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NEW QUESTION # 15
On the network shown in the figure, S2 serves as a DHCP server and has four address pools, R1 functions as a DHCP relay agent, and S1 is a DHCP client. Which of the following IPv4 addresses can be assigned to S1 through DHCP?
Answer: C
Explanation:
S1 is a DHCP client and will receive an IP address from the DHCP server S2 via the relay agent R1. The DHCP server has multiple pools, and only the pool matching the client-side network of S1 (192.168.1.0/24) applies. Therefore, the only valid address that can be assigned to S1 must come from the 192.168.1.0/24 subnet. Among the options, only 192.168.1.108/24 belongs to that correct address pool.
NEW QUESTION # 16
When deploying a WLAN on a customer ' s live network, you find that a STA fails to access the WLAN during commissioning. Which of the following are possible causes? (Select all that apply)
Answer: A,B,C,D
Explanation:
Huawei ' s HCIA-Datacom WLAN troubleshooting material identifies several causes of wireless station access failures.
Option A is correct because excessive channel utilization causes contention, retransmissions, and degraded wireless communication. The training material indicates that channel utilization exceeding approximately
85% can prevent STAs from accessing the network reliably.
Option B is correct because the WAC can deny wireless client access through blacklist-based admission control.
Option C is correct because network faults may prevent DHCP messages from reaching their destination, leaving the STA without a valid IP address and preventing successful network connectivity.
Option D is correct because a defective wireless network adapter can prevent the STA from establishing or maintaining wireless communication.
Troubleshooting should distinguish failures during scanning, authentication, association, and IP address allocation.
Therefore, all four options represent possible causes.
NEW QUESTION # 17
When a Huawei device functions as an SSH client to log in to another network device for the first time, the ssh client first-time enable command must be run to enable the first-time login function of the SSH client.
Otherwise, the login fails.
Answer: A
Explanation:
The HCIA-Datacom V2.0 Training Material describes the configuration of Huawei devices operating as SSH clients.
For the first-time-login workflow, the command ssh client first-time enable enables the SSH client to establish its initial connection with an SSH server whose host public key has not already been trusted.
SSH provides authentication, encryption, and integrity protection to secure remote management traffic.
During initial connection establishment, the SSH client must handle the server ' s host public key to establish trust.
The first-time-login function permits this initial trust-establishment process. Without it, a connection to a server whose host key has not been provisioned may fail.
The training material explicitly includes this command in its SSH client configuration procedure.
Therefore, within the first-time-login configuration scenario described in the question, the statement is TRUE.
NEW QUESTION # 18
With the release of Wi-Fi 7, wireless networks are now faster, more stable, and more latency- tolerant than ever. Which of the following frequency bands are supported by Wi-Fi 7? (Select all that apply)
Answer: A,B,D
Explanation:
Wi-Fi 7 supports operation in the 2.4 GHz, 5 GHz, and 6 GHz frequency bands, so options A, C, and D are correct. These three bands together provide flexible coverage and capacity options.
The 2.4 GHz band offers better propagation and wider coverage, while the 5 GHz and 6 GHz bands provide more channels, higher capacity, and better support for high-speed, low-latency services.
NEW QUESTION # 19
Which of the following SNMP messages is sent unsolicited to the NMS by a managed device to report some urgent and significant events (such as a restart of the managed device)?
Answer: D
Explanation:
In SNMP, a Trap message is sent asynchronously and unsolicited from a managed device to the NMS to report important or urgent events such as device restart, link failures, or threshold alarms.
It does not require a response from the NMS, unlike Inform messages.
NEW QUESTION # 20
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