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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
Topic 2
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 3
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 4
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Topic 5
  • Network O&M and Troubleshooting: Covers network operation and maintenance practices, common diagnostic tools, and methodologies for identifying and resolving network faults.
Topic 6
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.

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Huawei HCIA-Datacom V2.0 Sample Questions (Q87-Q92):

NEW QUESTION # 87
In an IPv6 address, two or more consecutive groups of 0s can be compressed using a double colon (::), reducing the overall length of the address. For example, 2001:DBFF:130F:0:0:0:0:130B can be compressed to
2001:DBFF:130F::130B.

Answer: B

Explanation:
IPv6 text representation permits zero compression to make long addresses easier to read and write. One or more consecutive 16-bit groups containing only zeros can be replaced by a double colon, subject to the rule that the double-colon compression is used only once in a single IPv6 address; otherwise the number of omitted groups would be ambiguous. In the address 2001:DBFF:130F:0:0:0:0:130B, four consecutive zero groups appear between 130F and 130B. Replacing that run with :: produces 2001:DBFF:130F::130B, which expands back unambiguously to the original eight groups. Leading zeros within an individual 16-bit group can also be omitted, but that is a separate abbreviation rule. The example in the question follows valid IPv6 notation and does not alter the numeric address. Consequently, the statement that the address can be compressed in the manner shown is TRUE. The correct answer is A. The compression changes only the written representation of the IPv6 address; it does not change the underlying 128-bit address value itself in any way.


NEW QUESTION # 88
When a Huawei device functions as an SSH client to log in to another network device for the first time, the ssh client first-time enable command must be run to enable the first-time login function of the SSH client. Otherwise, the login fails.

Answer: B

Explanation:
The SSH client first-time authentication behavior on Huawei devices is not dependent on a mandatory "ssh client first-time enable" command. The SSH client can initiate first-time login by handling host key verification interactively or through default trust behavior depending on configuration, so login failure does not inherently occur without enabling this command.


NEW QUESTION # 89
When deploying a WLAN with the WAC + Fit AP architecture on a customer ' s live network, you find that APs fail to go online. Which of the following are possible causes? (Select all that apply)

Answer: A,B,C,D

Explanation:
Huawei ' s HCIA-Datacom WLAN training material describes several conditions necessary for successful Fit AP onboarding.
Option A is correct because APs require IP connectivity to communicate with the WAC and establish CAPWAP tunnels.
Option B is correct because Fat APs operate independently and do not use the centralized Fit AP management architecture unless their operating mode is changed.
Option C is correct because Huawei WACs require a CAPWAP source interface or source IP address for tunnel establishment.
Option D is correct because Fit APs normally require valid IP addresses before communicating with their WAC.
The DHCP configuration must therefore provide suitable IP addressing, gateway information, and any necessary WAC discovery information.
Successful AP onboarding depends on network connectivity, appropriate AP operating mode, WAC discovery, and CAPWAP tunnel establishment.
Therefore, all four options are correct.


NEW QUESTION # 90
Which of the following is the default value of the Router Dead Interval field in OSPF Hello packets on a broadcast network?

Answer: D

Explanation:
The default Router Dead Interval in OSPF is 40 seconds for broadcast and point-to-point networks. This interval defines the time period a router waits to receive hello packets before declaring a neighbor as down.


NEW QUESTION # 91
On the network shown in the figure, R1 serves as the gateway for PC2 and PC3, and directly connects to S1 through a physical link. GE1/0/1 on S1 is configured as a trunk interface and permits traffic of VLANs 2 and
3. Its PVID retains the default value. Which of the following statements are true if PC2 and PC3 can communicate with each other? (Select all that apply)

Answer: B,C,D

Explanation:
This scenario describes the classic router-on-a-stick inter-VLAN routing design. A single physical interface on R1 connects to switch S1, and multiple sub-interfaces are created on that physical interface to serve as gateways for multiple VLANs. Therefore, if R1 provides Layer 3 gateway functions for VLAN 2 and VLAN
3, sub-interfaces such as GE0/0/1.2 and GE0/0/1.3 must be configured, so option A is correct.
Because PC2 and PC3 are connected to switch S1, S1 learns their source MAC addresses dynamically and stores them in its MAC address table, making option B correct. R1 receives tagged frames from different VLANs on the trunk link and, through its sub-interfaces, can identify and terminate frames for VLAN 2 and VLAN 3, so option C is also correct. Option D is incorrect because hosts in different VLANs do not need to be connected to different physical switches; VLAN separation is logical, not necessarily physical. HCIA- Datacom uses this deployment to explain inter-VLAN communication, 802.1Q trunking, and flexible campus gateway design using limited router interfaces.


NEW QUESTION # 92
......

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