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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0-ENU |
| Real Exam Qty: | 60 |
| Exam Format: | Drag-and-drop, Multiple-choice, Multiple-response, Simulation |
| Exam Duration: | 90 minutes |
| Related Certifications: | HCIA-Datacom |
| Available Languages: | Chinese, English |
| Exam Price: | $200 USD |
| Passing Score: | 600/1000 |
| Certificate Validity Period: | 3 years |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Available at Pearson VUE test centers (offline) or online proctored exam. |
| Pre Condition: | No prerequisites required; candidates can register directly. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/Details/68381b0d8e534a6a9339761047279030 |
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NEW QUESTION # 13
The figure shows the simplified topology of an enterprise campus network. On this network, the aging time of dynamic MAC address entries on switches is 300 seconds. The administrator connects PC1 to GE1/0/1 of SW1, and PC2 successfully pings the IP address of PC1. The administrator disconnects the Ethernet cable of PC1 from GE1/0/1 of SW1, immediately connects the cable to GE1/0/2 of SW1, and connects GE1/0/1 of SW1 to another switch. Then, the administrator pings the IP address of PC1 from PC2. In this case, SW1 discards the data frame received from PC2.
Answer: A
Explanation:
Before PC1 is moved, PC2 successfully communicates with it, so SW1 learns PC1 ' s MAC address on GE1/0
/1. The dynamic MAC aging time is 300 seconds, and the cable move is performed immediately. Therefore, when PC2 sends the next frame to PC1, SW1 can still have the old destination MAC entry pointing to GE1/0
/1. The question then states that GE1/0/1 is connected to another switch, so the port remains physically usable.
SW1 follows the existing MAC table entry and forwards the frame out GE1/0/1 toward that new connection; it does not simply discard the frame. If PC1 subsequently transmits from GE1/0/2, SW1 can relearn the same source MAC on the new interface and update the entry, restoring correct forwarding. The core point is that dynamic MAC entries do not immediately disappear merely because the end station is physically moved when the original interface remains Up. Accordingly, the statement that SW1 discards the frame is FALSE, option B.
NEW QUESTION # 14
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: A
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 # 15
On the network shown in the figure, PC1 and PC4 belong to VLAN 10, and PC2 and PC3 belong to VLAN
20. The administrator has configured the vlan batch 10 20 command on both switches.
To enable Layer 2 communication between PCs in the same VLAN and isolate services between VLANs, match the following interface configurations with interfaces. (Tokens can be reused.)
Answer:
Explanation:
Explanation:
A, B, D, B, A, D
Interface-based VLAN assignment associates an incoming untagged Ethernet frame with the VLAN configured on its access interface.
On SW1, GE1/0/1 connects PC1 and therefore belongs to VLAN 10. GE1/0/2 connects PC2 and belongs to VLAN 20.
On SW2, GE1/0/1 connects PC3 and belongs to VLAN 20, while GE1/0/2 connects PC4 and belongs to VLAN 10.
The inter-switch interfaces GE1/0/3 must carry traffic belonging to both VLANs while preserving VLAN identification. Configuring these interfaces as hybrid ports with tagged forwarding for VLANs 10 and 20 achieves this requirement.
Using untagged forwarding for both VLANs on the inter-switch connection would remove their VLAN tags and prevent the receiving switch from reliably distinguishing the two VLANs.
NEW QUESTION # 16
Which of the following commands can be used to check OSPF routes in the global routing table?
Answer: A
Explanation:
To check OSPF-learned routes in the global IP routing table , the correct command is display ip routing- table protocol ospf , so option A is correct. This command filters the routing table and shows only the routes whose source protocol is OSPF. It is especially useful when verifying whether OSPF-learned routes have been successfully installed into the forwarding table after neighbor establishment and LSDB calculation.
Option B , display ospf peer, is used to check OSPF neighbor information and adjacency states, not the routing table. Option C , display ospf interface, shows OSPF-related parameters on interfaces such as timers, network type, and cost. Option D , display ospf routing, displays OSPF route information maintained by the OSPF process itself, but the question specifically asks about routes in the global routing table , which is the RIB used for actual forwarding decisions. HCIA-Datacom distinguishes between protocol-specific route information and the final routing table seen by the device. Understanding this distinction helps engineers verify whether a protocol has only learned topology information or has actually produced usable forwarding entries.
NEW QUESTION # 17
The traditional Fat AP networking usually applies to WLANs of small and micro stores. For a large-scale WLAN, the WAC + Fit AP networking is typically used. Which of the following statements are true about the WAC + Fit AP networking architecture? (Select all that apply)
Answer: A,C
Explanation:
In a WAC + Fit AP architecture, the WAC (Wireless Access Controller) centrally manages and controls the Fit APs, so option A is correct. Service configurations such as SSIDs, security policies, radio parameters, and access control are generally delivered from the WAC to the APs. The Fit AP mainly forwards wireless user traffic and executes the configuration issued by the controller.
Option D is also correct because a Fit AP provides 802.11 wireless access for stations (STAs) and serves as a bridge between the wireless side and the wired network. This is one of its basic roles in enterprise WLAN deployment. Option B is incorrect because users or administrators do not normally need to log in to each Fit AP individually to configure wireless services; centralized management by the WAC is the whole advantage of this architecture. Option C is incorrect because CAPWAP communication between the WAC and AP does not require Layer 2 adjacency ; the WAC and AP can communicate over Layer 3 as long as IP connectivity exists. HCIA-Datacom emphasizes centralized configuration, simplified operations, and scalable deployment as key benefits of WAC + Fit AP networking.
NEW QUESTION # 18
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