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

1. As shown in the figure below, a company uses the USG6600 firewall as the egress. The company has two egresses. Carrier A and carrier B share the egress load. When an engineer deploys the firewall, two egresses are added to the untrust zone at the same time. The user has joined the trust zone and made source NAT mapping. After the deployment, it is found that some users have normal access to the Internet, while some users have very slow access to the Internet, and even sometimes cannot access the Internet.
[USG] display firewall session table verbose
http VPN: public --> public
Zone: trust --> untrust TTL: 00:00:10 Left: 00:00:08
Interface: GigabitEthernet0/0/0 Nexthop: 41.134.5.49 MAC: F0-DE-F1-69-26-91
<--packets: 9 bytes: 364 -->packets: 9 bytes: 364
10.16.1.20:5246 [41.134.5.52:5246] --> 16.8.3.8:80
http VPN: public --> public
Zone: trust --> untrust TTL: 00:10:00 Left: 00:09:59
Interface: GigabitEthernet0/0/1 Nexthop: 41.160.30.65 MAC: 00-21-97-cf-22-38
<--packets: 4 bytes: 238 -->packets: 14 bytes: 1640
10.16.1.122:3745 [41.134.5.52:3745] --> 2.2.2.2:80
[USG] display ip routing-table
20:56:07 2012/09/30
Route Flags: R - relay, D - download to fib
Routing Tables: Public
Destinations: 5 Routes: 5
Destination/Mask Proto Pre Cost Flags NextHop
0.0.0.0/0
Static 60
0
RD 41.134.5.49
0.0.0.0/0
Static
60
0
RD 41.160.30.65
10.16.1.1/24
Direct
0
0
D 127.0.0.1
127.0.0.0/8
Direct
0
0D 127.0.0.1
127.0.0.1/32
Direct
0
0
D 127.0.0.1
Based on the above information, please determine which of the following descriptions is correct?

A) The problem is caused by the user's PC.
B) The problem is caused by an equal-cost route.
C) It can be inferred that the source NAT configuration is correct.
D) The issue is related to carrier network stability.

2. A company has the following requirements:
The intranet users in the Trust area are on the 192.160.1.0/24 network segment and can access the Internet.
Which of the following configurations are correct:
traffic-policy
profile trust_tountrust
bandwidth downstream
maximum-bandwidth 400000
bandwidth downstream
guaranteed-bandwidth 50000
bandwidth ip-car downstream
maximum-bandwidth per-ip 2000
rule name trust_to_untrust
source-zone trust
destination-zone untrust
source-address 192.160.1.0 24
action qos profile
trust_to_untrust
#

A) This configuration will enable Trust intranet users to actively access the Internet outside the Internet and limit the total maximum download bandwidth to 400M.
B) This configuration will implement the download traffic in the direction from Trust to Untrust, and the maximum bandwidth per IP is 2M.
C) This configuration will achieve an overall upload bandwidth of 50M for intranet 192.168.1.0/24 users.
D) This configuration will implement speed limit for Internet addresses to actively access the intranet segment.

3. Which statement is true about certificate OCSP and CRL technology?

A) OCSP must frequently download the certificate list on the client side to keep the list updated.
B) OCSP can obtain the revocation status of the certificate in real time.
C) The CDP (CPL Distribution Points) information automatically obtained from the client certificate will not be stored in the configuration file, so when the USG restarts, the automatically obtained CDP information will not be saved.
D) The OCSP protocol obtains the revocation status of a certificate in an online manner to check whether the other party's certificate is revoked.
E) CRL is more time-sensitive than OCSP.

4. The attacker sends a TCMP request message to the broadcast address in the network with the attacker's IP address, so that all hosts in the network respond to the attacked ICMP response message, causing the victim's system to be busy and link congestion.
Why is this attack attacked?

A) IP Spoofing Attack
B) Land Attack
C) Fraggle Attack
D) Smurf Attack

5. According to the "GB/T 22240-2008 Information Security Technology Information System Security Level Protection Grading Guide", information systems are divided into five levels according to different levels, of which the protection capabilities of the five levels include:

A) Able to protect the system from malicious attacks from external small organizations, threat sources with few resources, general natural disasters, and other threats of considerable damage to important resources, and to discover important security Vulnerabilities and security incidents, after the system is compromised, can restore some functions for a period of time.
B) Resources that can protect the system from malicious attacks, severe natural disasters, and other threats of considerable severity from national-level, hostile organizations, and resource-rich threat sources under a unified security strategy Damage, can find security breaches and security incidents, after the system is damaged, can quickly restore all functions.
C) undefined
D) It can protect the system from malicious attacks from external organized groups, threat sources with relatively rich resources, serious natural disasters, and other major threats caused by relatively harmful threats under a unified security strategy. Resource damage can find security loopholes and security incidents, and after the system is damaged, most functions can be restored.

Solutions: