The Best Huawei H12-725_V4.0 Study Guides and Dumps of 2026
Top Huawei H12-725_V4.0 Exam Audio Study Guide! Practice Questions Edition
The HCIP-Security V4.0 exam is a challenging certification test that assesses the candidate's ability to design, implement, and manage security solutions based on Huawei's technologies. It is a performance-based exam that comprises of multiple-choice questions, lab simulations, and troubleshooting scenarios. The HCIP-Security V4.0 certification test is a step towards the HCIE-Security certification, which is the highest level of certification in Huawei's security track.
NEW QUESTION # 34
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 # 35
Huawei iMaster NCE-Campus is a web-based centralized management and control system in the CloudCampus Solution. It supports user access management and can function as multiple types of authentication servers. Which of the following servers can iMaster NCE-Campus not be used as?
- A. Portal server
- B. AD server
- C. RADIUS server
- D. HWTACACS server
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* iMaster NCE-Campus functions as multiple authentication servers, including:
* Portal Server# For web-based authentication.
* RADIUS Server# For centralized authentication and policy enforcement.
* HWTACACS Server# For administrative command authorization.
* Why is B correct?
* iMaster NCE-Campus cannot function as an Active Directory (AD) server.It can integrate with an external AD server but does not replace it.
HCIP-Security References:
* Huawei HCIP-Security Guide # iMaster NCE-Campus Authentication
NEW QUESTION # 36
Trojan horses may disclose sensitive information of victims or even remotely manipulate victims' hosts, causing serious harm. Which of the following are the transmission modes of Trojan horses?(Select All that Apply)
- A. Attackers exploit vulnerabilities to break into hosts and install Trojan horses.
- B. A Trojan horse is bundled in a well-known tool program.
- C. A Trojan horse masquerades as a tool program to deceive users to run the program on a host. Once the program is run, the Trojan horse is automatically implanted into the host.
- D. The software downloaded from a third-party downloader carries Trojan horses.
Answer: A,B,C,D
Explanation:
Comprehensive and Detailed Explanation:
* A Trojan horse is a type of malware that disguises itself as a legitimate applicationto trick users into installing it.
* Transmission methods:
* A. Exploiting vulnerabilities# Attackers use system/software vulnerabilities to inject Trojans.
* B. Bundled in software# Trojans are included in cracked software or pirated applications.
* C. Downloaded from third-party sites# Users unknowingly install malware from untrusted sources.
* D. Masquerading as useful software# Fake tools trick users into installation.
* Why are all options correct?
* All listed methods are common ways Trojans spread.
HCIP-Security References:
* Huawei HCIP-Security Guide # Malware & Trojan Horse Attacks
NEW QUESTION # 37
Which of the following operations can be performed to harden the Windows operating system?(Select All that Apply)
- A. Change the default TTL value.
- B. Periodically check account permissions.
- C. Cancel default sharing.
- D. Restrict the number of users.
Answer: B,C,D
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 # 38
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 provides per-command authorization, allowing different privilege levels for different users.
- B. HWTACACS does not support accounting, while RADIUS does.
- C. HWTACACS operates over UDP, ensuring faster communication than RADIUS.
- D. HWTACACS encrypts only passwords, while RADIUS encrypts the entire payload.
Answer: A
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 # 39
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. AH+ESP; transport mode
- C. ESP; transport mode
- D. ESP; tunnel mode
Answer: D
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 # 40
Which of the following statements is false about hot standby networking?(Select All that Apply)
- A. In load-sharing mode, configuration commands can be backed up only from the configuration standby device to the configuration active device.
- B. In load-sharing mode, both devices process traffic. Therefore, this mode supports more peak traffic than the active/standby or mirroring mode.
- C. In active/standby mode, configuration commands and status information are backed up from the active device to the standby device.
- D. 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.
Answer: A,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 # 41
During deployment of Portal authentication, an authentication-free rule profile needs to be configured to ensure Portal pages can be opened on authentication terminals. To achieve this purpose, the following traffic needs to be permitted in the authentication-free rule profile: DNS resolution traffic of user terminals, traffic from user terminals for accessing Portal pages, and traffic from user terminals to the RADIUS server.
- A. FALSE
- B. TRUE
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* Authentication-free rules allow unauthenticated users to access essential services before login.
* The following traffic must be allowed before authentication:
* DNS traffic# Users need to resolve domain names for the Portal page.
* Portal page access# The captive portal must be reachable.
* RADIUS server communication# Users must authenticate via RADIUS.
* Why is this statement true?
* Without these authentication-free rules, users would be unable to reach thePortal login page.
HCIP-Security References:
* Huawei HCIP-Security Guide # Portal Authentication-Free Rules
NEW QUESTION # 42
Which of the following actions can be performed when the firewall identifies file anomalies?(Select All that Apply)
- A. Alarm
- B. Block
- C. Allow
- D. Delete attachment
Answer: A,B,D
Explanation:
Comprehensive and Detailed Explanation:
* Firewalls with advanced security features(such asIPS, Antivirus, and File Filtering) candetect and respond to file anomalies.
* Actions that can be taken when an anomaly is detected:
* A. Alarm# Generates a log entry and notifies the administrator.
