In OSI model, each layer provide services to layer above, and ‘consumes’ services provided by layer below.
举一反三
- P12: ___________ work at the Network Layer(layer 3) of the OSI model and the Internet Layer of TCP/IP. A: Switches B: Routers C: Hubs D: Modems
- The lowest layer of Android architecture, Linux kernel (version 2.6), provides core system services, such as_____.
- 如下图,一名管理员ping默认网关发现如下输出,最有可能是那一层OSI出问题?() A: data link layer B: application layer C: access layer D: session layer E: network layer
- The _____________ does Not have Session or presentation layer on the top of the transport layer. A: Token Model B: OSI Model C: TCP/IP Model
- Flow control is one of the basic functions of the data link layer. Regarding flow control, which one is correct among following statements? A: Only the data link layer has flow control B: Not only the data link layer has flow control, but the flow control objects of each layer are the same C: Not only does the data link layer have flow control, but the flow control objects of each layer are different D: None of the above is right