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| Section | Weight | Objectives |
|---|---|---|
| Typical Campus Networking Solution | 5% | - End-to-end networking scenarios - Campus network design and integration |
| Data Communication Network Basics | 10% | - Data forwarding process - OSI and TCP/IP protocol models - VRP system basics and operations - Campus network basics - Basic network concepts and architecture - ARP, TCP/UDP principles |
| WLAN Technology Basics | 10% | - Basic WLAN configuration - WLAN architecture and working principles - 802.11 standards and WLAN components |
| Ethernet Technology Basics | 20% | - Link aggregation and stacking technologies - Ethernet standards and switch principles - VLAN, STP, RSTP principles and configuration |
| Network Security and Services | 15% | - DHCP, DNS, FTP, Telnet services - AAA and basic security technologies - ACL, NAT principles and configuration |
| Network O&M and Troubleshooting | 10% | - Fault diagnosis and troubleshooting methods - Network monitoring and management tools |
| Data Center Network Basics | 5% | - Data center architecture overview - Basic data center networking technologies |
| IP Technology Basics | 25% | - IPv4 addressing, subnetting - Static routing, OSPF fundamentals - IP routing basics and forwarding - IPv6 basics |
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NEW QUESTION # 34
An enterprise has deployed a Huawei WLAN, but some STAs cannot associate with wireless signals. To troubleshoot this issue, you log in to the WAC and run related commands. The command output is as follows. According to the command output, which of the following is the possible cause of the STA association failure?
Answer: C
Explanation:
If you look closely at the column CU (Channel Utilization) for both radios of AP ID 0:
Radio 0 (2.4G band): The CU is at 90%.
Radio 1 (5G band): The CU is at 13%.
A channel utilization of 90% on the 2.4G radio indicates severe congestion and heavy wireless interference. When the air interface is that busy, stations (STAs) attempting to connect will suffer from massive packet loss, timeouts, and a general inability to complete the association handshake.
NEW QUESTION # 35
On the network shown in the figure, GE1/0/1, GE1/0/2, and GE1/0/3 of SW1 are directly connected to SW2, and GE1/0/4 of SW1 is directly connected to SW3. The administrator runs the interface eth-trunk 1 command on SW1 and SW2 to create an Eth-Trunk to increase link bandwidth. Which of the following statements are true about this scenario?
Answer: A,C,D
Explanation:
LACP mode and manual load-balancing mode behave differently when an Eth-Trunk contains a link connected to the wrong peer. In LACP mode, member interfaces exchange LACPDUs and the switches determine which physical links can participate in the same aggregation. GE1/0/1 through GE1/0/3 are correctly connected between SW1 and SW2, so they can form an operational LACP Eth-Trunk. GE1/0/4 is connected to SW3 and cannot successfully negotiate as a member of the SW1-SW2 LAG; it is therefore not used for service forwarding to SW3. This makes A and B true. In manual mode, there is no LACP negotiation to validate that every member terminates on the same peer. If GE1/0/4 is manually placed in the trunk, the device may treat it as a forwarding member and hash some traffic onto that link toward SW3. The trunk does not automatically go Down solely because of that incorrect peer connection. Therefore C is false and D is true.
NEW QUESTION # 36
Which of the following statements are true about the Python code shown below? (Select all that apply) import paramiko import time ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect( ' 192.168.1.254 ' , username= ' python ' , password= ' Huawei@123 ' ) channel = ssh.invoke_shell() channel.send( ' screen-length 0 temporary\n ' ) time.sleep(1) output = channel.recv(65535).decode( ' utf-8 ' ) print(output) ssh.close()
Answer: A,B,C,D
Explanation:
All four statements are correct. The code uses the Paramiko library to automate SSH login to a network device. import paramiko and import time load the Python modules required for SSH communication and delay control, so option C is correct. The statement ssh = paramiko.SSHClient() creates an SSH client object, and ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) allows the client to accept an unknown host key automatically in this example scenario.
The command ssh.connect( ' 192.168.1.254 ' , username= ' python ' , password= ' Huawei@123 ' ) establishes an SSH connection to the target device, so option B is correct. Then channel = ssh.invoke_shell() opens an interactive shell channel , which is commonly used to send CLI commands and receive output just as an administrator would in a terminal session, making option D correct. The command channel.send( ' screen- length 0 temporary\n ' ) disables page-by-page output for the current session, which is useful in network automation. Finally, ssh.close() closes the SSH session and releases the connection, so option A is correct.
HCIA-Datacom automation knowledge often uses Paramiko examples to demonstrate basic Python-based device O & M.
NEW QUESTION # 37
During the wireless service configuration on a Huawei WAC, you need to create a VAP profile and configure the country code, data forwarding mode, and service VLAN in the profile.
Answer: B
Explanation:
On a Huawei WAC, a VAP profile is used to define WLAN service parameters such as SSID, security, and service VLAN mapping. However, the country code is configured globally (at the WAC or regulatory domain level), not within the VAP profile. Data forwarding mode is configured in related forwarding or service templates depending on the architecture, not strictly inside the VAP profile. Therefore, not all listed parameters belong to a VAP profile configuration, making the statement incorrect.
NEW QUESTION # 38
Assume you are an administrator of a campus network. You want to enable STelnet on network devices so that you can remotely log in to them for service commissioning and configuration changes. Which of the following statements is false about STelnet?
Answer: B
Explanation:
STelnet is Huawei ' s secure terminal service based on SSH and uses a client/server model. The device being remotely managed operates as the STelnet server, and the administrator ' s terminal acts as the client. A user who must modify device configuration also requires an adequate command privilege level; a level intended only for monitoring is insufficient. The false statement is A because the SSH/STelnet listening port cannot be set to literally any port number. Huawei VRP permits the default SSH server port 22 and, on common platforms and releases, configurable high-numbered ports within the documented allowed range. Port 1026 is a valid example of a non-default server port, but the wording " any port " is technically incorrect because reserved or disallowed values cannot be selected. Changing the listening port can reduce exposure to routine scans, but it does not remove the requirement for SSH authentication and access controls. Therefore the source answer A is valid when the complete wording of the option is considered.
NEW QUESTION # 39
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