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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Certificate Validity Period: | 3 years |
| Exam Price: | 200 USD |
| Passing Score: | 600/1000 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Real Exam Qty: | 60 |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Exam Format: | Short Response Item, Multiple-answer Question, True or False, Single-answer Question, Drag and Drop Item |
| 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 |
Huawei H12-811_V2.0 study materials provide a promising help for your H12-811_V2.0 exam preparation whether newbie or experienced exam candidates are eager to have them. And they all made huge advancement after using them. So prepared to be amazed by our HCIA-Datacom V2.0 H12-811_V2.0 learning guide!
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NEW QUESTION # 125
When configuring wireless services on a Huawei WAC, you need to configure a service VLAN to ensure the proper transmission of data packets from STAs. In which of the following profiles is the service VLAN configured?
Answer: A
Explanation:
On a Huawei WAC, the VAP profile is the profile that brings together the service attributes required to instantiate a wireless service on an AP radio. The service VLAN is configured in this VAP profile using the service-vlan command. The VAP profile can also reference an SSID profile and a security profile and can define the data forwarding mode, allowing the wireless service to map associated STA traffic into the correct wired VLAN. The SSID profile primarily defines the WLAN name and related SSID behavior. The security profile defines authentication and encryption policies such as WPA/WPA2/WPA3 parameters. The regulatory domain profile controls radio regulatory settings such as country-specific channel and transmit-power constraints. None of those profiles is the location in which the service VLAN itself is defined. Huawei configuration examples explicitly show the administrator entering the VAP profile view and then applying service-vlan vlan-id or a VLAN pool. Therefore, the correct choice is C, VAP profile.
NEW QUESTION # 126
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 # 127
DAD enables a node to detect whether an IPv6 address is already in use by another node before assigning it to an interface. This ensures that duplicate unicast addresses do not exist on a network. Which of the following packets are used for DAD? (Select all that apply)
Answer: A,D
Explanation:
Duplicate Address Detection (DAD) is an IPv6 mechanism used to verify that a unicast address is not already in use before the address is assigned to an interface. DAD is implemented using Neighbor Solicitation (NS) and Neighbor Advertisement (NA) messages, which are part of the ICMPv6 Neighbor Discovery protocol.
Therefore, options A and D are correct.
When a host wants to verify a tentative IPv6 address, it sends an NS message for that address. If another node on the link is already using that address, that node responds with an NA message, indicating the address is duplicated and cannot be assigned. If no NA is received within the required period, the host assumes the address is unique and can use it. Options B and C are incorrect because Router Solicitation (RS) and Router Advertisement (RA) are used for router discovery, prefix advertisement, and stateless address autoconfiguration, not for DAD itself. HCIA-Datacom emphasizes the distinction between Neighbor Discovery functions, including address resolution, next-hop reachability, router discovery, and duplicate address detection in IPv6 networks.
NEW QUESTION # 128
Given the following routing table, what is the source IP address used by R1 when sending an ICMP packet to ping 10.0.3.3?
Answer: B
Explanation:
When R1 sends an ICMP echo request, it selects the outgoing interface based on the routing table. The route to 10.0.3.3 uses the next hop 10.0.23.3 via GE0/0/2. Huawei devices use the IP address of the egress interface as the source IP for locally generated packets. GE0/0/2 has the address 10.0.23.2, so this is used as the source IP.
NEW QUESTION # 129
On a campus network, SW1, an access switch, has 24 downlink Interfaces, all of which belong to VLAN 1 by default. The administrator adds interfaces 1 to 8 of SW1 to VLAN 2 and interfaces 9 to
16 to VLAN 3, and retains the default VLAN for other interfaces. In this case, all downstream devices connected to SW1 belong to the same broadcast domain.
Answer: B
Explanation:
VLANs define separate broadcast domains. In this case, interfaces are divided into VLAN 1, VLAN 2, and VLAN 3, so downstream devices connected to SW1 are distributed across multiple VLANs. Devices in different VLANs belong to different broadcast domains, meaning the entire switch does not form a single broadcast domain.
NEW QUESTION # 130
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