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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Automation Technologies and Practice | 17% | - Huawei Automation Solutions
|
| Topic 2: Bearer WAN Planning and Deployment | 15% | - Bearer Network Architecture
|
| Topic 3: WAN Interconnection Network Planning and Deployment | 8% | - WAN Service Optimization
|
| Topic 4: Campus Network Planning and Deployment | 23% | - Campus Network Service Deployment
|
| Topic 5: Advanced Routing and Switching Technologies | 37% | - Advanced Routing Protocols
|
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NEW QUESTION # 281
A network administrator needs to retrieve atoken IDfromiMaster NCEusing the following Python code:
import requests
nbi_name = "demol3@north.com"
nbi_pwd = "qqcOVcVel@"
host = "139.9.213.72"
port = "18002"
URI = "/controller/v2/tokens"
post_token_url = "https://" + host + ":" + port + URI
headers_post = {'Content-Type': 'application/json', 'Accept': 'application/json'} r = requests.post(post_token_url, headers=headers_post, json={"userName": nbi_name, "password":
nbi_pwd}, verify=incorrect)
Which of the following statements is incorrect?
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
#Analyzing the Python Code:
#(A) Correct# print(r.json()) prints the response JSON, showing thetoken ID.
#(B) Correct# The token request URL is correctly specified.
#(D) Correct# json={"userName": nbi_name, "password": nbi_pwd} confirms the requestbody is in JSON format.
#(C) Incorrect:
The requestuses POST, not GET (requests.post() is explicitly called).
#Reference:Huawei HCIE Datacom - RESTful API Authentication in iMaster NCE
NEW QUESTION # 282
On a CloudCampus virtualized campus network, virtual networks are defined based on services. Each virtual network corresponds to a service, and isolation needs to be manually configured between virtual networks.
Answer: A
Explanation:
* Virtual Networks in Huawei CloudCampus Solution:
* Virtual networks (VNs) are segmented based on services (e.g., IoT, Guest Wi-Fi, Enterprise Wi- Fi).
* Each VN has its own routing and forwarding instance (VRF).
* Isolation Between Virtual Networks:
* By default, different virtual networks are isolated.
* If inter-VN communication is required, it must be manually configured using policy-based routing (PBR), inter-VRF routing, or firewall policies.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei CloudCampus Solution Guide - Virtual Networks and Segmentation
* HCIE-Datacom Training Material - Policy-Based Inter-VN Communication
NEW QUESTION # 283
In the following figure, OSPF is enabled on all router interfaces. The IP addresses marked in the figure belong to Loopback0 of the routers.
The Loopback0 addresses of R1 and R2 are advertised in Area 1, the Loopback0 address of R4 is advertised in Area 0, and the Loopback0 addresses of R3 and R5 are advertised in Area 2. Given this, which of the following IP addresses can ping each other?
Answer: B
Explanation:
Understanding OSPF Multi-Area Routing
#OSPF (Open Shortest Path First) is a link-state routing protocolthat uses ahierarchical area designfor scalability.
#OSPF Areas in the Diagram:
Area 0 (Backbone Area):ContainsR4 (Loopback 10.0.4.4/32).
Area 1:ContainsR1 (Loopback 10.0.1.1/32) and R2 (Loopback 10.0.2.2/32).
Area 2:ContainsR3 (Loopback 10.0.3.3/32) and R5 (Loopback 10.0.5.5/32).
R1 and R2 connect Area 1 to Area 0.
R1 and R3 connect Area 1 to Area 2.
How OSPF Advertises Routes Across Areas
#Intra-area communication (within the same area) is always possible.
#Inter-area communication is possible if the ABR (Area Border Router) correctly advertises routes.
#OSPF does NOT automatically advertise routes from one non-backbone area (e.g., Area 2) to another (e.g., Area 0) unless explicitly allowed.
Analysis of the Answer Choices:
#A. 10.0.3.3 and 10.0.5.5 (Incorrect)
Both R3 (10.0.3.3) and R5 (10.0.5.5) are inArea 2.
R3 and R5 can communicate directly, but OSPF rules require an Area Border Router (ABR) to share routing information between areas.
Since no information is provided about inter-area route redistribution, we cannot confirm that R3 and R5 can reach each other.
#B. 10.0.2.2 and 10.0.5.5 (Incorrect)
R2 (10.0.2.2) is in Area 1, and R5 (10.0.5.5) is in Area 2.
R2 does NOT have direct OSPF reachability into Area 2.
#C. 10.0.2.2 and 10.0.3.3 (Correct)
R2 (10.0.2.2) is in Area 1, and R3 (10.0.3.3) is in Area 2.
R1 connects both Area 1 and Area 2, meaning R2 and R3 can communicate via R1.
R1 is the ABR (Area Border Router) between Area 1 and Area 2, so it will advertise routes from R3 to R2 and vice versa.
#D. 10.0.4.4 and 10.0.2.2 (Incorrect)
R4 (10.0.4.4) is in Area 0 (Backbone), and R2 (10.0.2.2) is in Area 1.
R2 does NOT connect directly to Area 0, soR2 does not learn routes from Area 0 unless R1 explicitly redistributes them.
No explicit information about route redistribution is provided.
C: (10.0.2.2 and 10.0.3.3)
#Reference:Huawei HCIE-Datacom Guide - OSPF Multi-Area Routing & ABR Role Real-World Application:
Enterprise WAN Networks:Multi-area OSPF is used toscale large enterprise networkswhile maintainingfast convergence.
Service Provider Networks:ABRs control route distribution, preventingunnecessary flooding of routing updates across areas.
NEW QUESTION # 284
In thefirewall hot standby scenario, in which of the following conditions will the local deviceproactively send VGMP packets?
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
VGMP (Virtual Group Management Protocol)is used inHuawei firewallsforhot standby and high availability.
When is VGMP Activated?#Whenhot standby is enabled, firewalls must synchronize their states to maintain failover capability.##VGMPsends packets periodicallyto check if the standby firewall is operational.
Why Other Options Are Incorrect?#Priority increase (B):Does not trigger VGMP packets directly.#Link detection timeout (C):Affects failover but does not initiate VGMP packets.#Hot standby being disabled (A):
Disables VGMP, preventing packets from being sent.
Thus, the correct answer isD.
#Reference:Huawei HCIE Datacom - Firewall Hot Standby and VGMP
NEW QUESTION # 285
InSRv6, each time a packet passes through anSRv6 endpoint node, theSegments Leftfield valuedecrements by
1, and theIPv6 DA changes.
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
#SRv6 (Segment Routing over IPv6)works byencoding a segment list in the IPv6 header.
#How SRv6 Works:
TheSegments Leftfield indicates theremaining segmentsin the path.
Eachendpoint node processes the next segmentand decrementsSegments Leftby 1.
TheIPv6 Destination Address (DA) is updatedto the next segment.
Thus, the statement isTRUE.
#Reference:Huawei HCIE Datacom - SRv6 Packet Forwarding
NEW QUESTION # 286
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