Security policies and logs - Security monitoring and incident response |
Huawei HCIE-Security (Huawei Certified Internetwork Expert-Security) Sample Questions:
1. The firewall works in dual-system hot backup in active-standby mode. The intranet server provides web services, and the external network users often experience slow or inaccessible access when accessing. Intranet users can access normally.
What could be the reasons?
A) The backup channel is faulty, causing some session backups to fail.
B) The business round-trip path may be inconsistent, and fast session backup is not enabled.
C) The tcp-mss value is not set correctly.
D) Ospf Cost Adjustment not enabled
2. What protocols and ports need to be opened when the firewall uses the IPsec function?
A) UDP packets with source ports 500 and 4500.
B) IP packets whose protocols are AH and ESP.
C) UDP packet with destination port 1701.
D) UDP packets with destination ports 500 and 4500.
3. Use NGFW for SSL VPN connection, use certificate authentication, certificate can be selected, but after clicking login, you cannot log in to the resource page. After using debug check on NGFW, it prompts that the certificate is wrong.
<NGFW>debugging ssl error
<NGFW>terminal debugging
<NGFW>terminal monitor
*0.10012266 USG2130 SSL/7/error:
SSL 3.0, Alert, write, fatal bad certificate
But check that the certificate is complete and the contents of the certificate are correct.
What are the possible reasons for this certificate validation error?
A) A browser that does not support SSL3.0 is used.
B) The certificate is within the validity period, but the system clock is wrong, and the system clock is not within the validity period.
C) When the certificate expires, the system clock is not the current time, but is configured within the certificate's validity period.
D) The system clock is correct, but the certificate has expired.
4. In the L2TP Over IPsec scenario, the central node uses the IPsec template, how to configure the IPsec Security ACL on the LNS at this time?
A) rule permit tcp destination-port eq 1701
B) rule permit udp destination-port eq 1701
C) rule permit udp source-port eq 1701
D) rule permit tcp source-port eq 1701
5. For the networking shown in the figure, one end of the IPsec tunnel uses two devices for dual-system hot backup. When the master-slave switchover occurs, which of the following descriptions is correct?
A) The Keepalive mechanism consumes less CPU resources than the DPD mechanism.
B) Configure the dpd mechanism on USG_A, USG_B, and USG_C to increase the reliability of IPsec dual-system hot backup.
C) The IPsec tunnel does not require renegotiation.
D) Packets from USG_C to HQ will trigger renegotiation, and services will not be affected.
Solutions:
| Question # 1 Answer: A,B | Question # 2 Answer: B,D | Question # 3 Answer: B,D | Question # 4 Answer: C | Question # 5 Answer: B,C |

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