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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60-70 |
| Exam Format: | Multiple choice, Single choice |
| Exam Price: | $200 USD (varies by region) |
| Exam Duration: | 90 minutes |
| Available Languages: | Chinese, English |
| Passing Score: | 600/1000 |
| Related Certifications: | HCIP-Datacom HCIE-Datacom |
| Recommended Training: | Huawei Learning Platform Huawei HCIA-Datacom Training Resources |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Talent Certification Portal |
| 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 # 42
If host A wants to communicate with host B, which is on another subnet, host A broadcasts an ARP request to obtain host B ' s MAC address. After receiving the request, host B replies with an ARP response to notify host A of its MAC address.
Answer: B
Explanation:
ARP resolves an IPv4 address to a Layer 2 MAC address only within the local broadcast domain. When Host A determines, from its IP address and subnet mask, that Host B is on a different subnet, Host A does not broadcast an ARP request for Host B ' s MAC address. Instead, it forwards the packet to its default gateway.
If the gateway ' s MAC address is not already cached, Host A broadcasts an ARP request for the gateway interface ' s IPv4 address. The gateway replies with its own MAC address, and Host A uses that MAC address as the Ethernet destination while retaining Host B ' s IP address as the IP destination. The router then forwards the packet toward Host B and may perform ARP on the destination subnet to learn Host B ' s MAC address.
Therefore, the statement incorrectly describes cross-subnet forwarding as direct ARP resolution between the two hosts. The correct answer is FALSE, option B.
NEW QUESTION # 43
Enterprise data center (DC) services are no longer carried by physical machines or provided only for internal users. Instead, cloud platforms integrate resources in a unified manner and provide services for external users. Continuous service innovation requires the DC construction mode to evolve from single-DC to multi-site multi-DC.
Answer: A
Explanation:
Modern enterprise data centers are no longer limited to physical machines or internal-only services. With cloud computing, resources are pooled and abstracted to provide services to both internal and external users. To support scalability, high availability, and continuous service innovation, data center architectures have evolved from single-site deployments to multi-site, multi-data center designs.
NEW QUESTION # 44
On a small WLAN shown in the figure, the WAC acts as a DHCP server to assign IP addresses to APs and STAs. The management VLAN is 100, the service VLAN is 110, and the user data forwarding mode is tunnel forwarding. Which of the following is the correct configuration for the switch and WAC interfaces?
Answer: B
Explanation:
In tunnel forwarding mode, user traffic is encapsulated and carried to the WAC, so the switch-AP and WAC-switch links mainly need to carry the management VLAN for AP registration and control communication. Since VLAN 100 is the management VLAN, both the switch ports and WAC interface only need to allow VLAN 100, without requiring the service VLAN 110 on the wired transport links.
NEW QUESTION # 45
The following command output is displayed on R1:
[R1] display aaa configuration
Domain Name Delimiter : @
Domainname parse direction : Left to right
Domainname location : After-delimiter
Administrator user default domain : default_admin
Normal user default domain : default
Domain : total: 256 used: 3
Authentication-scheme : total: 32 used: 2
Accounting-scheme : total: 32 used: 1
Authorization-scheme : total: 32 used: 2
Service-scheme : total: 256 used: 0
Recording-scheme : total: 32 used: 0
Local-user : total: 512 used: 2
Remote-admin-user block retry-interval : 5 Min(s)
Remote-admin-user block retry-time : 3
Remote-admin-user block time : 5 Min(s)
Session timeout invalid enable : No
Which of the following statements is false?
Answer: B
Explanation:
Comprehensive and Detailed 150 to 200 words of Explanation From Datacom knowledge:
The false statement is B . From the AAA configuration output, the value of Remote-admin-user block time is clearly shown as 5 Min(s) , which means the account lockout duration is 5 minutes , not 30 minutes.
Option A is true because Remote-admin-user block retry-time : 3 indicates that after 3 consecutive authentication failures , the account will be blocked. Option C is also true because the displayed Domain Name Delimiter is @ , which is the separator used in usernames such as user@huawei.com. Option D is true as well because the output shows Local-user : total: 512 used: 2 , meaning that the device supports a maximum of 512 local users , and currently 2 local users have been created.
This question checks the ability to correctly read AAA configuration output on Huawei devices. In HCIA- Datacom knowledge, it is important to distinguish between retry interval , retry count , and block time , because these values represent different security control parameters and are often confused during troubleshooting or configuration review.
NEW QUESTION # 46
If the neighbor relationship between R1 and R2 has reached the Full state in OSPF, which of the following statements are true? (Select all that apply)
Answer: A,B,C
Explanation:
When two OSPF routers reach the Full state, it means that adjacency establishment has been successfully completed and the routers have synchronized the necessary link-state information for that area. For this to happen, the two routers must have different router IDs, so option A is correct. They must also belong to the same OSPF area on the interfaces used to form the adjacency, making option B correct. Once adjacency reaches Full state, the routers have synchronized their link-state databases for that area, so option D is also correct.
Option C is incorrect because the OSPF process ID is only locally significant on a device. Two neighboring routers do not need to use the same process ID to establish adjacency. HCIA-Datacom teaches that OSPF neighbor formation depends on matching parameters such as area ID, network type, hello/dead timers, authentication settings, and subnet consistency, but not on the locally configured process number. This question is important because many learners mistakenly believe the process ID must match between devices, while in fact OSPF uses protocol parameters exchanged in packets rather than local process labels to form neighbor relationships.
NEW QUESTION # 47
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