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Huawei H12-731-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Security Principles | - Encryption, authentication and access control - Security models and concepts |
| Topic 2: Firewall and VPN Technologies | - Firewall architectures and policies - IPsec, SSL/TLS VPN implementation and troubleshooting |
| Topic 3: Security Management and Auditing | - Monitoring, auditing, and logging - Security policy formulation |
| Topic 4: Intrusion Detection & Prevention | - Threat detection and response - IDS/IPS systems and deployment |
Huawei HCIE-Security (Huawei Certified Internetwork Expert-Security) Sample Questions:
1. For some large IP data packets, in order to meet the requirements of the MTU (Maximum Transmission Unit) of the link layer, it needs to be fragmented and divided into several IP packets during the transmission process. In each IP header there is an offset field and a split flag (MF), where the offset field indicates the location of the fragment in the entire IP packet. If the attacker sets the offset field to an incorrect value after intercepting the IP data packet, the receiver cannot correctly combine the values of the offset field in the data packet after receiving the split data packets. In this way, the receiver will keep trying, and the operating system will crash due to resource exhaustion.
What is this attack method?
A) Teardrop Attack
B) TCP packet flag attack
C) WinNuke Attack
D) Ip Fragmented Packet Attack
2. When using the SSL VPN network extension function, the virtual IP address pool can be set to the same network segment as the IP address of the internal network interface of the device.
If the virtual IP address pool and the IP address of the intranet interface are not in the same network segment, manually configure the route to the address pool on the device, the outgoing interface is the intranet interface, and the next hop is the next hop of the intranet interface.
A) FALSE
B) TRUE
3. In the dual-system hot-standby network, the management group status on the two USGs is Active. What is the possible reason?
A) set a long preemption delay
B) The physical line of the heartbeat has failed
C) Backup channel interface not configured
D) Fast session backup not set
4. Which statement about MTU and PMTU is correct?
A) In an IP network, interfaces with different MTU values may be passed from the source address to the destination address, and the largest MTU value is the PMTU of the path.
B) PMTU detection is to obtain the PMTU value of the specified destination IPv4 address through detection, and then use the MTU value to send packets.
C) MTU (Maximum Transfer Unit) refers to the size of the largest data packet that can be transmitted in the network, in bytes.
D) The device will check the MTU on the inbound interface, and if the packet size exceeds the MTU value, it will be discarded.
5. The correct deployment recommendations for the abnormal traffic cleaning system are:
A) Side-by-side deployment or in-line deployment at the network egress.
B) The management server sends policies to network devices through SNMP protocol.
C) The management server uses Telnet to monitor network devices.
D) The testing center and cleaning center report logs to the collector.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B,C | Question # 5 Answer: A,D |






