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| Section | Objectives |
|---|---|
| Topic 1: Network Security Design | - Campus security architecture considerations - Access control strategies |
| Topic 2: Presales Solution Design | - Customer requirement analysis - Solution proposal and design methodology |
| Topic 3: Huawei Campus Network Solutions | - CloudCampus solution architecture - iMaster NCE-Campus management platform |
| Topic 4: Switching and Routing in Campus Networks | - VLAN and segmentation design - Layer 2 and Layer 3 design principles |
| Topic 5: Campus Network Fundamentals | - Enterprise campus network architecture principles - Typical campus network deployment models |
| Topic 6: WLAN Planning and Design | - Capacity and performance design considerations - Wireless coverage planning |
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NEW QUESTION # 38
Which experience-assurance technologies does Huawei SD-WAN provide?
Answer: A,B,C,D
Explanation:
Huawei SD-WAN provides all four technologies. Per-flow load balancing distributes separate application flows among multiple links that have the same priority and satisfy the required SLA. Per-packet load balancing can transmit packets from one flow across multiple eligible links, improving aggregate bandwidth utilization for large file transfers, backups, and replication.
Multi-fed and selective receiving duplicates critical traffic across different links. The receiving device selects valid packets, removes duplicates, and preserves packet order. Packet loss or failure on one path therefore does not interrupt the service, enabling zero-millisecond link switchover in applicable deployments.
A-FEC dynamically generates redundant packets and adjusts the redundancy ratio according to measured packet loss. The receiving device reconstructs lost packets, reducing video freezing and voice-quality deterioration. Huawei describes both adaptive FEC and multi-fed selective receiving as WAN-optimization mechanisms for key traffic.
Intelligent traffic steering selects links according to application identity, quality, bandwidth, priority, and load.
Therefore, A, B, C, and D are all correct.
NEW QUESTION # 39
Which of the following capabilities were introduced with Wi-Fi 7?
Answer: A,C
Explanation:
The capabilities introduced with Wi-Fi 7 are 4096-QAM and channel bandwidth of up to 320 MHz. Wi-Fi 7, based on IEEE 802.11be Extremely High Throughput, doubles the maximum channel width available under Wi-Fi 6 and Wi-Fi 6E from 160 MHz to 320 MHz where sufficient regulatory spectrum is available. It also introduces 4096-QAM, encoding 12 bits per modulation symbol compared with 10 bits for Wi-Fi 6's 1024- QAM. This can increase peak spectral efficiency when the signal-to-noise ratio is sufficiently high.
The other options were available before Wi-Fi 7. Support for up to eight spatial streams existed in earlier IEEE 802.11 generations, and MU-MIMO was already supported before Wi-Fi 7, with major uplink and downlink enhancements delivered by Wi-Fi 6. The 6 GHz band was commercially introduced through Wi-Fi
6E. Huawei's material specifically describes Wi-Fi 6E as extending Wi-Fi 6 into the 6 GHz spectrum. Wi-Fi 7 continues using 6 GHz but did not introduce it. Therefore, only A and C are correct.
NEW QUESTION # 40
In the energy-saving solution based on AI traffic prediction, IoT APs are recommended to operate in non- energy-saving mode by default.
Answer: B
Explanation:
The statement is true. AI-based energy-saving systems analyze historical traffic and usage patterns to predict periods of low network demand. Ordinary AP radios or access devices can then enter an energy-saving state when their capacity is not required, while surrounding devices maintain sufficient coverage and service availability.
IoT APs, however, may host continuously operating IoT cards, sensors, electronic shelf-label services, Bluetooth location functions, RFID services, healthcare devices, or asset-tracking terminals. Placing such an AP into an energy-saving or hibernation state could interrupt more than ordinary Wi-Fi connectivity. It could also disable an IoT module's power supply, management channel, data backhaul, or persistent sensing function. Huawei's Wi-Fi and IoT convergence architecture uses APs as shared locations, power sources, and communication channels for IoT services.
Huawei also applies intelligent technologies to analyze AP load trends and perform predictive network optimization. The safer default is therefore to exclude IoT APs from automatic energy-saving actions unless the administrator confirms that their attached IoT services tolerate interruption. Accordingly, the answer is True.
NEW QUESTION # 41
Which of the following are WAN interconnection models for multi-branch campus networks?
Answer: A,B,D
Explanation:
Huawei SD-WAN supports full-mesh, hub-spoke, and partial-mesh interconnection models. In a full-mesh topology, every site can communicate directly with the other sites. This model minimizes intermediate forwarding and is appropriate when branches frequently exchange latency-sensitive traffic such as voice, video, or collaborative application data.
In a hub-spoke topology, branch sites communicate with a central headquarters or data-center hub. Branch-to- branch traffic normally traverses that hub. The model is simple, scalable, and suitable for enterprises whose applications and shared resources are concentrated at headquarters.
Partial-mesh is used when most sites can communicate directly but some sites lack direct underlay connectivity or do not require direct tunnels. Those sites can communicate through a redirect or intermediate site. Huawei describes full-mesh, hub-spoke, and partial-mesh as supported topology designs and explains the role of a redirect site in partial-mesh networking.
"Partial-spoke" is not a defined SD-WAN topology model. A spoke is a role within hub-spoke networking rather than an independent partial-spoke topology. Therefore, A, B, and D are correct.
NEW QUESTION # 42
Which solution can be used when users need to centrally control and manage Internet access traffic but do not have the required security-processing capability?
Answer: A
Explanation:
Professional security devices should be deployed at the headquarters or another centralized Internet-access site. Under centralized Internet access, branch Internet traffic is first carried through the SD-WAN overlay to the centralized gateway. The headquarters security infrastructure then performs access control and security inspection before forwarding the traffic to the Internet.
This approach is appropriate when branch CPEs lack sufficient processing capacity or advanced security functions. A centralized firewall or dedicated security platform can provide intrusion prevention, antivirus inspection, URL filtering, application control, content security, and unified logging. It also allows the enterprise to enforce one consistent security policy instead of maintaining separate advanced configurations at every branch.
Deploying advanced security capabilities on each CPE, as proposed in option C, is a distributed local- breakout design and does not satisfy the stated limitation concerning security-processing capability. Third- party cloud security services can be used in some site-to-cloud or secure Internet-access architectures, but they are not the intended headquarters-based centralized solution in this question.
Huawei explicitly states that centralized Internet traffic is diverted to the centralized access site and that the firewall function is deployed there to secure Internet services. Therefore, option D is correct.
NEW QUESTION # 43
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