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| Section | Weight | Objectives |
|---|---|---|
| WAN Interconnection Network Planning and Deployment | 8% | - WAN Service Optimization
|
| Advanced Routing and Switching Technologies | 37% | - Advanced Switching Technologies
|
| Network Automation Technologies and Practice | 17% | - Automation Foundation
|
| Bearer WAN Planning and Deployment | 15% | - High-level Technology Deployment
|
| Campus Network Planning and Deployment | 23% | - Campus Network Architecture Design
|
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NEW QUESTION # 91
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: B
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 # 92
The Huawei SD-WAN solution has three types of channels. Drag the channel names to their corresponding callouts.
Answer:
Explanation:
Explanation:
A white line with black lines AI-generated content may be incorrect.
In Huawei'sSD-WAN architecture, the following channels are defined:
Management Channel (Callout 1)
BetweeniMaster NCEandEdge devices.
Used for deviceregistration, configuration, and monitoring.
Encrypted with HTTPS.
Control Channel (Callout 2)
BetweenEdge devices and RR (Route Reflector).
Used forroute exchangeandcontrol signaling, typically overMPLS or Internet.
Data Channel (Callout 3)
BetweenEdge to Edge(e.g., HQ to branch).
Used for actualservice traffic transmission, carried overMPLS, Internet, or both.
Correct Mapping:
Management channel# Callout1(from iMaster NCE to Edge)
Control channel# Callout2(Edge to RR)
Data channel# Callout3(Edge to Edge, over MPLS/Internet)
NEW QUESTION # 93
The correct statement about the difference between OSPFv2 and OSPFv3 is ? Multi-select
Answer: A,C,D
NEW QUESTION # 94
A client sends an HTTP request to a server, and the server sends back an HTTP response. Which of the following parameters isnotcarried in the HTTP response?
Answer: C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
AnHTTP responsefrom the server to the client typically includes the following components:
Protocol version (C):Specifies the HTTP version used (e.g., HTTP/1.1).
Status code (B):Indicates the response result (e.g., 200 for OK, 404 for Not Found).
Reason phrase (A):A textual description associated with the status code (e.g., "OK", "Not Found").
Headers and Body:Contain additional information and the actual response content.
URI (D):TheUniform Resource Identifieris part of theHTTP requestand not theHTTP response. Therefore,Dis the correct answer.
NEW QUESTION # 95
What can be determined from the following figure?
<R1> display bgp ipv6 routing-table
Total Number of Routes: 2
*>i Network : 3002::3
NextHop : 3000:FDEA::3
MED : 0
Path/Orgn : i
*>i Network : 3002::4
NextHop : 3000:FDEA::3
MED : 0
PrefixLen : 128
LocPrf : 100
PrefVal : 0
Path/Orgn : 65001 i
Answer: D
Explanation:
The command output shows:
*>i before both networks, which means these routes are the preferred routes (*) and are learned via internal BGP (i).
Two networks are listed: 3002::3 and 3002::4, which means R1 does have these two routes in its BGP IPv6 routing table.
For 3002::4, the path origin shows 65001 i, which means this route originated from AS 65001 and was learned through IBGP.
The AS Path attribute is only shown for 3002::4, but both routes are clearly present.
Therefore, the correct conclusion is:
NEW QUESTION # 96
......
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