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Huawei HCIE-Datacom V1.0 Sample Questions (Q261-Q266):

NEW QUESTION # 261
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.

A. FALSE
B. TRUE

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 datausing encryption protocols likeAES 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 interceptedby attackers using packet sniffers (e.g., Wireshark).
Correct Method for Secure Remote Login in Python:
UseParamiko for SSH-based secure automation.
Example of logging in withParamiko (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 # 262
Which of the following statements about SR-MPLS Policy candidate paths are correct?

A. Load balancing can be implemented among candidate paths and among segment lists.
B. An SR-MPLS policy can contain multiple candidate paths with the preference attribute.
C. A candidate path can contain multiple segment lists, with each segment list carrying the weight attribute.
D. The valid candidate path with the highest preference functions as the primary path of the SR-MPLS Policy.

Answer: A,B,C,D

Explanation:
Comprehensive and Detailed Explanation:
# SR-MPLS Policy candidate paths are used for flexible path selection and load balancing in Segment Routing (SR-MPLS) networks.
# Correct Statements:# (A) Each candidate path can have multiple segment lists, each with its own weight for load balancing.# (B) Load balancing is supported both between candidate paths and within segment lists.# (C) An SR-MPLS Policy can contain multiple candidate paths, each with a preference value.# (D) The candidate path with the highest preference is selected as the primary path.
# Reference: Huawei HCIE Datacom - SR-MPLS Policy Path Selection

NEW QUESTION # 263
In Huawei SD-WAN Solution, which of the following tunneling technologies is used to establish data channels?

A. IPsec
B. WLAN
C. GRE over IPsec
D. MPLS

Answer: A,C

Explanation:
Understanding Huawei SD-WAN Tunneling Technologies
Huawei SD-WAN uses secure tunneling to connect branches, data centers, and cloud services.
# Tunneling Technologies in SD-WAN:# IPsec (Answer B) # Provides secure encrypted tunnels over public or private networks.# GRE over IPsec (Answer D) # Encapsulates traffic inside GRE, then encrypts with IPsec, enabling support for multicast and non-IP traffic.
# A. WLAN (Incorrect Choice) # WLAN is a wireless technology, not a tunneling protocol.# C. MPLS (Incorrect Choice) # MPLS is a core network transport technology but is not used to establish SD-WAN data channels directly.
Why are Answers B and D Correct?
# Huawei SD-WAN primarily uses IPsec for data encryption.# GRE over IPsec is used when supporting multicast or dynamic routing protocols over tunnels.
# Reference: Huawei HCIE-Datacom Guide - SD-WAN Tunneling Mechanisms

NEW QUESTION # 264
An HTTP request line consists of three fields. Select the fields to form a complete HTTP request message.

Answer:

Explanation:

NEW QUESTION # 265
The RR (Route Reflector) is critical to the Huawei SD-WAN Solution, and its deployment mode varies based on the scenario. In which of the following modes can an RR be deployed?

A. Multi-area deployment of the RR
B. Partially independent deployment of the RR
C. Independent deployment of the RR
D. Co-deployment of the RR and hub site

Answer: B,C,D

Explanation:
Understanding Route Reflectors (RRs) in Huawei SD-WAN
In Huawei's SD-WAN Solution, BGP Route Reflectors (RRs) are used to reduce the number of BGP peer relationships and optimize routing scalability.
# Key Functions of an RR in SD-WAN:
* Centralizes BGP route distribution in large-scale SD-WAN networks.
* Reduces full-mesh BGP peering complexity.
* Improves network scalability and convergence time.
Analysis of Each Deployment Mode:
# B. Independent deployment of the RR
* Correct: The RR is deployed as a standalone device, independent of the SD-WAN hub site.
* Best for large-scale SD-WAN deployments requiring dedicated route control.
# C. Co-deployment of the RR and hub site
* Correct: The RR is co-located with the SD-WAN hub site, reducing infrastructure overhead.
* Best for mid-sized SD-WAN deployments where the hub and RR functions can be combined.
# D. Partially independent deployment of the RR
* Correct: The RR is partially separated from the hub but still shares some resources.
* Provides a balance between full independence and co-location.
# A. Multi-area deployment of the RR (Incorrect Choice)
* Multi-area RR deployment is not a common Huawei SD-WAN practice.
* Huawei does not require separate RRs per area, as SD-WAN is based on centralized policy-based routing.
Real-World Application:
* Large Enterprise SD-WAN: Uses independent RRs to optimize global network routing.
* Service Provider SD-WAN: Uses co-deployed RRs to reduce infrastructure costs while maintaining route scalability.
# Reference: Huawei HCIE-Datacom Guide - BGP Route Reflectors in SD-WAN Architecture

NEW QUESTION # 266
......

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