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Three Easy-to-Use Huawei H12-725_V4.0 Exam Questions Formats

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Huawei H12-725_V4.0 (HCIP-Security V4.0) Certification Exam is a professional-level certification offered by Huawei. HCIP-Security V4.0 certification exam is designed to test the candidates' knowledge and skills in the field of network security. H12-725_V4.0 Exam is intended for IT professionals who want to enhance their expertise in network security and gain recognition in the industry.

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Huawei HCIP-Security V4.0 Sample Questions (Q10-Q15):

NEW QUESTION # 10
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. ESP; tunnel mode
B. AH+ESP; transport mode
C. ESP; transport mode
D. AH; tunnel mode

Answer: A

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 # 11
In a Huawei network security environment, which of the following is a key advantage of using HWTACACS over RADIUS for device management authentication?
Options:

A. HWTACACS encrypts only passwords, while RADIUS encrypts the entire payload.
B. HWTACACS does not support accounting, while RADIUS does.
C. HWTACACS provides per-command authorization, allowing different privilege levels for different users.
D. HWTACACS operates over UDP, ensuring faster communication than RADIUS.

Answer: C

Explanation:
Understanding the Differences Between HWTACACS and RADIUS:
* HWTACACS(Huawei Terminal Access Controller Access-Control System) is aHuawei-enhanced version of TACACS+used forAAA (Authentication, Authorization, and Accounting).
* RADIUS (Remote Authentication Dial-In User Service)is also an AAA protocol but is mainly designed fornetwork access authentication, such asVPNs and wireless authentication.
Why is Option B Correct?
* HWTACACS supports per-command authorization, meaning administrators canassign different command privileges to different users.
* For example, ajunior network engineer may be allowed to view configurations but not modify them
, while asenior engineer has full access.
* RADIUS does not support granular command authorization, as it primarily controlsnetwork access rather than device management.

NEW QUESTION # 12
Sort the intrusion prevention steps in sequence based on the working mechanism of the firewall device.

Answer:

Explanation:

Explanation:
Intrusion Prevention Systems (IPS) in firewalls follow amulti-step processto detect and mitigate threats. The steps occur in a logical sequence:
1##Step 1: Identifies and Parses Application-Layer Protocols
* The firewall firstidentifies the protocol being used(e.g., HTTP, FTP, DNS, SMTP).
* Parsing the protocol helps the IPS engineunderstand how the data is structuredand what types of attacks might be embedded.
* This step is crucial for detectingprotocol-based attackslike SQL injection or cross-site scripting (XSS).
2##Step 2: Reassembles IP Fragments and TCP Flows
* Attackers oftensplit malicious payloads across multiple packetsto evade detection.
* The firewallreassembles fragmented packets and TCP flowsto reconstruct the full data stream.
* This step is critical for detectingevasion techniques such as fragmented attacks or out-of-order packet attacks.
3##Step 3: Performs Signature Matching
* Once the full data stream is reassembled, the IPScompares it against known attack signatures.
* Signature matching helps detect:
* Malware patterns(e.g., botnets, Trojans).
* Exploits targeting vulnerabilitiesin software and operating systems.
* Firewalls usepredefined signature databasesthat are regularly updated.
4##Step 4: Performs the Response Action Based on the IPS Profile
* If an attack is detected, the firewall takes anaction based on the IPS policy:
* Block the traffic(drop malicious packets).
* Alert the administrator(generate logs and alerts).
* Rate-limit traffic(slow down potential attack sources).
* Theresponse mechanism is customizablebased on security requirements.

NEW QUESTION # 13
Which of the following operations can be performed to harden the Windows operating system?(Select All that Apply)

A. Cancel default sharing.
B. Restrict the number of users.
C. Periodically check account permissions.
D. Change the default TTL value.

Answer: A,B,C

Explanation:
Comprehensive and Detailed Explanation:
* Windows system hardening improves security by reducing attack surfaces.
* Recommended security measures include:
* A. Periodically checking account permissions# Prevents unauthorized access.
* B. Canceling default sharing# Reduces exposure to remote attacks.
* C. Restricting the number of users# Limits access to essential personnel.
* Why is D incorrect?
* Changing the default TTL value does not directly enhance system security.
HCIP-Security References:
* Huawei HCIP-Security Guide # Windows Hardening Best Practices

NEW QUESTION # 14
Which of the following statements is false about Eth-Trunk?(Select All that Apply)

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

Answer: C

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 # 15
......

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