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

1. IKE V1 - Phase negotiation is unsuccessful, what information needs to be checked, and what may be the reasons?

A) Check whether the physical link is normal.
B) View IKE debug information and UDP port 500 packet session statistics.
C) Check if the ACL configuration matches.
D) Check the IPsec proposal parameter configuration.

2. Which of the following IPsec modes and encapsulation methods can be used in the application scenarios of IPSEC NAT traversal?

A) IPSEC tunnel mode + AH encapsulation
B) IPSEC tunnel mode + ESP encapsulation
C) IPSEC transport mode + ESP encapsulation
D) IPSEC transport mode + AH encapsulation

3. The following configuration, when the physical state of interface G0/0/1 goes down, what will happen to the switch switch?
PC ----------------- (G0/0/1) FW (G0/0/2) ---------------- Switch
#
interface GigabitEthernet0/0/1
link-group 1
interface GigabitEthernet0/0/2
link-group 1
#

A) The ARP entry of the Switch interface address is immediately deleted.
B) The ARP entry of the Switch interface address will be aged out.
C) The firewall sends gratuitous ARP to the upstream device Switch to update the MAC address.
D) No change.

4. What aspects need to be checked for IPS (Intrusion Prevention) failures?

A) Whether to configure the IPS policy and apply it to the interzone.
B) Check whether the IPS blacklist is configured.
C) Whether the overlay signature is configured.
D) Whether to enable IPS global switch.
E) Whether the configured policy is submitted for compilation.

5. The DHCP Snooping function is used to prevent man-in-the-middle attacks and IP/MAC Spoofing attacks. The following attack principles and defense principles are correct:

A) Check that the CHADDR field in the DHCP request message matches the source MAC in the header of the data frame.
B) The attack principle is to pretend to be a legitimate DHCP client to apply for an IP address to the DHCP server, so that the legitimate DHCP client cannot obtain an IP address normally.
C) Identify attacks by setting Trusted and Untrusted interfaces.
D) Identify forged packets according to the DHCP Snooping binding table.

Solutions: