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H12-891_V1.0 Test Centres | H12-891_V1.0 Real Dumps Free

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Huawei H12-891_V1.0 exam covers a wide range of topics, including network planning and design, network implementation and maintenance, network security and management, and network optimization. H12-891_V1.0 exam is designed to test the candidate's ability to analyze complex network requirements, design and configure network solutions, troubleshoot network issues, and optimize network performance. Passing H12-891_V1.0 exam demonstrates the candidate's expertise in advanced data communication technologies and their ability to design, deploy, and manage large-scale network infrastructures.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a challenging test that requires extensive preparation and study. H12-891_V1.0 exam consists of both theoretical and practical components, which means that candidates must have hands-on experience in designing and implementing data communication networks. To pass the exam, candidates must be familiar with the latest networking technologies and best practices, and must be able to apply this knowledge to solve real-world problems.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a globally recognized certification program provided by the Huawei Technologies Co., Ltd. HCIE-Datacom V1.0 certification program aims to certify the skills and expertise of individuals in the field of data communications. HCIE-Datacom V1.0 certification exam ensures that individuals possess the knowledge and skills required to configure, operate, and troubleshoot complex enterprise-level data communication networks.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q76-Q81):

NEW QUESTION # 76
QinQ technology is a technology that extends the VLAN space by adding a layer of 8021Q tag messages to the extended VLAN. The function of space, the following statement about QInQ is mispronounced?

A. QinQ technology enables private VLANs to pass through the public Network
B. QinQ increases the number of VLANs to 4095*4095
C. basic QinQ is implemented based on the interface orientation
D. Flexible QinQ can be based on different inner layerS Tag and different outer layers of Tag, for user VL The division of AN is more granular

Answer: B

NEW QUESTION # 77
When deploying the ISIS protocol in an IPv6 environment , the following statement is correct (single choice).

A. In broadcast networks, IPv4 and The DIS priority for IPv6 can be set separately
B. In the same broadcast network. If each router supports both IPv4 and IPv6 The DIS for IPv4 and IPv6 must be the same device
C. By default, the DIS priority for broadcast network interfaces at Level-1 and Level-2 is 1
D. IS-IS is configured under the finger port is ISIS silent, this interface will not send ISIS packets, but will receive ISIS packets

Answer: B

NEW QUESTION # 78
Portal authentication is recommended for scenarios with high mobility and numerous terminal types, such as shopping malls and supermarkets. MAC address authentication is recommended for dumb terminals that do not support Portal authentication, such as printers, fax machines, and IP phones.

A. TRUE
B. FALSE

Answer: A

Explanation:
Portal Authentication vs. MAC Authentication
# Portal Authentication
* Used in high-mobility environments (e.g., shopping malls, hotels, and public Wi-Fi hotspots).
* Users authenticate via a web portal before gaining network access.
* Supports multiple device types (smartphones, laptops, tablets, etc.).
# MAC Address Authentication
* Used for dumb devices that cannot perform interactive authentication (e.g., printers, IP phones, cameras).
* The network authenticates devices based on their MAC addresses automatically.
* Often used in enterprise LANs to ensure unattended devices get network access securely.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei CloudCampus Authentication Guide - Portal and MAC Authentication
* HCIE-Datacom Training Material - Access Control Mechanisms

NEW QUESTION # 79
You need to access the subnets of different VPNs in the VXLAN network , such as information about one subnet Bottom: RT=10:1ORT.100:1000 Export 1000 in EVPN instance and RT-100-100 in VPN instance.
Which of the following can be basketed for another subnet?

A. EVPN implements 1000:1000 export
B. 1000:1000 appears in VPN instances
C. All EVPN instances are 1000:1000
D. In VPN instances, it is 10:10

Answer: A,B

NEW QUESTION # 80
Man-in-the-middle attacks (MITM) or IP/MAC Spoofing attacksare common onintranetsand can causeinformation leakage.
Which configuration method can prevent these attacks?

A. Limit the maximum number of MAC addresses that can be learned on a switch interface.
B. Configure association between DHCP snooping and IPSG or DAI on the switch.
C. Configure the trusted or untrusted interface.
D. Configure DHCP snooping to check the CHADDR field carried in a DHCP Request packet.

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
#The Best Protection Against MITM and Spoofing Attacks:
#(D) Associating DHCP Snooping with IPSG (IP Source Guard) and DAI (Dynamic ARP Inspection) providescomplete protectionby:
Blocking rogue DHCP servers.
Preventing MAC/IP spoofing.
Ensuring only valid clients access the network.
#Why Not Other Options?
#(A) Configuring trusted/untrusted interfacesonly helpsblock rogue DHCP servers, but does not prevent spoofing.
#(B) Limiting MAC address learningprevents MAC flooding, but does not stopMITM attacks.
#(C) Checking the CHADDR field in DHCP Snoopinghelps detectspoofed requests, but does not block all MITM scenarios.
#Reference:Huawei HCIE Datacom - Security Mechanisms for Intranet Protection

NEW QUESTION # 81
......

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