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Network +, OSI
Open Systems Interconnect Model
| Question | Answer |
|---|---|
| Layer one of the OSI Model? | Physical |
| Layer two of the OSI Model? | Data Link |
| Layer three of the OSI Model? | Network |
| Layer four of the OSI Model? | Transport |
| Layer five of the OSI Model? | Session |
| Layer six of the OSI Model? | Presentation |
| Layer seven of the OSI Model? | Application |
| The Presentation layer in the OSI model is responsible for what? | Character-encoding schemes, such as ASCII. Formats and Encrypts Data |
| On which layer on the OSI model does ATM reside? | Layer 2 |
| The Physical Layer on the OSI model is responsible for what? | Dictating how the electrical impulses are encoded and placed on the wire. |
| The Transport layer in the OSI model is responsible for what? | end-to-end packet delivery across a network, flow control is also performed at this layer. Sets up formal conversation setup |
| Data Link in the OSI model is responsible for what? | Media Access Control, packages data into frames |
| The Session layer of the OSI model is responsible for what? | Synchronizing the Data exchange between applications on separate devices. Assigns logical ports |