* C. Block# Prevents the file from being transferred.
* D. Delete attachment# Removes malicious attachments from emails.
* Why is B incorrect?
* Allowing a detected malicious file is not a valid security response.
HCIP-Security References:
* Huawei HCIP-Security Guide # File Filtering & IPS Protection
NEW QUESTION # 43
Which of the following technologies does not belong to outbound intelligent uplink selection?
- A. PBR
- B. ISP-based route selection
- C. Global route selection policy
- D. Smart DNS
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Outbound intelligent uplink selectionenables optimal routing decisions based on network conditions.
* Smart DNS, Global Route Selection Policy, and ISP-Based Route Selectionare all part of intelligent uplink selection.
* Why is A incorrect?
* PBR is NOT an intelligent uplink selection technology; it applies static rules for traffic forwarding instead.
HCIP-Security References:
* Huawei HCIP-Security Guide # Intelligent Traffic Steering
NEW QUESTION # 44
Arrange the steps of the bandwidth management process on firewalls in the correct sequence.
Answer:
Explanation:
Explanation:
A screenshot of a computer screen AI-generated content may be incorrect.
HCIP-Security References:
* Huawei HCIP-Security Guide# Bandwidth Management & Traffic Control Policies
* Huawei QoS Configuration Guide# Traffic Classification, Policing, and Queue Scheduling
1##Step 1: Traffic Classification and Bandwidth Policy Matching
* The firewallfirst classifies trafficusing predefined bandwidth policies.
* These policies match traffic based on criteria such assource/destination IP, application type, and protocol.
* This step ensures that each type of traffic is categorized correctly before applying bandwidth restrictions.
2##Step 2: Traffic Processing Based on Bandwidth Policies
* Once traffic is classified,the firewall enforces bandwidth limits and security actions:
* Traffic exceeding the assigned bandwidth is discarded or throttled.
* Service connection limits are enforced to prevent excessive connections per user or application.
3##Step 3: Queue Scheduling and Priority Handling
* If trafficexceeds the available bandwidth, the firewallprioritizes high-priority trafficusing queue scheduling mechanisms.
* Techniques likeWeighted Fair Queuing (WFQ) and Priority Queuing (PQ)ensure thatcritical traffic (e.g., VoIP, business applications) is prioritized over less important traffic (e.g., downloads, streaming).
NEW QUESTION # 45
Match the description about virtual systems and VPN instances.
Answer:
Explanation:
Explanation:
1. Virtual System # Services and routes can be isolated.
* A virtual system (VS)in Huawei firewalls is afully isolated security instancewithin a single physical firewall.
* Each virtual system hasseparate services, routing tables, policies, and security rules, ensuring full isolation between different users or tenants.
2. VPN Instance # Only route isolation can be implemented.
* AVPN instance (VRF - Virtual Routing and Forwarding)providesroute isolationfor different customer networks butdoes not isolate services or security policies.
* This is typically used inMPLS VPN deploymentswhere different customers share the same physical device but need isolated routing tables.
3. VPN Instance # VPN instances are automatically generated.
* In someMPLS VPNorSDN-managed networks, VPN instances can beautomatically createdwhen customer configurations are pushed via controllers.
* Dynamic routing protocols (e.g., BGP/MPLS VPN) can automatically generateVRF instancesbased on network policies.
4. Virtual System # An instance needs to be manually created.
* Unlike VPN instances,virtual systems must be manually createdby an administrator on the firewall.
* Each virtual system functions as acompletely independent firewall, requiring manual configuration of interfaces, policies, and routing settings.
NEW QUESTION # 46
Which of the following statements is false about Eth-Trunk?(Select All that Apply)
- A. An Eth-Trunk must have at least two member links.
- B. An Eth-Trunk must have at least one active link.
- C. An Eth-Trunk interface can be a Layer 2 or Layer 3 interface.
- D. An Eth-Trunk interface is a logical interface.
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Eth-Trunk can be created with just one member link; it isnot mandatory to have two links.
* At least one active link is requiredfor the Eth-Trunk to function.
* Eth-Trunk is a logical interfacethat can work atLayer 2 or Layer 3.
* Why is A false?
* Whilemultiple links are recommended, an Eth-Trunkcan work with just one active link.
HCIP-Security References:
* Huawei HCIP-Security Guide # Ethernet Trunking
* Huawei USG Firewalls Link Aggregation Guide
NEW QUESTION # 47
iMaster NCE-Campus has a built-in LDAP module that enables it to function as an LDAP server to interconnect with access devices through LDAP.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* iMaster NCE-Campus does not have a built-in LDAP server.Instead, it integrates with external authentication servers such as:
* RADIUS servers
* Active Directory (AD) with LDAP
* HWTACACS servers
* Why is this statement false?
* iMaster NCE-Campus can connect to LDAP but does not act as an LDAP server itself.
HCIP-Security References:
* Huawei HCIP-Security Guide # iMaster NCE-Campus Authentication Integration
NEW QUESTION # 48
Match the HTTP control items with the corresponding descriptions.
