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Huawei H12-725_V4.0 (HCIP-Security V4.0) Exam is a certification program designed for IT professionals who want to validate their knowledge and expertise in the field of security. H12-725_V4.0 exam is an advanced-level certification program that requires candidates to have extensive knowledge of security technologies, network security, and network security management. H12-725_V4.0 exam is designed to test the candidate's ability to plan, design, implement, and manage security systems.
Huawei H12-725_V4.0 : HCIP-Security V4.0 exam is a comprehensive certification that covers all aspects of network security. It evaluates the candidate's knowledge and skills in implementing and maintaining secure networks. HCIP-Security V4.0 certification is essential for network security professionals who wish to advance their career and gain recognition for their expertise in the field.
NEW QUESTION # 16
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 # 17
In SSL VPN, the firewall performs access authorization and control based on which of the following dimensions?
- A. Role
- B. IP address
- C. Port number
- D. MAC address
Answer: A,B
Explanation:
Comprehensive and Detailed Explanation:
* SSL VPN authorization is role-based:
* Role-based policiesdetermine user permissions.
* IP-based access controlensures users connect from allowed networks.
* Why are B and C incorrect?
* SSL VPN does not authenticate based on MAC address or port number.
HCIP-Security References:
* Huawei HCIP-Security Guide # SSL VPN Access Control
NEW QUESTION # 18
Which of the following statements is false about health check?
- A. Firewalls can detect network connectivity in real time based on the health check result.
- B. The health check function cannot be used together with PBR.
- C. Health check supports DNS detection protocols.
- D. In addition to link connectivity detection, health check can also detect the delay, jitter, and packet loss rate of links in real time.
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* Health checkensuresnetwork reliabilityby detecting link failures.
* Supports multiple protocols: ICMP, TCP, UDP, DNS, and HTTP.
* Works with PBR (Policy-Based Routing):
* Health checkmonitors link status, and if a failure is detected,PBR dynamically switches to an alternate path.
* Why is C false?
* Health check CAN be used with PBRto ensure traffic is routed via healthy links.
HCIP-Security References:
* Huawei HCIP-Security Guide # Health Check Configuration
NEW QUESTION # 19
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. HWTACACS server
- B. Portal server
- C. AD server
- D. RADIUS server
Answer: C
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 # 20
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. FALSE
- B. TRUE
Answer: A
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 # 21
Which of the following statements are true about SYN scanning attacks?(Select All that Apply)
- A. If the peer end does not respond to the SYN packet sent by the scanner, the peer host does not exist, or filtering is performed on the network or host.
- B. When the scanner sends a SYN packet, an RST response indicates a closed port.
- C. When the scanner sends a SYN packet, if the peer end responds with a SYN-ACK packet, the scanner then responds with an ACK packet to complete the three-way handshake.
- D. When the scanner sends a SYN packet, a SYN-ACK response indicates an open port.
Answer: A,B,D
Explanation:
Comprehensive and Detailed Explanation:
* SYN scanning is a stealthy technique used to identify open ports on a target system without fully establishing a TCP connection.
* How SYN scanning works:
* The scanner sends aSYN packetto the target port.
* The target responds based on the port state:
* SYN-ACK # Port is open(Correct - D).
* RST # Port is closed(Correct - A).
* No response # The host does not exist, or a firewall is blocking it(Correct - B).
* The scanner doesnot send an ACK(unlike a full TCP connection). Instead, it sends anRSTto avoid detection.
* Why is C incorrect?
* In SYN scanning, the scanner does NOT send an ACK to complete thehandshake. Instead, it sends an RST to abort the connection.
HCIP-Security References:
* Huawei HCIP-Security Guide # SYN Scanning Techniques
NEW QUESTION # 22
When an IPsec VPN is established in aggressive mode, AH+ESP can be used to encapsulate packets in NAT traversal scenarios.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Aggressive modeis a faster IKE Phase 1 negotiation method butdoes not support NAT traversal (NAT-T) with AH.
* NAT-T only works with ESP, because:
* AH includes the original IP header in its integrity check, which breaks when NAT modifies the IP address.
* ESP works with NAT-Tsince it does not include the original IP header in its integrity check.
* Why is this statement false?
* AH does not support NAT-T, soAH+ESP cannot be used in NAT traversal scenarios.
HCIP-Security References:
* Huawei HCIP-Security Guide # IPsec VPN NAT Traversal
NEW QUESTION # 23
HWTACACS is a centralized information exchange protocol based on the client/server structure. It uses UDP for transmission and performs authentication, authorization, and accounting for users accessing the Internet through Point-to-Point Protocol (PPP) or Virtual Private Dial-up Network (VPDN) and administrative users logging in to devices.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
1##Understanding HWTACACS:
* HWTACACS (Huawei Terminal Access Controller Access-Control System)is aHuawei- proprietaryAAA (Authentication, Authorization, and Accounting) protocol.
