Free Access Huawei.H12-111_V2.5.v2022-11-12.q118 Practice Test (Page 15)

Among the following communication technologies, which frequency band is in the SubG unlicensed frequency band? (multiple choice)

A.Lora

B.NB-loT

C.Sigfox

D.WIfI

Is the () module used in HuaweiLiteOS to receive messages of variable length from tasks or interrupts?

A.Queue

B.Mutex

C.Interrupts

D.Signal heavy

Huawei LiteOS Interconnection Framework provides () protocol stacks to achieve interoperA, Bility?

A.TCP/UDP

B.IP

C.All three are

D.CoAP

Different home appliances in the smart home come from different manufacturers, so they cannot exchange information.

A.Correct

B.Error

Among the options, what are the advantages of the JS framework ()? (Multiple choice)

A.Using high-level language A, Bstractions to show programming details

B.Simplify system integration across hardware platforms and middleware

C.Virtual machines provide language-based security

D.Compatible with a large number of existing third-party libraries to enrich platform functionality

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