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English Translations » 【工程软件技术】 » Cloud Computing Daily Question (Single-choice) 20170902

Cloud Computing Daily Question (Single-choice) 20170902

2017-09-02 View Original

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Which of the following statements does not belong to the functions of the physical layer in the OSI seven-layer protocol? A. Providing the mechanical, electrical, functional, and procedural characteristics required to establish, maintain, and dismantle physical links. B. Identifying the frame margins. C. Determining whether transmission occurs simultaneously in both directions. D. The number of pins in the network connector and the purpose of each pin
Reply #2 2017-09-02
C. Is transmission carried out simultaneously in both directions?

Translated at 2026-07-21 04:35:23

Original: https://bbs.hcbbs.com/thread-1839472-1-1.html

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