* It isbased on the TACACS+ protocolbut optimized for Huawei devices.
Why the Statement is False?
The statement contains atechnical inaccuracyabout thetransport protocolused by HWTACACS.
* Incorrect:"It uses UDP for transmission."
* Correct:HWTACACS uses TCP (Transmission Control Protocol), not UDP.
* TACACS+ and HWTACACS both use TCP (port 49) for reliable communication.
Key Features of HWTACACS:
A screenshot of a computer AI-generated content may be incorrect.
Why TCP is Used Instead of UDP?
* TCP ensures reliable deliveryof AAA messages.
* UnlikeRADIUS (which uses UDP), HWTACACS does not suffer from packet loss issuessince TCP provides retransmission and flow control.
Where is HWTACACS Used?
* Device Login Authentication# Securely managesnetwork administrators accessing Huawei routers, switches, and firewalls.
* Authorization Control# Grants specific command-level privileges to users.
* Accounting# Logs command execution for auditing purposes.
NEW QUESTION # 24
When Eth-Trunk is deployed for the heartbeat links between firewalls, the Eth-Trunk interface can be configured as a Layer 2 interface as long as the total bandwidth of active links on the Eth-Trunk is greater than 30% of the bandwidth required by service traffic.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Heartbeat linksbetween firewalls ensuresynchronization and failover.
* Layer 2 or Layer 3 configuration depends on deployment needs, but there isno strict 30% bandwidth rulefor Eth-Trunk heartbeat links.
* Why is this statement false?
* The30% threshold condition is incorrect.
* Eth-Trunk heartbeat links aretypically Layer 3 for better failover and routing control.
HCIP-Security References:
* Huawei HCIP-Security Guide # Firewall High Availability Deployment
NEW QUESTION # 25
*In the data filtering profile on the firewall, keyword group "Keyword" is invoked in the upload direction of HTTP applications, the action is block, and the keyword group is invoked in the security policy. Given this, if the regular expression "b.d" is configured in the keyword group "Keyword," which of the following texts can be posted by internal employees on the forum?
- A. bad
- B. boring
- C. abroad
- D. beside
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* Regular expressions (regex) are used in data filtering to detect patterns in traffic.
* *b.d Explanation:
* b# The word must start with 'b'.
* .* # Matches any number of characters (wildcard).
* d# The word must end with 'd'.
* Testing the given words:
* A. abroad (#matches)# Starts with "b" but does not end with "d".
* B. beside (#matches)# Starts with "b" but does not end with "d".
* C. boring (#allowed)# Doesnotstart with "b" and end with "d" (safe to post).
* D. bad (#blocked)# Starts with "b" and ends with "d" (matches the regex).
* Why is C correct?
* "boring" does not match the regex pattern, so it is not blocked.
HCIP-Security References:
* Huawei HCIP-Security Guide # Regular Expressions in Data Filtering
NEW QUESTION # 26
Which of the following statements is true about the outgoing traffic in the firewall virtual system?
- A. Traffic from the public network interface to the private network interface is limited by the outbound bandwidth.
- B. Traffic from the public network interface to the private network interface is limited by the inbound bandwidth.
- C. Traffic from the private network interface to the public network interface is limited by the inbound bandwidth.
- D. Traffic from the private network interface to the public network interface is limited by the outbound bandwidth.
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
* Inbound bandwidth= Trafficenteringthe firewall.
* Outbound bandwidth= Trafficleavingthe firewall.
* Correct answer:
* A. Private # Public traffic is controlled by outbound bandwidth.
* Why are the other options incorrect?
* Bis incorrect because public # private traffic is controlled byinbound bandwidth, not outbound.
* Cis incorrect because inbound bandwidth does not apply to private # public traffic.
* Dis incorrect because public # private traffic is controlled by inbound bandwidth.
HCIP-Security References:
* Huawei HCIP-Security Guide # Firewall Virtual System Bandwidth Control
NEW QUESTION # 27
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 # 28
Which of the following protocols can be encapsulated through GRE over IPsec?(Select All that Apply)
- A. OSPF
- B. VRRP
- C. IPv6
- D. IPX
Answer: A,B,C,D
Explanation:
Comprehensive and Detailed Explanation:
* IPsec does not support non-IP traffic (e.g., multicast, routing protocols, or legacy protocols like IPX).
* GRE over IPsec allows encapsulation of:
* A. IPX# Legacy protocol supported via GRE.
* B. VRRP# Uses multicast, which GRE supports.
