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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Exam Format: | Drag and Drop Item, True or False, Short Response Item, Single-answer Question, Multiple-answer Question |
| Real Exam Qty: | 60 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Price: | 200 USD |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Recommended Training: | Huawei HCIA-Datacom Training Course |
| Exam Registration: | Huawei Official Certification Pearson VUE Registration |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites |
| Official Syllabus URL: | https://e.huawei.com/en/training/certification/exam/h12-811_v2.0 |
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NEW QUESTION # 33
On a campus network, if two switches are directly connected through three physical links, you can configure either STP or link aggregation to improve network reliability. These two functions are mutually exclusive, meaning only one of them can be configured on a device at a time.
Answer: B
Explanation:
STP and link aggregation are not mutually exclusive technologies. They solve different problems and can coexist on the same switch. Link aggregation combines multiple physical Ethernet links into a logical Eth- Trunk, increasing available bandwidth and providing member-link redundancy. STP or a related spanning-tree protocol prevents Layer 2 loops by calculating a loop-free active topology and can treat an Eth-Trunk as a logical interface. In a well-designed campus network, several physical links between two switches may first be aggregated into one Eth-Trunk, while STP operates over that logical link together with other Layer 2 paths.
Conversely, if separate redundant links are not aggregated, STP may block one or more paths to prevent a loop. Choosing link aggregation can use parallel member links more efficiently than allowing STP to block individual links, but enabling one function does not prohibit use of the other elsewhere on the device.
Therefore, the assertion that only STP or link aggregation can be configured on a device at one time is incorrect. The verified answer is FALSE, option B.
NEW QUESTION # 34
Which of the following protocols cannot be used for accounting between an AAA client and an AAA server?
Answer: A,D
Explanation:
RADIUS and HWTACACS are AAA protocols that support accounting functions in addition to authentication and authorization. Accounting records can be used to track login sessions, service usage, command activity, or other information required by the deployment. LDAP and Microsoft Active Directory, by contrast, are directory-based identity technologies. Huawei documentation describes LDAP/AD integration primarily for authentication and authorization by querying directory information and validating user credentials. They are not used as the native AAA accounting protocol between a Huawei AAA client and an AAA server in the same way as RADIUS or HWTACACS. Therefore, when the question asks which listed protocols cannot be used for accounting between the AAA client and AAA server, AD and LDAP are the appropriate selections. RADIUS explicitly carries accounting messages, and HWTACACS also separates and supports authentication, authorization, and accounting functions. The source file leaves the answer blank, but the Datacom AAA model supports a verified answer of B and D.
NEW QUESTION # 35
After the root bridge is elected on an STP network, which of the following parameters may be compared by ports on non-root bridge nodes to elect the root port? (Select all that apply)
Answer: A,B,C,D
Explanation:
On a non-root bridge, the root port is the port that receives the best BPDU toward the root bridge. STP selects the root port by comparing several parameters in order. The first important parameter is the root path cost (RPC) , so option B is correct. If multiple ports have the same RPC, the switch then compares the bridge ID (BID) of the upstream device sending the BPDU, making option C correct. If those are still equal, the switch compares the port ID (PID) of the upstream sending port, so option D is also correct.
If all of those values remain identical from the switch's perspective, the device can finally compare the local port ID to determine which local interface becomes the root port, so option A is also correct. HCIA-Datacom teaches this comparison logic as part of STP election rules. The process ensures deterministic selection of a single root port on every non-root switch. Understanding the comparison sequence is essential for predicting STP topology behavior and for influencing port roles through path cost tuning or bridge-priority adjustments during campus network design and troubleshooting.
NEW QUESTION # 36
When planning IPv4 addresses for a campus network, which of the following methods can you use to assign an IP address to the interface connecting the campus egress device to the WAN?
(Choose all that apply.)
Answer: B,C,D
Explanation:
For IPv4 WAN-facing interfaces in campus networks, valid address assignment methods include static configuration, DHCP-based dynamic allocation, and PPPoE for access authentication and address assignment in broadband scenarios. These are all standard IPv4 mechanisms for obtaining or configuring IP addresses on WAN interfaces.
SLAAC is an IPv6 stateless auto-configuration mechanism and is not used for IPv4 address assignment, so it is not applicable in this context.
NEW QUESTION # 37
The network administrator performs the configuration shown in the figure on SW1 and SW2.
Which of the following statements are false about this scenario? (Choose all that apply.)
Answer: A,B,D
Explanation:
PC1 is in VLAN 1 and PC2 is in VLAN 3 on SW1, so they are in different VLANs and cannot communicate at Layer 2.
PC1 and PC3 are both in VLAN 1, but VLAN 1 traffic is not allowed on the trunk link, so communication between switches for VLAN 1 traffic is blocked.
PC2 is in VLAN 3 while PC3 is in VLAN 1, so they are in different VLANs and cannot communicate at Layer 2.
PC2 and PC4 are both in VLAN 3, and VLAN 3 is permitted across the trunk, so they can communicate successfully.
NEW QUESTION # 38
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