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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Related Certifications: | HCIP-Datacom HCIE-Datacom |
| Real Exam Qty: | 60-70 |
| Available Languages: | English, Chinese |
| Exam Format: | Multiple choice, Single choice |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Exam Price: | $200 USD (varies by region) |
| Recommended Training: | Huawei HCIA-Datacom Training Resources Huawei Learning Platform |
| Exam Registration: | Huawei Talent Certification Portal Pearson VUE Huawei Exams |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or authorized test center (Pearson VUE) |
| Pre Condition: | No strict prerequisites required; basic networking knowledge recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/ |
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NEW QUESTION # 28
In the TCP/IP reference model, some application layer protocols require low latency and high efficiency while allowing partial data loss during data transmission. Which of the following application layer protocols fit this description? (Choose all that apply.)
Answer: B,D
Explanation:
TFTP and DNS are designed for fast, lightweight communication and typically use UDP, which prioritizes low latency and efficiency over reliability, allowing some data loss. HTTP and Telnet, on the other hand, require reliable, connection-oriented transmission (TCP), so they do not tolerate data loss and are not suited for this type of requirement.
NEW QUESTION # 29
When a Huawei network device functions as an FTP server, which of the following are possible causes of an FTP client failing to log in to the FTP server? (Select all that apply)
Answer: A,B,C,D
Explanation:
All four options are possible causes of FTP login failure, so the correct answer is A, B, C, and D.
Option A is correct because if the FTP server function is not enabled on the Huawei device, the device cannot provide FTP services and the client cannot log in. Option B is also correct because if the authorized directory is not specified for the FTP user, the user may not be able to complete login or access file services properly, depending on the FTP user configuration requirements.
Option C is correct because an FTP user account must be configured with the required username and password; otherwise, authentication cannot succeed. Option D is also correct because if the network between the FTP client and the device is unreachable, the client cannot establish the FTP connection at all.
In HCIA-Datacom troubleshooting, FTP login failure is usually checked from four aspects: service enablement, user configuration, permission or directory authorization, and network connectivity.
This question tests standard remote maintenance troubleshooting logic for file transfer services on Huawei network devices.
NEW QUESTION # 30
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 # 31
On the campus network shown in the figure below, the core switch Core1 functions as a Layer 3 gateway and as a DHCP server to dynamically assign IP addresses to AP1, PC1, PC2, and PC3. The network below Core1 is a Layer 2 network. WAC1 and R1 are connected to Core1 at Layer 3. AP1 goes online through VLAN 100.
The wireless service VLAN is VLAN 101, and the wired service VLANs for PC2 and PC3 are VLAN 102 and VLAN 103, respectively. Additionally, the direct forwarding mode is used for wireless traffic forwarding.
If no additional VLANs are allowed on device interfaces, which of the following VLANs must be allowed on GE1/0/1 of ACC1? (Select all that apply)
Answer: A,B,C
Explanation:
According to the original topology and service-planning question, the required VLANs are VLAN 100, VLAN 101, and VLAN 102, so options A, B, and C are correct. In HCIA-Datacom campus design questions, VLAN planning is usually based on service separation, such as user services, voice services, wireless services, management services, or specific departmental segmentation. Each service type is assigned an appropriate VLAN so that broadcast domains are separated and policies can be applied more effectively.
The reason option D is not selected is that it does not match the service requirements shown in the original figure. VLAN planning must follow the actual service design rather than arbitrary numbering. HCIA- Datacom emphasizes that campus VLAN planning should align with traffic isolation, gateway design, security policy deployment, and future scalability. Proper VLAN assignment helps simplify troubleshooting, reduce unnecessary broadcasts, and support service-based policy enforcement. This question tests the ability to read a service topology and identify which VLANs are actually required by the depicted design rather than choosing extra VLANs that are not part of the planned campus solution.
NEW QUESTION # 32
The administrator performs the configuration shown in the figure on SW1 and SW2. Initially, PC1 is connected to GE1/0/1 of SW1. After the network is stable, the administrator pings the IP addresses of PC2 and PC3 from PC1. Later, the administrator connects PC1 to GE1/0/2 of SW1. After the network is stable, the administrator pings the IP addresses of PC2 and PC3 from PC1. Which of the following statements is false about this scenario?
Answer: B
Explanation:
The exhibit assigns SW1 GE1/0/1 to VLAN 10 and GE1/0/2 to VLAN 20, while the trunk between SW1 and SW2 carries the required VLANs. When PC1 is connected to GE1/0/1, its untagged frames are classified into VLAN 10. PC2 is also in VLAN 10, so PC1 can communicate with PC2 at Layer 2, whereas PC3 is in VLAN
20 and is separated by the VLAN boundary. SW1 learns PC1 ' s source MAC address together with VLAN 10 and ingress interface GE1/0/1. When PC1 is moved to GE1/0/2, its untagged frames are now placed in VLAN
20. After MAC relearning occurs, PC1 can communicate with PC3, which is also in VLAN 20, but not directly with PC2 in VLAN 10 unless Layer 3 inter-VLAN routing is provided. Consequently, statement A is false because PC1 is not isolated from both hosts after the move; it can communicate with PC3.
NEW QUESTION # 33
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