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| Section | Weight | Objectives |
|---|---|---|
| Campus Network Technology Design | 25% | - WLAN planning, coverage and roaming design - VLAN, IP addressing and routing design - QoS, security and high availability design |
| Campus Network Planning and Design Fundamentals | 15% | - Campus network architecture and evolution - Service requirements and demand analysis - Network design principles and methodologies |
| Scenario-based Campus Network Design | 25% | - Small and medium-sized campus network design - Large campus and multi-branch interconnection design - Cloud-managed and virtualized campus network design |
| Huawei Campus Network Solutions and Products | 20% | - Xinghe Intelligent Campus Solution overview - Switches, WLAN products and AR routers - iMaster NCE-Campus management platform |
| Solution Promotion and Project Implementation | 15% | - Deployment guidance and acceptance criteria - Solution value analysis and competitive differentiation |
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NEW QUESTION # 56
What are the two IPsec data encapsulation modes?
Answer: A,B
Explanation:
The two IPsec encapsulation modes are transport mode and tunnel mode. In transport mode, IPsec protects the upper-layer payload of the original IP packet while retaining the original IP header as the packet's outer header. It is commonly associated with end-to-end host communication, although it can also protect a GRE packet between tunnel endpoints.
In tunnel mode, IPsec protects the complete original IP packet and adds a new outer IP header containing the addresses of the IPsec peers. This mode is commonly used between security gateways, routers, or site-to-site VPN endpoints because the original source and destination information can be protected within the encrypted inner packet. RFC 4301 formally defines transport and tunnel as the two IPsec security-association modes.
AH and ESP are not encapsulation modes. They are IPsec security protocols. Authentication Header provides integrity and source authentication but not encryption. Encapsulating Security Payload can provide encryption, integrity, authentication, and anti-replay protection. Either protocol can conceptually operate in transport or tunnel mode, although ESP is overwhelmingly used for encrypted enterprise VPN and SD-WAN data channels.
NEW QUESTION # 57
Which of the following can be determined through a survey of the terminal types on a customer's network?
Answer: B
Explanation:
A terminal-type survey primarily determines the appropriate network admission control solution. Different terminal categories have different authentication capabilities and security requirements. Corporate laptops may support 802.1X authentication, guests may require Portal authentication, and printers, cameras, sensors, and other dumb terminals commonly require MAC-address authentication or automatic terminal identification.
Huawei recommends selecting authentication technologies according to the terminal type and usage scenario.
For example, access switches can serve as authentication points for wired dumb terminals, while APs or other access devices can perform authentication for wireless users. After terminal identification is enabled, iMaster NCE-Campus can automatically assign VLANs, ACLs, security groups, QoS parameters, and other authorization policies according to terminal category.
The survey therefore establishes which endpoints support interactive authentication, which require non- interactive admission, and which must receive special isolation or compliance policies. It does not independently determine the complete physical network architecture or the overall O & M platform.
Consequently, the terminal survey is used to formulate the network admission control solution, making option C correct.
NEW QUESTION # 58
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 # 59
How many ports can a 400GE card offer on the CloudEngine S16700 series next-generation flagship core switches?
Answer: C
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 # 60
Which of the following functions is supported by the AR6177?
Answer: D
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 # 61
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