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Huawei H12-725_V4.0: HCIP-Security V4.0 exam is a certification exam that is designed to test the knowledge of IT professionals in the field of security. H12-725_V4.0 exam is part of the Huawei Certified ICT Professional Security Certification program and is intended for individuals who are interested in becoming certified security professionals. H12-725_V4.0 Exam focuses on various security topics such as network security, firewall technology, VPN technology, and security management.

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Huawei HCIP-Security V4.0 Sample Questions (Q41-Q46):

NEW QUESTION # 41
Which of the following statements is false about Eth-Trunk?(Select All that Apply)

A. The total bandwidth of an Eth-Trunk interface is the sum of the bandwidths of all its member interfaces.
This increases the interface bandwidth.
B. The manual mode can detect not only link disconnections but also link faults and incorrect connections.
C. The physical interfaces that are bundled into an Eth-Trunk interface are its member interfaces.
D. If a member interface of the Eth-Trunk interface is Down, traffic can still be transmitted through other member interfaces.

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
* Eth-Trunk (Ethernet Trunking)aggregates multiplephysical linksinto asingle logical interface, improvingbandwidth and redundancy.
* Manual mode limitations:
* Manual mode does NOT detect link faults or incorrect connections-it only detects link disconnections.
* To detectlink faults,LACP (Link Aggregation Control Protocol) modeis required.
* Why is D false?
* Manual mode canonly detect link disconnectionsbutnot link faults or incorrect connections.
HCIP-Security References:
* Huawei HCIP-Security Guide # Eth-Trunk Configuration
* Huawei USG6000 Firewalls Link Aggregation Guide

NEW QUESTION # 42
Which of the following statements is false about hot standby networking?(Select All that Apply)

A. In load-sharing mode, both devices process traffic. Therefore, this mode supports more peak traffic than the active/standby or mirroring mode.
B. In active/standby mode, configuration commands and status information are backed up from the active device to the standby device.
C. In load-sharing mode, both firewalls are active. Therefore, if both firewalls synchronize commands to each other, commands may be overwritten or conflict with each other.
D. In load-sharing mode, configuration commands can be backed up only from the configuration standby device to the configuration active device.

Answer: C,D

Explanation:
Comprehensive and Detailed Explanation:
* Hot standby networkingensureshigh availabilityby keeping a backup firewall ready in case of failure.
* Two main modes exist:
* Active/Standby Mode# One firewall is active, and the other remains standby. Configuration is synchronized fromactive # standby.
* Load-Sharing Mode# Both firewallsprocess traffic simultaneously, improving performance.
* Why is A false?
* InLoad-Sharing Mode, both firewalls are active, butconfiguration synchronization does not cause conflicts. Instead, the firewalls synchronize states properly.
* Why is D false?
* InLoad-Sharing Mode, configuration is always synchronizedfrom the active firewall to the standby firewall, not the other way around.
HCIP-Security References:
* Huawei HCIP-Security Guide # Hot Standby Configuration
* Huawei USG Firewalls High Availability Guide

NEW QUESTION # 43
In the figure, enterprise A and enterprise B need to communicate securely, and an IPsec tunnel is established between firewall A and firewall B. Which of the following security protocols and encapsulation modes can meet the requirements of this scenario?

A. AH; tunnel mode
B. ESP; tunnel mode
C. ESP; transport mode
D. AH+ESP; transport mode

Answer: B

NEW QUESTION # 44
In the figure, FW_A connects to FW_B through two links working in active/standby mode. When the active link of FW_A is faulty, the old IPsec tunnel 1 needs to be torn down, and IPsec tunnel 2 needs to be established with FW_B through the standby link to route traffic. In this case, configuring the IKE _____ detection mechanism on FW_A helps detect link faults and tear down the IPsec tunnel.(Enter lowercase letters.)

Answer:

Explanation:
dpd
Explanation:
* What is IKE DPD (Dead Peer Detection)?
* IKE DPD (Dead Peer Detection)is a mechanism used inIPsec VPNsto check if a remote VPN peer is still reachable.
* It allows the firewall to detectlink failuresandautomatically tear down and re-establish IPsec tunnelswhen necessary.
* Why is DPD required in this scenario?
* The network uses an active/standby link setup:
* IPsec Tunnel 1 (Active) # Uses Link 1 (GE0/0/1).
* IPsec Tunnel 2 (Standby) # Uses Link 2 (GE0/0/2).
* IfLink 1 fails, the firewall must detect the failure andtear down IPsec Tunnel 1before establishingIPsec Tunnel 2 over Link 2.
* DPD detects unreachable peersand triggers a failover.
* How does IKE DPD work?
* DPD periodically sends probes (HELLO messages) to the remote VPN peer.
* If no response is received within a timeout period, the firewall assumes the peer is down.
* Thefirewall deletes the IPsec tunnel and switches to the backup link.
* Why is the answer "dpd" (lowercase)?
* The questionexplicitly asks for lowercase letters.
* "dpd" (Dead Peer Detection) is the correct technical term in Huawei firewalls and networking standards.
HCIP-Security References:
* Huawei HCIP-Security Guide# IPsec VPN High Availability & DPD
* Huawei USG Series Firewall Configuration Guide# IKE Dead Peer Detection (DPD)

NEW QUESTION # 45
In the figure, enterprise A and enterprise B need to communicate securely, and an IPsec tunnel is established between firewall A and firewall B. Which of the following security protocols and encapsulation modes can meet the requirements of this scenario?

A. AH; tunnel mode
B. ESP; tunnel mode
C. ESP; transport mode
D. AH+ESP; transport mode

Answer: B

Explanation:
1##Understanding the Scenario:
* Enterprise A and Enterprise B communicate over the Internet through an IPsec tunnel.
* Firewall A and Firewall B establish the tunnelto secure traffic between the enterprises.
* The network includes aSource NAT device, meaning IP headers may be modified.
* The goal is to ensure confidentiality, integrity, and authentication of data transmission.
2##Why ESP (Encapsulating Security Payload)?
* ESP (Encapsulating Security Payload)provides:
* Encryption (Confidentiality)# Protects data from eavesdropping.
* Integrity & Authentication# Ensures data is not modified.
* NAT Traversal Support# Works through NAT devices, unlike AH (Authentication Header).
* ESP is the preferred choice for VPN tunnels over the public Internet.
3##Why Tunnel Mode?
* Tunnel Mode encapsulates the entire original IP packet, including headers and payload,adding a new IP header.
* Advantages of Tunnel Mode:
* Protects both the data and the original IP addresses(important for communication over untrusted networks).
* Used in site-to-site VPNswhere private network addresses need to be hidden.
HCIP-Security References:
* Huawei HCIP-Security Guide# IPsec VPN Fundamentals
* Huawei USG Series Firewall Configuration Guide# IPsec ESP vs. AH
* RFC 4301 (Security Architecture for the Internet Protocol)# ESP and Tunnel Mode Usage

NEW QUESTION # 46
......

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