H12-721-ENU Questions And Answers


Exam Name: HCIP-Security-CISN(Huawei Certified ICT Professional - Constructing Infrastructure of Security Network)

Updated: 2022-06-25

Q & A: 342

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Question No : 1

Analyze on the firewall according to the following information

Which of the following answer is correct? (Choose 3 Answers)
A. The first packet of this data flow enters from the Trust zone interface and is sent out from the Untrust zone interface
B. This data flow has been NAT conversion
C. Use NAPT conversion technology
D. The firewall has enabled virtual firewall function
Answer: ABC

Question No : 2

SSL works in the application layer and encrypts for specific applications, but which layer the IPsec works in and provides the transparent encryption protection for the layer and above?
A. Data link layer
B. Network layer
C. Transport layer
D. Presentation layer
Answer: B

Question No : 3

IPsec VPN at both ends of the firewall can not establish successfully, what are the possible reasons? (Choose 3 Answers)
A. The device does not have a route to the peer intranet.
B. The ACL configuration which quoted by the security policy configured on the both ends of the gateway erros.
C. The IPsec security proposal configured on the two ends of the gateway is not consistent.
D. DPD is not configured at both ends.
Answer: ABC

Question No : 4

What are the possible causes of the failure when the user logs into the virtual gateway Web page, the message prompts "Can not display the page"? (Choose 2 Answers)
A. User PC and virtual gateway routes are unreachable.
B. The IP address of the virtual gateway has been changed.
C. Using a shared virtual gateway
D. The client browser sets up the proxy server.
Answer: AB

Question No : 5

The main method of Defense cache server DNS Request Flood is to use the DNS source authentication.
Answer: A

Question No : 6

According to the daul hot standby network diagram, the following are the descriptions about the daul hot standby preemption function, which are correct? (Select 3 Answers)

A. VRRP backup group itself has preemption function. In the figure, when USG_A fails and is restored, USG_A will use the preemption function to back into master state.
B. The preemption function of the VGMP management group is similar to the VRRP backup group. When the faulty backup group in the management group recovers, the priority of the management group is restored.
C. By default, the preemption delay is 0 and never preempts.
D. When the VRRP backup group is added to the VGMP management group, the original preemption function on the backup group will be invalid. The preemption takes action or not must be determined by the VGMP management group.
Answer: ABD

Question No : 7

In the solution of Huawei abnormal flow cleaning, in the scene of bypass deployment, which drainage program can be used? (Choose 3 Answers)
A. Dynamic routing drainage
B. Static policy routing drainage
C. Static routing drainage
Answer: ABC

Question No : 8

About the IKE Master Mode and Aggressive Mode, which of the following statement is correct?
A. All the negotiation packets in the first stage of the aggressive mode are encrypted
B. All the negotiation packets in the first phase of the master mode are encrypted
C. The aggressive mode uses the DH algorithm
D. Regardless of the success of the negotiation, will enter the fast mode
Answer: C

Question No : 9

Which of the following is the disadvantage of L2TP VPN?
A. Working on the two-layer can not be routed
B. You must use L2TP over IPsec to use
C. No authentication function
D. No encryption function
Answer: D

Question No : 10

Access to the headquarters server from the branch computer through the IPsec VPN, at this moment, the IPSEC tunnel can be established normally but business is blocked up, what are the possible reasons? (Select 3 Answers)
A. The packet is fragmented and the fragmented packet is discarded on the link.
B. There is load sharing or dual-link, may be inconsistent path back and forth.
C. Routing shocks.
D. The DPD detection parameters are inconsistent at both ends.
Answer: ABC

Question No : 11

In an Eth-Trunk interface, traffic load balancing can be achieved by configuring different weights on each member link.
Answer: A

Question No : 12

Huawei Secoway VPN client initializes the L2TP connection. The L2TP packet source port is port 1701 and the destination port is port 1701.
Answer: A

Question No : 13

When the user's SSL VPN has been authenticated successfully, the user can not access the Web-link resource, view the information through the Web server as follows:

According to the above information, which of the following statement is correct?
A. Intranet server does not open Web service
B. Virtual gateway policy configuration error
C. The connection between the virtual gateway and the intranet server is not normal
D. The routing of virtual gateway and intranet server is unreachable
Answer: A

Question No : 14

IP-link sends a probe packet to the specified IP address. By default, after the three failures detection, the link to the IP address is considered to be faulty.
Answer: A

Question No : 15

DHCP snooping function needs to maintain the binding table, what contents of the binding table are included? (Select 3 Answers)
B. Vlan
C. Interface
D. DHCP Server µÄ IP
Answer: ABC
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18 Oct, 2018

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20 Jun, 2018

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