Huawei H12-731-ENU real exam prep : HCIE-Security (Huawei Certified Internetwork Expert-Security)

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Huawei H12-731-ENU Exam Syllabus Topics:

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

1. The correct order of URL filtering processing flow is:
① The NGFW matches the URL information with the blacklist.
② The NGFW matches the URL information with the whitelist.
③ NGFW matches URL information with custom categories.
④ Start remote server classification query.
⑤ NGFW matches URL information with predefined categories in the local cache.

A) ①②③④⑤
B) ②①③⑤④
C) ①②③⑤④
D) ④③⑤①②

2. 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

3. Regarding the firewall IP-Link feature, the following description is incorrect:

A) The ICMP detection method can be used to detect the reliability of chromium paths across network segments.
B) The firewall continuously sends ICMP packets to the specified destination address, and if no ICMP echo reply is received for 3 seconds (default), the link is considered to be faulty.
C) ARP detection mode only supports detection of direct links.
D) The firewall continuously sends ARP request packets to the target network segment, and when it receives ARP response packets, it considers the link to be normal.

4. Due to the network upgrade of the new USG_A and USG_B software versions, how to upgrade without affecting services:
USG_A is Active device, USG B is Standby device
① Log in to USG_B through Telnet or SSH. The operations are as follows:
[USG-B] hrp enable
② Log in to USG_A through Telnet or SSH. The operations are as follows:
HRP_M [USG_A] undo hrp enable
③ Execute the undo hrp enable command on USG_B, then upgrade the software version of USG_B, and restart the USG_B device.
④ Upgrade the software version of USG_A and restart the USG_A device.
⑤ Test whether the USG_B service is normal.

A) ②③①④⑤
B) ③②④①⑤
C) ③②①⑤④
D) ①⑤③②④

5. Which of the following attacks is a network layer attack?

A) Constructs a packet with abnormal TCP flag bit, causing the host to process abnormally.
B) Construct a packet with an incorrect IP fragment flag bit, causing the host to process exceptions.
C) Constructing a large number of SYN packets, leading to exhaustion of host resources.
D) A packet with an incorrect TTL value is constructed, causing the device to process abnormally.

Solutions: