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

1. 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) Identify attacks by setting Trusted and Untrusted interfaces.
B) Check that the CHADDR field in the DHCP request message matches the source MAC in the header of the data frame.
C) Identify forged packets according to the DHCP Snooping binding table.
D) 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.

2. A firewall is associated with an Agile Controller. Which of the following statements is correct:
HRP A<NGFW A> display right-manager online-users
User name: lee
IP address: 10.1.6.3
Serverip: 192.168.1.2
Login time: 192.168.1.2
Login time: 10.14.11 2011/09/06
(Hour: Minute: Second Year/Month/Day)
--------------------------------------------
Role id Rolename
2
DefaultPermit
5 Deny_____1
225
Last
---------------------------------------------------------
HRP_A <NGFW_A> display right-manager role-info
All Role count: 8
Role ID ACL number Role name
-------------------------------------------------- -----------------------
Role 0 3099 default
Role 1 3100 DefaultDeny
Role 2 3101 DefaultPermit
Role 3 3102 Deny_____0
Role 4 3103 Permit___0
-------------------------------------------------- -----------------------
Role 5 3104 Deny_____1
Role 6 3105 Permit___1
Role 225 3354 Last
Advanced ACL 3099, 4 rules, not binding with vpn-instance
Ad's step is 1
rule 1001 permit ip destination 192.168.1.2 0 (0 times matched)
rule 1002 permit ip destination 192.168.1.3 0 (0 times matched)
rule 1003 permit ip destination 192.168.3.3 0 (0 times matched)
rule 1004 deny ip (0 times matched)
Advanced ACL 3100, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 deny ip (0 times matched)
Advanced ACL 3101, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 permit ip (0 times matched)
Advanced ACL 3104, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 deny ip destination 172.16.1.10 0 (0 times matched)
Advanced ACL 3105, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 permit ip destination 172.16.1.10 0 (0 times matched)
Advanced ACL 3354, 3 rules, not binding with vpn-instance
Acl's step is 1
rule 1 permit ip (0 times matched)
Advanced ACL 3104, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 deny ip destination 172.16.1.10 0 (0 times matched)
Advanced ACL 3105, 1 rule, not binding with vpn-instance
Ad's step is 1
rule 1 permit ip destination 172.16.1.10 0 (0 times matched)
Advanced ACL 3354, 3 rules, not binding with vpn-instance
Ad's step is 1
rule 1 permit ip destination 192.168.1.2 0 (0 times matched)
rule 2 permit ip destination 192.168.1.3 0 (0 times matched)
rule 3 permit ip destination 192.168.3.3 0 (0 times matched)

A) Agent client cannot access 192.168.1.2.
B) The administrator sets the default prohibition rules. In the "Control Mode" in the quarantine domain and the back domain, select "Only allow the resources in the controlled domain in the access list to prohibit access to others".
C) The linkage between the price firewall and the Agile Controller is unsuccessful.
D) Assuming that there is a server 10.1.1.1 in the domain after authentication, after the Agent client completes the security authentication, the firewall will allow it to pass.

3. When the dual-system hot backup network is used, according to this configuration, PC2 sends an ARP request to the Mac of IP10.100.30.8. Which of the following options is correct?
sysname NGFW_A
#
hrp enable
hrp interface GigabitEthernet 0/0/3
#
interface GigabitEthernet0/0/1
ip address 192.168.10.2 255.255.255.0
vrrp vrid 1 virtual-ip 192.168.10.1 active
#
interface GigabitEthernet0/0/2
ip address 10.100.30.2 255.255.255.0
vrrp vrid 2 virtual-ip 10.100.30.1 active
#
Nat address-group 1
section 0 10.100.30.8 10.100.30.9
#
nat-policy
rule name trust to untrust
source-zone trust
destination-zone untrust
source-address 192.2163.10.0 24
action nat address-group 1

A) NGFW_A responds to this ARP with VMAC
B) The MAC of the NGFW_B interface responds to this ARP
C) NGFW_B responds to this ARP with VMAC
D) The MAC of the NGFW_A interface responds to this ARP

4. USGA G0/0/2 (30.1.1.2) ----------------------------- (30.1.1.1) G0/0/2 USGB
A network adopts the above topology and establishes BFD with USGA and USGB, but it is found that the BFD session cannot be Up. The most probable cause is:
<USGA> display bfd session all
-------------------------------------------------- -------------------------------------------------- -------------
Local Remote Peer IP Address Interface Name State Type
-------------------------------------------------- -------------------------------------------------- ------------
60 20 30.1.1.1 GigabitEthernet0/0/2 Down Static
-------------------------------------------------- -------------------------------------------------- ------------
<USGB> display bfd session all
-------------------------------------------------- -------------------------------------------------- -------------
Local Remote Peer IP Address Interface Name State Type
-------------------------------------------------- -------------------------------------------------- ------------
60 20 30.1.1.2 GigabitEthernet0/0/2 Down Static
-------------------------------------------------- -------------------------------------------------- ------------

A) BFC session configuration not committed
B) The shutdown command is configured on one side of the BFC session
C) Identifiers at both ends of the BFC session do not correspond
D) BFD session with unbound outbound interface

5. In the TCP spoofing attack, in order to establish a fake TCP connection with the victim host, the attacker must obtain the key information in the TCP session through calculation or guessing:

A) Urgent Pointer responded by the victim host
B) Sequence Number responded by the victim host
C) Chechsum responded by the victim host
D) Acknowledgement Number responded by the victim host

Solutions: