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Huawei H12-731-ENU Exam Syllabus Topics:

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

1. For border network security, which of the following options are recommended for planning and deployment priorities?

A) IPS Real-Time Intrusion Prevention
B) Deploy VPN
C) Enable device virtualization
D) Enable DDoS function
E) Security Domain Isolation

2. Which of the following are the IKE encryption algorithms supported by the USG firewall?

A) des-cbc
B) RSA
C) aes-cbc 128 | 192 | 256
D) MD5

3. SYN Flood attacks can be prevented through TCP reverse source detection and TCP proxy technology. Comparing the two defense technologies, the correct statement is:

A) The defense technology of reverse source detection mechanism and TCP proxy mode must enable state detection mechanism.
B) Only when the rate of SYN packets reaches the alarm value alert-rate-number, the device can check the SYN packets by the TCP proxy.
C) When the SYN packet rate reaches the alarm value alert-rate-number, the device can perform source authentication check on SYN packets.
D) The use of TCP proxy mode can be used in scenarios where the round-trip paths are inconsistent.

4. 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) The firewall does not open the default packet filtering policy from the untmut zone to the dmz zone
B) Firewall should be configured as nat server webserver protocol tcp global 1.1.1.2 80 inside 10.1.1.3 8080
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

5. 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) When the certificate expires, the system clock is not the current time, but is configured within the certificate's validity period.
B) A browser that does not support SSL3.0 is used.
C) The system clock is correct, but the certificate has expired.
D) The certificate is within the validity period, but the system clock is wrong, and the system clock is not within the validity period.

Solutions: