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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Automation | 17% | - iMaster NCE
|
| Topic 2: WAN Interconnection Network Planning and Deployment | 8% | - SD-WAN
|
| Topic 3: Bearer WAN Planning and Deployment | 15% | - VPN Services
|
| Topic 4: Campus Network Planning and Deployment | 23% | - Network Services
|
| Topic 5: Advanced Routing and Switching Technology | 37% | - OSPF
|
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NEW QUESTION # 114
How long is an IPv6 prefix assigned to a host when an IPv6 address is configured for the host in SLAAC mode?
Answer: D
Explanation:
Stateless Address Autoconfiguration (SLAAC) is an IPv6 mechanism where a host automatically configures its own global unicast address without requiring a DHCPv6 server.
* IPv6 Address Format in SLAAC:
* First 64 bits # Network Prefix (received from the router's RA message).
* Last 64 bits # Interface Identifier (generated using EUI-64 or a randomly assigned value).
* Why is the Prefix Always 64 Bits?
* SLAAC requires a /64 prefix because the host needs the lower 64 bits to generate a unique address.
* IPv6 Neighbor Discovery (ND) and Address Autoconfiguration are designed for a /64 subnet mask.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei IPv6 Configuration Guide - SLAAC Addressing and Prefix Allocation
* HCIE-Datacom Training Material - IPv6 Stateless Address Autoconfiguration (SLAAC)
NEW QUESTION # 115
A carrier's home broadband service requires a maximum downstream bandwidth of 100 Mbit/s during off-peak hours and a guaranteed downstream bandwidth of 50 Mbit/s during peak hours. The home broadband service includes the home IP phone service and the home Internet access service. Which of the following configurations best meets the service requirement?
Answer: C
Explanation:
Comprehensive and Detailed In-Depth
The correct configuration is qos car inbound cir 50000 pir 100000.
CIR (Committed Information Rate): The guaranteed minimum bandwidth, set to 50 Mbit/s (50000 kbps).
PIR (Peak Information Rate): The maximum allowable bandwidth, set to 100 Mbit/s (100000 kbps).
This configuration ensures that during peak hours, the minimum guaranteed bandwidth is 50 Mbit/s, while during off-peak hours, the bandwidth can increase to a maximum of 100 Mbit/s. The settings align with the carrier's requirements for dynamic bandwidth allocation based on network load.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei QoS Configuration and Implementation Guide
NEW QUESTION # 116
Which of the following inter-AS MPLS L3VPN solutions does not require MPLS to run between ASBRs?
Answer: A
Explanation:
Comprehensive and Detailed
Inter-AS MPLS L3VPN solutions enable communication between different Autonomous Systems (AS) while maintaining VPN separation. The three primary solutions for inter-AS MPLS L3VPN are:
Option A (Back-to-Back VRF)
MPLS is not required between ASBRs.
VPN routes are exchanged without label switching.
Each ASBR has a VRF instance configured and forwards traffic using plain IP routing.
Option B (eBGP Redistribution of Labeled VPNv4 Routes)
MPLS is not required between ASBRs.
ASBRs exchange labeled VPNv4 routes using eBGP.
The ASBR does not perform label switching but simply forwards packets based on VPNv4 labels.
Option C (Multi-Hop MP-BGP for VPNv4 Routes)
MPLS is required between ASBRs.
ASBRs establish label-switched paths (LSPs) to forward VPN traffic across AS boundaries.
Since Option B relies on labeled VPNv4 routes via eBGP and does not need MPLS between ASBRs, the correct answer is D.
๐ Reference: Huawei HCIE Datacom Study Guide - MPLS VPN Inter-AS Solutions
NEW QUESTION # 117
iMaster NCE-Campus restricts RESTful APIs. If a client sends aGET requestthat invokes a RESTful API to obtain site information from iMaster NCE-Campus, which of the following fields should be included in the request header?
Answer: C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
When invokingRESTful APIsiniMaster NCE-Campus, the client must include theACCESS-TOKENin therequest headerto authenticate the request.
TheACCESS-TOKENis obtained throughauthenticationand is required forAPI access control.
The correct format in the HTTP header is:
Authorization: Bearer ACCESS-TOKEN
Other formats likeACCEPT-TOKEN,X-ACCEPT-TOKEN, andX ACCESS TOKENare not recognized or valid foriMaster NCE-Campus API requests.
Therefore, the correct answer isA.
NEW QUESTION # 118
An engineer often remotely logs in to the device to check the device status. The engineer can use the Python Paramiko and telnetlib libraries to implement automatic remote login through Python scripts.
The remote login implemented using telnetlib is more secure.
Answer: A
Explanation:
Comparison Between Paramiko (SSH) and Telnetlib (Telnet)
# Paramiko (SSH) is more secure than Telnetlib (Telnet).
* SSH (Secure Shell) encrypts login credentials and session data using encryption protocols like AES and RSA.
* Telnet transmits data in plaintext, making it vulnerable to eavesdropping and man-in-the-middle attacks.
# Why is Telnet Insecure?
* No encryption # Credentials (username/password) are sent in plaintext.
* Easily intercepted by attackers using packet sniffers (e.g., Wireshark).
Correct Method for Secure Remote Login in Python:
* Use Paramiko for SSH-based secure automation.
* Example of logging in with Paramiko (SSH) in Python:
import paramiko
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect("192.168.1.1", username="admin", password="password")
stdin, stdout, stderr = ssh.exec_command("display version")
print(stdout.read().decode())
ssh.close()
Reference from Huawei HCIE-Datacom Documentation:
* Huawei Security Best Practices - Avoiding Telnet and Using SSH for Secure Access
* HCIE-Datacom Training Material - Network Automation with Python (Paramiko & Telnetlib)
NEW QUESTION # 119
......
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