H12-111_V2-5 practice question 15 of 25

Huawei IoT Gateway provides () uplink and downlink interfaces? (Multiple choice)

Full set: 176 questions

Answer options

A: Zigbee Correct answer

B: RF 6LoWPAN Correct answer

C: RS485 Correct answer

D: PLC Correct answer

E: eth Correct answer

F: 3G/LIT Correct answer

Correct Answer:

A. Zigbee; B. RF 6LoWPAN; C. RS485; D. PLC; E. eth; F. 3G/LIT

Explanation

Huawei's IoT gateways, such as those in the AR500 series, are designed for industrial and IoT scenarios and equipped with a comprehensive set of interfaces. They support various downlink (southbound) interfaces to connect with sensors and devices, including wireless options like Zigbee and RF 6LoWPAN, and wired options like RS485 and Power Line Communication (PLC). For uplink (northbound) connectivity to the network or cloud, they provide Ethernet (eth) and cellular (3G/LTE) interfaces. Therefore, all the listed technologies are valid interface options provided by Huawei IoT gateways.

Why Incorrect

All options are correct.

References

1. Huawei, HCIA-IoT V2.5 Training Material. (2020). Section 2.2.2, "IoT Gateway," describes the functions and interface types of gateways. It explicitly mentions that AR-series gateways support GE, 3G/LTE for uplink, and RS232/RS485, DI/DO, Zigbee, RF, and PLC-IoT for downlink.

2. Huawei, AR502H Series Edge Computing IoT Gateways Datasheet. This official product document lists the supported interfaces, including GE WAN/LAN, LTE, RS485, and support for various fieldbus cards like Zigbee and PLC-IoT, confirming all the listed options.

Keep practicing

Take the free H12-111_V2-5 practice test

Ten exam-style questions with answers and explanations, plus the exam facts and study guides.

Start the free practice test