Most Recent Huawei H12-351_V1.0 Exam Questions & Answers

Prepare for the Huawei HCIE-WLAN (Written) V1.0 exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

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The questions for H12-351_V1.0 were last updated on Nov 17, 2024.

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Question No. 1

Which of the following types of non-Wi-R devices can be identified by Huawei APs? (Select All that Apply)

ABluetooth device

BZigBee device

CGame controller

D2.4 GHz wireless video and audio transmitter

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Correct Answer: A, B, D

Huawei APs can identify non-Wi-Fi devices that operate in the 2.4 GHz frequency band, such as Bluetooth devices, ZigBee devices, game controllers, wireless video and audio transmitters, microwave ovens, cordless phones, and baby monitors.

Question No. 2

In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)

AThe batch backup process cannot be started.

BA master/backup switchback is triggered too quickly.

CBackup information is incomplete.

DService data on the master and backup WACs is lost.

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Correct Answer: B, C

According to the Huawei documents and resources, the VRRP preemption delay is the time that an AC waits before preempting another AC with a lower priority. If the VRRP preemption delay is set to a small value, the following problems may occur after a master/backup switchover:

b) A master/backup switchback is triggered too quickly. If the master AC recovers soon after a switchover, it may preempt the backup AC again and become the master AC.This may cause frequent switchovers and affect network stability1.

c) Backup information is incomplete. If the backup AC takes over services from the master AC too quickly, it may not have received all the data synchronized from the master AC through HSB.This may cause service interruption or data loss2.

Therefore, B and C are the correct answers. Reference:1: https://support.huawei.com/enterprise/en/doc/EDOC1100064368/80fc2ebd/example-for-configuring-vrrp-hsb2: https://support.huawei.com/enterprise/en/doc/EDOC1100096325/1a753937/vrrp-hsb-configuration

Question No. 3

Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)

AThe positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.

BTerminals learn from each other to form a fingerprint library that can be shared.

CAPs collect surrounding environment information to form a fingerprint library.

DThe fingerprint map is obtained through onsite information collection.

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Correct Answer: A, D

Fingerprint-based positioning technology is a method that uses the signal strength or phase difference of wireless signals to locate objects. There are two types of fingerprint-based positioning technology: virtual fingerprint-based positioning and real fingerprint-based positioning. In virtual fingerprint-based positioning, the positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information. In real fingerprint-based positioning, the fingerprint map is obtained through onsite information collection.

Question No. 4

Which of the following components is not included In a typical RFID system?

AInformation processing platform

BRFID tag

CRouter

DRFID reader

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Correct Answer: C

A router is not included in a typical RFID system. A typical RFID system consists of three components: RFID tag, RFID reader, and information processing platform. The RFID tag is attached to the object to be identified, the RFID reader communicates with the tag and reads its information, and the information processing platform processes and stores the data collected by the reader.

Question No. 5

Which of the following statements about the access layer design are true when Huawei's CloudCampus Solution is applied to small and midsize campus networks? (Select All that Apply)

AIn the mini-store scenario, APs and egress devices must be deployed if Wi-Fi coverage is required. APs cannot directly connect to egress links and do not support NAT.

BWhen selecting a switch, ensure that the following condition is met; Number of connected APs x AP power ^ Power provided by the PoE switch. Therefore, select PoE switches with a proper power supply based on the AP model and quantity.

CSelect appropriate models of access switches based on whether PoE support is required and how many APs need to access the network.

DFor relatively large networks in midsize shopping malls, supermarkets, and primary/secondary education campuses, it is recommended that stack networking be used at the access layer. If a single device can provide sufficient access capacity for downstream terminals, single-device networking can be used at the access layer. If the upstream devices of access-layer devices are stacked, it is recommended that Eth-Trunks be used to connect to such upstream devices. If more APs need to be deployed, use the PoE switch to increase the number of APs to be connected.

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Correct Answer: B, C

A is false because in the mini-store scenario, APs can directly connect to egress links and support NAT if Wi-Fi coverage is required. There is no need to deploy egress devices separately.

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