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H12-721 PDF DEMO:
QUESTION NO: 1
In IPsec VPN with NAT traversal, you must use IKE aggressive mode.
A. TRUE
B. FALSE
Answer: B
QUESTION NO: 2
The IP-MAC address binding configuration is as follows:
[USG] firewall mac-binding 202.169.168.1 00e0-fc00-0100
When the data packets travel through the Huawei firewall device, and other strategies such as packet filtering, attack prevention are not considered, the following data ttravels hrough the firewall device? (Choose two answers)
A. Packet source IP: 202.169.168.1 Packet source MAC: FFFF-FFFF-FFFF
B. Packet source IP: 202.169.168.2 Packet source MAC: 00e0-fc00-0100
C. Packet source IP: 202.1.1.1 Packet source MAC: 00e0-fc11-1111
D. Packet source IP: 202.169.168.1 Packet source MAC: 00e0-fc00-0100
Answer: C,D
QUESTION NO: 3
In the attack shown below, a victim host packet captures the traffic. According to the information shown, what kind of attack is this?
A. SYN Flood
B. SYN-ACK Flood
C. ACK-Flood
D. Connection Flood
Answer: C
QUESTION NO: 4
With the Huawei abnormal flow cleaning solution, deployed at the scene of a bypass, drainage schemes can be used to have? (Choose three answers)
A. Dynamic routing drainage
B. Static routing strategy drainage
C. Static routing drainage
D. MPLS VPN cited
Answer: A,B,C
QUESTION NO: 5
Which of the following statements about IPsec and IKE following are correct? (Choose three answers)
A. With IPsec there are two ways to establish the security association, manual mode (manual) and
IKE auto-negotiation (Isakmp) mode.
B. IKE aggressive mode can be selected based on negotitations initiated by the tunnel endpoint IP address or ID, to find the corresponding authentication word and finalize negotiations.
C. The NAT traversal function is used to delete the IKE negotiation verification process for UDP port numbers, while achieving a VPN tunnel to discover the NAT gateway function. If a NAT gateway device is used, then the data transfer after the IPsec uses UDP encapsulation.
D. IKE security mechanisms include DH Diffie-Hellman key exchange and distribution; improve the security front (Perfect Forward Secrecy PFS), encryption, and SHA1 algorithms.
Answer: A,B,C
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Updated: May 28, 2022