Networking第 45 / 100 题
How many layers are in the OSI networking model?
a.Seven
b.Four
c.Five
d.Nine
解析
The OSI (Open Systems Interconnection) model has seven layers: physical, data link, network, transport, session, presentation, and application. Each layer has a specific role in network communication. The model is a conceptual framework used to understand and troubleshoot networks.
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