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| Section | Objectives |
|---|---|
| Topic 1: WLAN Planning and Design | - Capacity and performance design considerations - Wireless coverage planning |
| Topic 2: Campus Network Fundamentals | - Typical campus network deployment models - Enterprise campus network architecture principles |
| Topic 3: Switching and Routing in Campus Networks | - Layer 2 and Layer 3 design principles - VLAN and segmentation design |
| Topic 4: Presales Solution Design | - Solution proposal and design methodology - Customer requirement analysis |
| Topic 5: Huawei Campus Network Solutions | - CloudCampus solution architecture - iMaster NCE-Campus management platform |
| Topic 6: Network Security Design | - Access control strategies - Campus security architecture considerations |
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NEW QUESTION # 52
Which of the following slicing modes are supported?
Answer: A,B,C,D
Explanation:
All four listed classification dimensions are supported slicing approaches in the relevant campus and SD- WAN context. A slice can be created from traffic characteristics, including a 5-tuple or an identified application, so selected flows receive dedicated forwarding, bandwidth, security, or quality policies. Huawei supports customized application identification using URLs and IP 5-tuple information, as well as application- and 5-tuple-based traffic steering and QoS.
VPN- or VN-based slicing provides logical Layer 3 isolation. Huawei's SD-WAN design maps each VN to an independent VPN instance or VRF and permits different overlay topologies, routing configurations, and policies. User-group-based slicing associates network treatment with identity or security-group membership rather than a permanently assigned IP address, supporting free mobility and consistent policy when users move. Huawei's campus architecture applies different permissions to different user groups inside a VN.
VLAN- or port-based slicing classifies traffic by the local access attachment and is useful for fixed terminals or environments without identity authentication. Therefore, A, B, C, and D are all correct.
NEW QUESTION # 53
If multiple Internet links are available, these links cannot be prioritized and can only be load-balanced.
Answer: A
Explanation:
The statement is false because Huawei SD-WAN supports both priority-based link selection and load balancing. Multiple Internet or WAN links do not have to be treated equally. An administrator can define a preferred or primary link and designate another link as secondary or backup according to application requirements, link quality, cost, bandwidth, or operational policy.
For delay- and packet-loss-sensitive services such as voice and video, a higher-quality link can be configured as the primary path and another link as the backup. If the primary link no longer satisfies the configured SLA thresholds, traffic can be dynamically switched to a better path. Huawei's material explicitly describes primary and secondary link selection based on SLA and also presents load-balancing-based steering as a separate option.
Load balancing is useful when an enterprise wants to utilize the bandwidth of multiple links concurrently.
Priority-based active/standby forwarding is preferable when one provider offers better quality or when one circuit should be reserved for critical services. Intelligent traffic steering can additionally consider application priority and current bandwidth utilization. Therefore, multiple links can be prioritized, load-balanced, or used in a policy-controlled combination, making option B correct.
NEW QUESTION # 54
It is recommended that policy association be deployed between the access and aggregation layers when distributed VXLAN gateways are used and VXLAN is deployed across the core and aggregation layers.
Answer: A
Explanation:
The statement is true. In this three-layer campus design, aggregation switches function as VXLAN edge nodes and distributed gateways, while access switches provide terminal connectivity. Policy association allows the access switches to participate in user admission and policy enforcement without requiring them to support full VXLAN functions.
The access switch collects terminal access information and associates user traffic with the appropriate service or policy. The aggregation switch, acting as the fabric edge and VXLAN tunnel endpoint, performs VXLAN encapsulation, distributed gateway forwarding, and policy-related operations. Huawei specifically states that when aggregation switches operate as edge nodes, access switches do not need to support VXLAN and can cooperate with aggregation switches through policy association. This also permits legacy access switches to be reused.
The design reduces upgrade costs and avoids extending complex overlay configurations to every access device. Huawei's automated virtual-network deployment model also explicitly includes policy association between the aggregation and access layers, allowing access switches without VXLAN capability to operate as transparent or associated access nodes. Therefore, option A is correct.
NEW QUESTION # 55
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: C
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 # 56
Which of the following functions is supported by the AR6177?
Answer: C
Explanation:
The distinguishing function supported by the AR6177 is VDSL. VDSL, or Very-high-bit-rate Digital Subscriber Line, enables a branch router to obtain WAN connectivity over existing copper telephone infrastructure. It is appropriate for small branches and distributed sites where Ethernet private lines, fiber, or mobile connections are unavailable or commercially impractical.
The AR6177 can terminate the VDSL access circuit and provide routing, NAT, DHCP, VPN, and other branch-gateway functions for the connected LAN. In this single-answer question, Wi-Fi and PoE are not the defining integrated capabilities of the AR6177 model. Similarly, the complete combination of IPS, antivirus, and URL filtering belongs to a security-enhanced product profile rather than the function used to distinguish the AR6177.
Huawei's campus design material recognizes DSL links as a specific WAN-access category and notes that deployments involving complex or low-speed links, including DSL, may require an appropriate branch-device deployment method. The model is therefore selected when direct VDSL-based WAN access is required.
Consequently, VDSL is the supported capability intended by this question, and option C is correct.
NEW QUESTION # 57
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