* C. IPv6# GRE tunnels can carry IPv6 over IPv4.
* D. OSPF# Uses multicast (224.0.0.5 & 224.0.0.6), requiring GRE.
* Why are all options correct?
* GRE over IPsec is required for non-unicast and legacy protocols.
HCIP-Security References:
* Huawei HCIP-Security Guide # GRE over IPsec Deployment
NEW QUESTION # 29
Which of the following statements is false about the restrictions on configuring bandwidth profiles in parent and child policies on a firewall?
- A. The maximum bandwidth specified in a child policy cannot be greater than that specified in the parent policy.
- B. Both the parent and child policies must both use the same traffic limiting mode; that is, either "setting the upstream and downstream bandwidths" or "setting the overall bandwidth".
- C. The connection limit specified in a child policy cannot be smaller than that specified in the parent policy.
- D. The parent and child policies must reference different bandwidth profiles.
Answer: D
Explanation:
Comprehensive and Detailed Explanation:
* Bandwidth policies use a hierarchical structure(Parent # Child).
* Child policies must follow parent policiesin terms of bandwidth restrictions.
* Why is C false?
* A parent and childcan use the same bandwidth profile.
* The firewall allowsinheritanceof bandwidth settings.
HCIP-Security References:
* Huawei HCIP-Security Guide # Bandwidth Management and Policy Configuration
NEW QUESTION # 30
Which of the following is not a response action for abnormal file identification?
- A. Alert
- B. Block
- C. Allow
- D. Delete
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
* Response actions for abnormal file identification in Huawei firewalls include:
* A. Alert# Logs the event but does not stop the file.
* B. Block# Prevents the file from being accessed or downloaded.
* D. Delete# Removes the malicious file before it reaches the user.
* Why is C incorrect?
* Allowing an identified abnormal file defeats the purpose of security enforcement.
HCIP-Security References:
* Huawei HCIP-Security Guide # File Anomaly Detection & Response
NEW QUESTION # 31
Predefined URL categories on Huawei firewalls reside in the URL category database delivered with the device and do not need to be manually loaded.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Huawei firewalls come with a built-in URL filtering database, which includes predefined categories such as:
* Malicious websites
* Phishing sites
* Social media
* Business services
* The URL category database is periodically updated by Huawei, ensuring that new threats are detected automatically.
* Why is this statement true?
* Administrators do not need to manually load URL categories; they are delivered with the firewall and updated regularly.
HCIP-Security References:
* Huawei HCIP-Security Guide # URL Filtering & Web Security
NEW QUESTION # 32
Which of the following statements is false about the ATIC system architecture?
- A. The ATIC management server manages detecting and cleaning devices.
- B. SecoManager functions as the management center and uses the Browser/Server architecture.
- C. The ATIC consists of the management server, collector, and controller.
- D. One management center can centrally manage multiple geographically dispersed detecting and cleaning devices.
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
* ATIC (Advanced Threat Intelligence Center) systemconsists of:
* SecoManager (Management Center)# Manages security policies.
* Detection devices# Analyze traffic for threats.
* Cleaning devices# Mitigate attacks.
* Why is B false?
* ATIC architecture does not include a "collector and controller" structure.
HCIP-Security References:
* Huawei HCIP-Security Guide # ATIC System Architecture
NEW QUESTION # 33
Which of the following is not a process for remote users to access intranet resources through SSL VPN?
- A. User login
- B. Access accounting
- C. Resource access
- D. User authentication
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* SSL VPN remote access process includes:
* User login# User enters credentials on the virtual gateway.
* User authentication# Credentials are verified via RADIUS, LDAP, or local authentication.
* Resource access# The authenticated user accesses intranet resources.
* Why is C incorrect?
* SSL VPN does not perform "Access accounting"(which is used in RADIUS-based AAA systems).
HCIP-Security References:
* Huawei HCIP-Security Guide # SSL VPN Authentication Process
NEW QUESTION # 34
The Nginx application is deployed on a Linux host. By checking Nginx logs, O&M engineers can obtain the complete URL information submitted by users and determine whether the Linux host is under SQL injection attacks.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
* Nginx logs store detailed HTTP request information, including:
* RequestedURLs
* ClientIP addresses
* Query parameters(which may contain SQL injection attempts)
* SQL injection detection using logs:
* SuspiciousSQL keywordsin GET/POST requests (e.g., ' OR 1=1 -- or UNION SELECT).
* Repeated attack attemptsfrom a single source IP.
* Why is this statement true?
* Nginx logs provide full request details, enabling engineers to detect SQL injection attempts.
HCIP-Security References:
* Huawei HCIP-Security Guide # Web Attack Detection & Log Analysis
NEW QUESTION # 35
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