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

1. A server on the network has been responding very slowly recently. By looking at its running status, it is found that its CPU and memory usage ratio is high, but there is little or no data transmission in these TCP session connections.
For the following judgments about this problem phenomenon, please choose the best one:

A) The server is under SYN flood attack.
B) The server is under a TCP spoofing attack.
C) The server is under HTTP POST slow attack.
D) The server is under UDP flood attack.

2. The customer has a USG6000, and the remote PC wants to access the intranet through l2tp over ipsec, but the dial-up through the vpn client software is unsuccessful.
1 View ike sa during dialing:
<USG6000>dis ike sa
20:54:36 2013/06/19
current ike sa number: 2
-------------------------------------------------- -----------------------------
conn-id peer flag phase vpn
-------------------------------------------------- ------------------------------
40051 <unnamed> NONE v1:2 public
40050 2.2.2.2:12485 NONE v1:1 public
2 debugging ipsec error:
2013-06-19 20:54:21 USG2100 %%01IKE/4/WARNING (I): phase2: security acl mismatch.
*0.46319980 USG IKE/7/DEBUG: Get IPsec policy: get IPsec policy failed
*0.46319930 USG IKE/7/DEBUG: validate_prop: no IPsec policy found
*0.46319980 USG IKE/7/DEBUG: dropped message from 2.2.2.2 due to notification type
INVALID ID INFORMATION
Which statement about this problem is correct?

A) IKE Phase 1 policy for IPsec is misconfigured
B) ACL configuration error
C) No IPsec policy configured
D) HASH algorithm mismatch

3. The centralized networking scheme of three servers, as shown in the figure, the administrator found that only one of the three Agile Controllers in the resource pool was alive.
In this case, which of the following statements is correct?

A) At this point, you can try to restart the surviving Agile Controller, and repair the database server while restarting.
B) After the Agile Controller is started, each Agile Controller will immediately read the database and save it on the local hard disk in a cached manner. If all databases become unavailable due to a failure, the Agile Controller will continue to maintain the operation of the Agile Controller business with the cache saved at that time as the data source.
C) At this point, the escape channel on the firewall has been opened.
D) All three database servers cannot work normally, and only one of the three Agile Controllers in the resource pool is alive. In this case, all Agile Controller services are transferred to the surviving Agile Controller and can operate normally, and terminal identity authentication, access control, software distribution, patch installation, and asset management will not be affected.

4. In the abnormal traffic cleaning solution, automatic drainage means that the detection device reports abnormal traffic to the management center, and the management center automatically generates drainage tasks and automatically sends drainage tasks to the cleaning device.
Which specific drainage technology is generally required to achieve automatic drainage?

A) GRE Drainage
B) Policy routing diversion
C) Static route diversion
D) BGP drainage

5. A network needs to replace the dual-system hot-standby USG_A and USG_B due to the network upgrade of the new hardware USG. Without affecting the business, how to upgrade:
USG_A is the Active device, and USG_B is the Standby device.
Which of the following are the correct cutover steps?
① Connect the 5th line to the new USG_B in turn.
② Connect lines 1 , 2 , and 3 from the old USG_A to the new USG A in turn,
③ Power on the new USG_B and the new USG_A, and import the configuration.
④ Input undo hrp enable in USG_B, and cut off lines 4, 5, and 3 in turn.
⑤ Adjust the routing cost so that all traffic passes through USB_B.
⑥ Enter hrp enable for new USG_A and new USG_B to adjust routing cost to meet expectations.

A) ③ -> ④ -> ① -> ② -> ⑥ -> ⑤
B) ④ -> ① -> ⑤ -> ③ -> ② -> ⑥
C) ③ -> ④ -> ① -> ⑤ -> ② -> ⑥
D) ③ -> ④ -> ⑤ -> ① -> ② -> ⑥

Solutions: