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Huawei H12-731-ENU Exam Syllabus Topics:

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

1. The correct statement of the principle of virtual firewall technology is:

A) Each virtual firewall system can support TRUST, UNTRUST, DMZ, LOCAL and other security zones, with flexible interface division and allocation.
B) Different virtual firewalls have the same way-in-table, so address overlap is not supported on different virtual firewalls.
C) Independent allocation of virtual system resources, independent provision of security services, and support for multiple VPN instances.
D) Virtual firewall and root firewall cannot be accessed.

2. A customer uses multiple branch devices to connect with the USG_A device in the headquarters for IPsec connection, and uses point-to-multipoint IPsec and sub-policy to establish a VPN. Multiple branches have fixed IP addresses, most of the branches can communicate with the headquarters IPsec link normally, and the intranet (branch to headquarters) can communicate with each other, except that the intranet PC of one branch and the headquarters intranet can communicate with each other. can not communicate normally, but the IPsec VPN tunnel has been negotiated successfully.
What could be the reasons?

A) It may be negotiated using IKEv2 at one end and IKEv1 at the other end.
B) The headquarters does not have a backhaul route to the failed branch.
C) The IPsec proposal algorithms at both ends are inconsistent, so the packets cannot be decrypted.
D) ACL scope configuration error.

3. There are multiple real servers in an enterprise network that provide FTP services to the outside world, and the load balancing function is configured to ensure the load balancing of traffic flowing through the USG.
The administrator hopes that by detecting the real server status, the load ratio of each server is the same as the weight ratio. The following suitable configurations are:

A) # Configure the real server to join the negative balance group. [USG-slb] group test [USG-slb-group-test] metric roundrobin [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
B) # Configure the real server to join the negative balance group. [USG-slb] group test [USG-slb-group-test] metric srchash [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
C) # Configure the real server to join the negative balance group. [USG-slb] group test [USG-slb-group-test] metric least-connection [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] ] addrserver 3 [USG-slb-group-test] quit
D) # Configure the real server to join the negative balance group. [USG-slb] group test [USG-slb-group-test] metric weightrr [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit

4. The USG firewall is directly connected to other devices at Layer 3. During commissioning, it was found that the IP address of the peer directly connected to the firewall cannot be pinged, and it has been confirmed that there is no problem with the peer device. What are the possible reasons?

A) The packet filtering from the firewall local to the corresponding security domain is not enabled
B) Routing configuration error on firewall
C) The intra-domain packet filtering policy of the corresponding domain of the firewall is not enabled
D) The firewall interface is not added to the security domain

5. 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) The use of TCP proxy mode can be used in scenarios where the round-trip paths are inconsistent.
C) When the SYN packet rate reaches the alarm value alert-rate-number, the device can perform source authentication check on SYN packets.
D) 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.

Solutions: