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| Section | Objectives |
|---|---|
| Topic 1: Presales Solution Design | - Solution proposal and design methodology - Customer requirement analysis |
| Topic 2: Switching and Routing in Campus Networks | - Layer 2 and Layer 3 design principles - VLAN and segmentation design |
| Topic 3: Network Security Design | - Access control strategies - Campus security architecture considerations |
| Topic 4: Campus Network Fundamentals | - Typical campus network deployment models - Enterprise campus network architecture principles |
| Topic 5: WLAN Planning and Design | - Wireless coverage planning - Capacity and performance design considerations |
| Topic 6: Huawei Campus Network Solutions | - CloudCampus solution architecture - iMaster NCE-Campus management platform |
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NEW QUESTION # 29
What are the two IPsec data encapsulation modes?
Answer: A,D
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 # 30
iMaster NCE-Campus can implement refined policy control over user permissions. Which of the following can be used as policy conditions?
Answer: A,B,C,D
Explanation:
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.
NEW QUESTION # 31
Which of the following statements is false about GRE over IPsec?
Answer: B
Explanation:
Option B is false because it reverses the encapsulation behavior. In IPsec transport mode, the IPsec security header is inserted after the existing IP header; a new outer IP header is not normally added. In tunnel mode, the complete original IP packet is encapsulated and a new outer IP header is added. Tunnel mode therefore generally introduces greater overhead and produces a longer packet than transport mode, not the reverse.
The remaining statements are correct. IPsec supports both transport and tunnel modes. GRE over IPsec performs GRE encapsulation first, allowing GRE to transport the original payload, and then applies IPsec protection to the resulting GRE packet. The IPsec security association is established between the GRE tunnel endpoints, protecting the GRE-encapsulated traffic as it traverses an untrusted transport network.
Huawei SD-WAN data channels can use either GRE or GRE over IPsec. GRE provides flexible overlay encapsulation, while IPsec adds confidentiality, integrity, origin authentication, and anti-replay protection for site-to-site traffic. Huawei specifically identifies IPsec encryption as the mechanism securing site-to-site SD- WAN services.
NEW QUESTION # 32
Intelligent policy recommendation can achieve network-level load balancing.
Answer: B
Explanation:
The statement is true. Intelligent policy recommendation does not consider only the traffic load of an individual interface or device. iMaster NCE-Campus obtains network topology, application, link-quality, bandwidth-utilization, and traffic-distribution information from multiple devices. It can then recommend or orchestrate policies that distribute traffic across the network's available paths and resources.
For example, when multiple WAN links have the same priority and satisfy an application's SLA requirements, per-flow load balancing can distribute different application flows among those links.
Bandwidth-proportional balancing can also account for differences in link capacity, preventing a lower- bandwidth link from being overloaded. Huawei explains that load-balancing-based traffic steering can fully utilize multiple links and distribute flows across links meeting the required SLA.
Because iMaster NCE-Campus centrally manages CPEs and uniformly orchestrates service intent across the overlay network, recommendations can be evaluated from a network-wide perspective instead of through isolated local decisions. Therefore, intelligent policy recommendation can implement network-level load balancing.
NEW QUESTION # 33
iMaster NCE-Campus can identify terminals. Which of the following services can be provided after terminal identification?
Answer: A,C,D
Explanation:
After identifying a terminal, iMaster NCE-Campus can use the identification result for security monitoring, visibility, and policy automation. Spoofing detection is supported because the platform can compare a terminal's current type and traffic behavior with its previously identified characteristics. For example, if a device originally identified as an IP phone suddenly behaves like a PC, the system can generate a spoofing alarm or apply an isolation policy.
Terminal identification also supports statistics and reporting by vendor, operating system, device category, access port, and policy status. Huawei explicitly describes terminal-type statistics, report export, and visibility of access policies.
In addition, iMaster NCE-Campus can automatically deliver VLAN, security-group, QoS, authentication, and access-permission policies according to the identified terminal type. Option B is incorrect because wired authentication is an admission process, not a service produced after terminal identification. Therefore, A, C, and D are correct.
NEW QUESTION # 34
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