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| Section | Objectives |
|---|---|
| Topic 1: Huawei Campus Network Products and Solutions | - Campus Network Product Portfolio
|
| Topic 2: Campus Network Solution Architecture and Design | - Enterprise Campus Network Architecture
|
| Topic 3: Pre-sales Methodology and Solution Presentation | - Pre-sales Skills
|
| Topic 4: CloudCampus and Intelligent Campus Solutions | - CloudCampus Architecture
|
| Topic 5: Industry Scenario Solution Design | - Industry-Oriented Campus Solutions
|
| Topic 6: Campus Network Security Design | - Security Planning
|
| Topic 7: Campus SD-WAN Planning and Design | - SD-WAN Solutions
|
| Topic 8: Campus WLAN Planning and Design | - WLAN Technologies
|
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問題 #44
Traffic can be forwarded directly between the two PRP ports of a PRP RedBox.
答案：A
解題說明：
The statement is false. In Parallel Redundancy Protocol, LAN A and LAN B must remain two separate, failure-independent networks. A PRP RedBox connects a singly attached node or conventional network to both parallel LANs and behaves toward the PRP network like a doubly attached node. It duplicates outgoing frames and transmits one copy through each PRP port. For incoming traffic, it accepts the first valid copy and discards the later duplicate before forwarding the frame through its interlink port.
The RedBox must not operate as a normal bridge that directly forwards frames from its LAN A port to its LAN B port. Doing so would connect the two redundant LANs, potentially creating loops, duplicate propagation, broadcast amplification, and a common failure path. That would defeat the fundamental PRP requirement that failure or disruption in one LAN must not affect the other.
The original video contains the typing error "PPR RedBox"; the correct term is PRP RedBox , meaning Parallel Redundancy Protocol Redundancy Box. PRP topology requires two separate networks with no direct links between them, while the RedBox provides controlled redundant attachment for non-PRP devices.
問題 #45
Which of the following technologies is used for wireless attack detection?
答案：A
解題說明：
WIPS is the correct technology because it provides wireless intrusion prevention capabilities, including detecting and containing rogue access points, rogue stations, ad hoc devices, spoofing attempts, flood attacks, and other malicious activity on the radio interface. Huawei's security-design material groups WIDS and WIPS with wireless attack detection and rogue-device containment. It recommends attack detection in public areas and primary or secondary education environments with high security requirements.
WIDS primarily detects and reports suspicious behavior, while WIPS adds active prevention or containment actions according to the configured policy. The other options serve different purposes. Mesh is a wireless networking architecture used to provide backhaul connectivity or extend coverage between APs; it is not an attack-detection mechanism. Spectrum analysis identifies non-Wi-Fi interference sources and evaluates radio- frequency utilization, but does not provide complete security attack detection and containment. Protected Management Frames protects selected 802.11 management frames against forgery, deauthentication, and disassociation attacks, but it is a protection mechanism rather than the comprehensive detection system requested. Therefore, WIPS is the correct answer.
問題 #46
What is the maximum number of access units supported by a central switch on a passive Ethernet network (PEN)?
答案：A
解題說明：
A central switch in the relevant passive Ethernet network architecture supports a maximum of 48 access units.
The architecture replaces a conventional multi-layer access design with a centralized switch and distributed remote or access units. The access units function as extensions of the central switch's ports, simplifying device management, configuration, and topology maintenance.
Huawei's CloudEngine S5731-H fixed central-switch specification provides models with 24 or 48 hybrid optical-electrical downlink ports. The 48-port model can therefore directly manage up to 48 associated access or remote units under the design limits represented by this question. The same hybrid links can provide data transmission and remote PoE power, enabling access units to be installed closer to terminals without requiring conventional active aggregation equipment at every location.
The central switch automatically discovers the topology, while remote units behave as extended ports rather than independently managed switches. This reduces management nodes and simplifies a traditional three- layer network into a two-layer architecture. The larger values of 64, 72, and 96 exceed the supported maximum for the specified central-switch implementation. Therefore, option C is correct.
問題 #47
iMaster NCE-Campus can implement refined policy control over user permissions. Which of the following can be used as policy conditions?
答案：A,B,C,D
解題說明：
All four options can be used as conditions by the iMaster NCE-Campus intelligent policy engine. Huawei describes this capability through a 5W1H-based policy model. "Who" represents the user identity, user group, or role. "Where" represents the access location, including the site, region, device group, device, SSID, or IP address. "How" represents the access mode, such as wired or wireless access and the authentication method used. "What" represents the terminal type or device attributes, including PCs and mobile operating systems.
The platform can combine these conditions rather than evaluating them independently. For example, a finance employee using a corporate laptop through wired 802.1X access at headquarters can receive different permissions from the same employee connecting through a personal mobile device at a branch. The authorization result can include a VLAN, ACL, security group, bandwidth limit, DSCP value, application policy, or URL-filtering rule.
This multidimensional evaluation enables context-aware, fine-grained access control. Therefore, A, B, C, and D are all correct.
問題 #48
Which of the following statements is true about MACsec?
答案：C
問題 #49
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最新H19-404_V1.0考證: https://www.vcesoft.com/H19-404_V1.0-pdf.html