Huawei
GB0-180 · Question #173
GB0-180 Question #173: Real Exam Question with Answer & Explanation
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Question
The main function of the physical layer is
Options
- ATo provide reliable information transfer mechanism
- BTo be responsible for error detection and provide the retransfer mechanism of information
- CTo be responsible for the physical and electric interface between the user-end equipment and the
- DTo set up and release the connection within the range of the network between the two
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