Free Access Huawei.H12-111_V2.5.v2022-03-07.q101 Practice Test (Page 20)

Question 91

Which of the following descriptions about ZigBee is wrong?

A.ZigBee is a long-distance, low-power wireless communication technology

B.ZigBee works in the unlicensed frequency band

C.ZigBee is widely used in industrial and smart home fields

D.ZigBee low-power local area network protocol based on IEEE802.15.4 standard

Question 92

The key requirements of smart parking are to reduce operating costs, improve the lack of parking spaces, the low utilization rate and the rare situation of parking.
Consider user experience Network cost and network reliability.

A.True

B.False

Question 93

NB-IoT uses () technology for uplink and downlink respectively?

A.GMSK, SCFDMA

B.SCFDMA, OFDM

C.OFDM, GMSK

D.SCFDMA, PSK

Question 94

In the Huawei IoT gateway Zigbee and 6LoVPAN technology, the network structure is as follows ()?

A.Point to point

B.star

C.MESH

D.Ring

Question 95

What is the main role of Industrial Internet of Things as a convergence device for local networking in providing edge computer capabilities?

A.Support edge intelligent analysis and processing

B.Private security domain

C.Ensure real-time local response

D.Data aggregation

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Question 91

Question 92

Question 93

Question 94

Question 95

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