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The HCIP-Datacom-Core Technology V1.0 exam is a comprehensive test that covers a range of topics related to data communication. H12-821_V1.0 Exam includes questions on subjects such as network architecture, network protocols, network management, and network security. It is designed to test the candidate's ability to understand and apply the core concepts of data communication in practical situations.

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) exam is a certification test that validates the skills and knowledge of professionals in data communication and related technologies. H12-821_V1.0 exam covers a wide range of topics, including the OSI model, TCP/IP protocols, routing and switching technologies, network security, and virtualization technologies. Passing H12-821_V1.0 Exam is an essential step for professionals who want to advance their careers in data communication technology.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q33-Q38):

NEW QUESTION # 33
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

A. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.
B. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
D. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.

Answer: D

NEW QUESTION # 34
Roaming technology is typically used on a large WLAN to ensure that STA (station) services are not interrupted when STAs move between coverage areas of different APs.

A. TRUE
B. FALSE

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* Wireless LAN (WLAN) roaming allows mobile devices (STAs) to move seamlessly between different APs without dropping connections.
* Types of WLAN Roaming:
* Layer 2 roaming # STAs move between APs in the same subnet without IP address changes.
* Layer 3 roaming # STAs move across different subnets, requiring IP address reconfiguration (handled via DHCP or tunneling).
* Since roaming prevents service interruption in large WLAN deployments, the statement is true.
# Reference: Huawei HCIA-Datacom Study Guide, WLAN Roaming and Seamless Connectivity.

NEW QUESTION # 35
In an IPv4 address space, Class D addresses are used for multicast. Among Class D addresses, which of the following is the permanent group address range reserved for routing protocols?

A. 239.0.0.0 to 239.255.255.255
B. 224.0.0.0 to 224.0.0.255
C. 224.0.1.0 to 231.255.255.255
D. 232.0.0.0 to 232.255.255.255

Answer: B

Explanation:
Permanent Group Addresses for Routing Protocols
The range 224.0.0.0 to 224.0.0.255 is reserved for local network protocols, including routing protocols.
Examples include OSPF (224.0.0.5/6) and RIP (224.0.0.9).

NEW QUESTION # 36
Which of the following fields is not included in the LS Request message?

A. Database Description Sequence Number
B. Link state type
C. Link State ID
D. Advertising Router

Answer: A

NEW QUESTION # 37
IGMP SSM Mapping statically binds the multicast source to the multicast group, so that group members of IGMPv1 and IGMPv2 can also access the SSM multicast network. Which of the following descriptions about IGMP SSM Mapping is wrong?

A. Statically configure the mapping rules of the SSM address on the IGMP querier, and map the group joining information in the IGMPv1 or IGMPv2 member report to the group leaving information
B. If the IGMP SSM Mapping function is not enabled, neither IGMPv1 nor IGMPv2 support the deployment of multicast in SSM mode
C. The address of the multicast group of SSM is 232.0.0.0~232.255.255.255
D. IGMP SSM Mapping does not process IGMPv3 report messages. In order to ensure that hosts running any version of IGMP on the same network segment can get SSM services, it is necessary to run IGMPv3 on the multicast router interface connected to the network segment where the member hosts are located.

Answer: A

NEW QUESTION # 38
......

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