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Huawei H12-725_V4.0 (HCIP-Security V4.0) Certification Exam is a professional-level certification exam that tests the knowledge and skills of IT professionals in the field of network security. H12-725_V4.0 exam is designed to validate the ability of candidates to plan, design, implement, operate, and troubleshoot secure network infrastructures using Huawei security products and technologies.
NEW QUESTION # 44
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 # 45
Multiple links can be deployed at the egress of an enterprise network to improve network reliability.
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* Deploying multiple egress linksensures:
* Redundancy# If one link fails, another remains active.
* Load balancing# Traffic can be distributed across multiple links.
* High availability# Reduces downtime.
* Why is this statement true?
* Enterprise networksbenefit from multiple egress links.
HCIP-Security References:
* Huawei HCIP-Security Guide # Network Redundancy and High Availability
NEW QUESTION # 46
In SSL VPN, the firewall performs access authorization and control based on which of the following dimensions?
Answer: C,D
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 # 47
Match the HTTP control items with the corresponding descriptions.
Answer:
Explanation:
Explanation:
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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 # 48
SYN scanning requires a fully established TCP connection and is recorded in system logs.
Answer: B
Explanation:
Comprehensive and Detailed Explanation:
* SYN scanning is a stealthy TCP scanning technique used by attackers to detect open ports.
* How SYN scanning works:
* The attacker sends aSYN packetto a target port.
* If the port isopen, the target responds with aSYN-ACK.
* Instead of completing the handshake with anACK, the attacker sends anRST (reset) packet, leaving the connection half-open.
* Why is this statement false?
* SYN scanning does NOT establish a full connection (three-way handshake).
* It may not always be recorded in system logs, depending on firewall settings.
HCIP-Security References:
* Huawei HCIP-Security Guide # TCP SYN Scanning & Intrusion Detection
NEW QUESTION # 49
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