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| Section | Weight | Objectives |
|---|---|---|
| Solution Promotion and Project Implementation | 15% | - Solution value analysis and competitive differentiation - Deployment guidance and acceptance criteria |
| Scenario-based Campus Network Design | 25% | - Small and medium-sized campus network design - Cloud-managed and virtualized campus network design - Large campus and multi-branch interconnection design |
| Huawei Campus Network Solutions and Products | 20% | - Xinghe Intelligent Campus Solution overview - Switches, WLAN products and AR routers - iMaster NCE-Campus management platform |
| Campus Network Technology Design | 25% | - QoS, security and high availability design - WLAN planning, coverage and roaming design - VLAN, IP addressing and routing design |
| Campus Network Planning and Design Fundamentals | 15% | - Network design principles and methodologies - Campus network architecture and evolution - Service requirements and demand analysis |
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NEW QUESTION # 40
Which of the following statements is true about MACsec?
Answer: C
Explanation:
Hardware-based encryption is the unambiguously correct statement. MACsec protects Ethernet frames at Layer 2 using AES-GCM-based authenticated encryption. On enterprise switches and routers, the encryption and integrity operations are commonly implemented in forwarding ASICs or dedicated hardware so that frames can be protected at high throughput with low latency.
Option A is incorrect because complex manual configuration is not an inherent requirement. MACsec can use manually configured connectivity-association keys, but IEEE 802.1X MACsec Key Agreement can automate peer authentication, secure-channel establishment, key distribution, and rekeying. The operational complexity therefore depends on the deployment model and management platform.
Option C is also inaccurate. MACsec is media-independent, meaning it can operate over supported copper or fiber Ethernet; however, it does not eliminate the requirement for appropriate Layer 2 connectivity between participating MACsec entities. Standard hop-by-hop MACsec protects Ethernet links or LAN connectivity between peers and is not a general Layer 3 tunneling mechanism.
MACsec supplies Layer 2 confidentiality, integrity, origin authentication, and replay protection. Its encryption can be performed directly in network-device hardware, enabling substantially better forwarding performance than software-only encryption implementations.
NEW QUESTION # 41
Which of the following encryption algorithms is used by WPA3?
Answer: B
Explanation:
The intended answer is AES-256. In certification material, this question normally refers to the enhanced WPA3-Enterprise 192-bit security suite, which uses the GCMP-256 data-protection algorithm based on AES-
256, together with stronger integrity and key-management components. AES-512 is not a standardized AES variant, and RC4 is the obsolete stream cipher associated with legacy WEP and TKIP-era protection rather than WPA3.
There is an important technical qualification: WPA3 is a family of certification modes, not one universal cipher suite. WPA3-Personal commonly uses Simultaneous Authentication of Equals for password- authenticated key establishment and requires CCMP-128, which is based on AES-128. WPA3-Enterprise 192- bit mode, however, uses AES-256 in GCM mode. Therefore, the original wording is broader than it should be.
A technically precise version would ask which algorithm is associated with the WPA3-Enterprise 192-bit security suite. Under the intended Huawei examination scope and the supplied single-choice options, option B is correct. That distinction is crucial when interpreting this simplified examination item.
NEW QUESTION # 42
Which of the following statements are true about wireless traffic forwarding modes on a fabric wireless network?
Answer: A,B,C,D
Explanation:
All four statements correctly describe the trade-offs between direct and tunnel forwarding. With direct forwarding, an AP sends service traffic directly to the upstream network rather than encapsulating it in a CAPWAP data tunnel to the WAC. This eliminates unnecessary detours, avoids creating a WAC bandwidth bottleneck, reduces WAC load, and generally provides higher forwarding efficiency.
However, on a fabric network, Layer 3 roaming across different edge nodes may require the original edge or another designated device to remain the home agent. The resulting forwarding path and state synchronization can slightly affect roaming performance, making direct forwarding less suitable for extremely roaming- sensitive deployments. Huawei's material explains that after Layer 3 roaming in direct-forwarding mode, traffic may continue to be forwarded through the home agent.
Tunnel forwarding sends AP service traffic through CAPWAP tunnels to the WAC. This simplifies centralized policy enforcement, security control, and traffic management. Its disadvantage is that all wireless traffic may detour through the WAC, increasing forwarding pressure and potentially creating a performance bottleneck.
NEW QUESTION # 43
Which of the following BGP NLRI address-family combinations is used to transmit SD-WAN tunnel encapsulation information?
Answer: B
Explanation:
AFI 1 with SAFI 74 is the correct combination. In Multiprotocol BGP, the Address Family Identifier defines the basic network-layer address family, while the Subsequent Address Family Identifier specifies how the associated NLRI is interpreted. AFI 1 represents IPv4. SAFI 74 is assigned for SD-WAN capabilities and is used to distribute information required for SD-WAN edge discovery and tunnel establishment, including transport and encapsulation-related attributes.
The other combinations represent different forms of reachability information. AFI 1/SAFI 1 is ordinary IPv4 unicast NLRI. AFI 1/SAFI 2 represents IPv4 multicast reachability. AFI 25 represents Layer 2 VPN information, while SAFI 70 represents Ethernet VPN routes; that combination is associated with EVPN rather than the specific SD-WAN capability NLRI requested.
Huawei's architecture uses BGP-based control channels to exchange transport network port information, IPsec security-association information, and service routes. These parameters allow edge devices to determine peer endpoints and create GRE or GRE-over-IPsec data channels after the relevant service routes trigger tunnel establishment.
NEW QUESTION # 44
How many ports can a 400GE card offer on the CloudEngine S16700 series next-generation flagship core switches?
Answer: B
Explanation:
A high-density 400GE service card for the CloudEngine S16700 series can provide 18 ports. The S16700 is positioned as a next-generation flagship campus core switch designed for ultra-high-capacity aggregation, large-scale Wi-Fi backhaul, data-center interconnection, and long-term bandwidth evolution.
An 18-port 400GE card provides a theoretical aggregate port rate of 7.2 Tbit/s in each direction before considering the switching fabric's internal architecture and forwarding design. This density allows a single chassis slot to aggregate numerous high-speed distribution switches, connect multiple campus fabrics, or provide high-bandwidth links toward data centers and service platforms. It also reduces the number of cards and chassis required compared with lower-density 8-port, 12-port, or 16-port alternatives.
The question asks specifically for the number of physical 400GE interfaces offered by the card, not the entire chassis capacity or the number of ports after breakout. Under the H19-404 product-portfolio specification represented by this question, the correct density is 18 native 400GE ports. Therefore, option B is correct.
NEW QUESTION # 45
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