Thefive-layer TCP/IP modelconsists of the following layers:
Application layer
Transport layer
Network layer
Data link layer
Physical layer
A: Application layer- Handles application-level protocols (e.g., HTTP, FTP).
B: Network layer- Handles logical addressing and routing (e.g., IP).
D: Transport layer- Manages end-to-end connections and reliability (e.g., TCP, UDP).
C: Radio layeris not part of the standard TCP/IP model - it's relevant in wireless physical-layer communication, butnot defined in the TCP/IP layering structure.
Reference:
HCSA-IP Network V4.0 Study Guide - Chapter 1: Data Communication Network Basics Huawei Networking Fundamentals Training Materials

Huawei'sHiSecEngine firewallshave achievedrecognition in the Gartner Magic Quadrant for Network Firewalls, butnot for 12 consecutive years. Huawei's presence in this quadrant ismore recent, with consistent recognition over the past few years, particularly following the rebranding to HiSecEngine and performance improvements. The "12 consecutive years" claim is inaccurate per Gartner reports.
Reference:
HCSA-IP Network V4.0 Study Guide - Chapter 8: Huawei Network Security Products and Solutions Gartner Magic Quadrant for Network Firewalls (Recent Editions) Huawei Security Product Press Releases

Huawei'santi-DDoS solutionconsists ofthree core components:
B: Management Center- Handles centralized policy configuration, resource scheduling, and coordination across devices.
C: Detection Center- Performs real-time traffic analysis, identifies abnormal patterns, and triggers alarms.
D: Cleaning Center- Executes traffic scrubbing to remove malicious packets and forward clean traffic to the intended destination.
A: Maintenance centeris not a defined component in Huawei's anti-DDoS architecture.
Reference:
HCSA-IP Network V4.0 Study Guide - Chapter 8: Huawei Network Security Products and Solutions Huawei Anti-DDoS Technical White Paper

The Huawei NetEngine AR6710-H4T4X2Y7 is part of the AR6700 series routers designed for large-scale branch or hub deployments. The model supports:
Up to 4 Gbit/s forwarding performance
Dual control and hot backup
Modular design
Integrated SD-WAN, security, and VPN features
It is well-suited for regional hubs in large enterprises that demand high reliability and performance.
Reference:
Huawei HCSA-IP Network V4.0 Study Guide, Chapter: "Huawei WAN Products and Solutions", Section:
"AR6700 Series High-Reliability Routers"
Huawei AR6710-H4T4X2Y7 Datasheet (Huawei Enterprise Product Center)
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Huawei'sWi-Fi Shield technologyis designed toenhance WLAN securityand includes features such as:
Unauthorized terminal detection and suppression
Data encryption and integrity protection
Air interface behavior analysisto block rogue APs or attackers
Contrary to the statement,Wi-Fi Shield prevents unauthorized terminals from accessing or parsing any data, making the correct answerFalse.
Reference:
HCSA-IP Network V4.0 Study Guide - Chapter 4: Huawei Campus WLAN Products and Solutions Huawei Wi-Fi Shield Security Technology Guide