Answer:
Explanation:
Explanation:
A screenshot of a computer error message AI-generated content may be incorrect.
POST # Sending Information to the Server
* ThePOST methodin HTTP is used to send data to a web server.
* Examples include:
* Submitting login credentials.
* Posting comments or messages on a forum.
* Uploading files via web applications.
* UnlikeGET, POSThides sensitive information in the request body, making it more secure for transmitting login credentials or personal data.
Internet Access Using a Proxy # Firewall Deployment for Proxy Access
* Aproxy serverallows users toaccess the internet through a controlled gateway.
* To enforce security policies, afirewall must be deployed between the intranet and the proxy server.
* Proxies are used for:
* Content filtering(blocking unwanted websites).
* Access control(restricting web usage based on user roles).
* Anonymization(hiding the user's original IP address).
File Upload/Download Size # Controlling Upload Limits
* Firewalls and security devicescan restrict file upload/download sizesto:
* Prevent excessive bandwidth usage.
* Block potentially malicious file uploads.
* Alert and Block Thresholds:
* Alert threshold:Logs a warning if a file exceeds a specific size.
* Block threshold:Prevents files larger than the configured limit from being uploaded or downloaded.
NEW QUESTION # 49
Which of the following statements is false about web rewriting in web proxy?
- A. The intranet server addresses can be hidden, ensuring high security.
- B. Internet Explorer controls are required.
- C. Images may be misplaced.
- D. The fonts may be incomplete.
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* Web rewriting in web proxy modifies web page contentforsecurity and access control.
* Issues with web rewriting include:
* A is true# Server addresses can be hidden.
* B is true# Images may be misaligned due to rewriting.
* C is true# Fonts may be incomplete.
* D is false#Web rewriting does not require Internet Explorer controls.
HCIP-Security References:
* Huawei HCIP-Security Guide # Web Proxy and Web Rewriting
NEW QUESTION # 50
Which of the following statements is false about virtual system resource allocation?
- A. Improper resource allocation may prevent other virtual systems from obtaining resources and services from running properly.
- B. To manually allocate resources to a virtual system, an administrator needs to configure a resource class, specify the guaranteed quota and maximum quota of each resource in the resource class, and bind the resource class to the virtual system.
- C. Virtual systems can share and preempt resources of the entire device. Such resources can be manually allocated.
- D. Quota-based resources are automatically allocated based on system specifications.
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
* Virtual system resource allocation can bemanual or shared.
* Manual allocationrequires configuring aresource class, defining aquota, and binding it to a virtual system.
* Why is D false?
* Quota-based resources are not automatically allocated.
* An administrator must defineresource quotas.
HCIP-Security References:
* Huawei HCIP-Security Guide # Virtual System Resource Allocation
NEW QUESTION # 51
Which of the following methods are used by flood attacks to cause denial of services?(Select All that Apply)
- A. Control network host rights.
- B. Exhaust network device resources.
- C. Exhaust server-side resources.
- D. Exhaust available bandwidth.
Answer: B,C,D
Explanation:
Comprehensive and Detailed Explanation:
* Flood attacks (DoS/DDoS) overwhelm network resources, preventing normal users from accessing services.
* Correct answers:
* A. Exhaust available bandwidth# Large amounts of traffic saturate the network.
* B. Exhaust server-side resources# High CPU/memory usage causes server crashes.
* D. Exhaust network device resources# Firewalls, routers, and switches become overloaded.
* Why is C incorrect?
* Controlling host rights is related to hacking, not flooding attacks.
HCIP-Security References:
* Huawei HCIP-Security Guide # DoS/DDoS Attack Prevention
NEW QUESTION # 52
On a WLAN where the WAC has Portal authentication configured, VLAN authorization can be implemented with no additional configuration required. After Portal authentication is complete, the WAC forwards STA traffic based on the authorized VLANs.
- A. TRUE
- B. FALSE
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* VLAN authorization in Portal authentication requires additional configuration.
* To assign VLANs dynamically:
* RADIUSmust return VLAN attributesafter authentication.
* TheWAC (Wireless Access Controller) must be configured to support dynamic VLAN assignment.
* Why is this statement false?
* VLAN authorization requires RADIUS attributes and WAC configuration-it is not automatic.
HCIP-Security References:
* Huawei HCIP-Security Guide # WLAN & Portal Authentication
NEW QUESTION # 53
Which of the following statements is false about RADIUS and HWTACACS?
- A. Both of them support authorization of configuration commands.
- B. Both of them use the client/server model.
- C. Both of them use shared keys to encrypt user information.
- D. Both of them feature good flexibility and extensibility.
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* RADIUS and HWTACACS are AAA (Authentication, Authorization, and Accounting) protocols, but they have key differences:
* RADIUS# Encrypts only passwords (not the entire message).
* HWTACACS# Encrypts the entire packet, providing better security.
* Command authorization:
* RADIUS does not support command-level authorization.
* HWTACACS supports per-command authorization(used in network device access control).
* Why is C false?
* RADIUS does not authorize configuration commands; HWTACACS does.
HCIP-Security References:
* Huawei HCIP-Security Guide # RADIUS vs. HWTACACS
NEW QUESTION # 54
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