A+ OSI Model
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| Physical layer | Bits over a physical medium (wires, cables, etc.)
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| Data link layer | How data moves in the physical link of a network (measured in frames).
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| Network layer | Decides which path data will take (packets).
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| Transport layer | Data transmitted using TCP and UDP.
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| Session layer | Maintains the connection between communicating ports sending data.
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| Presentation layer | Ensures data is in the correct format, and where encryption occurs.
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| Application layer | Human-computer interaction layer just below the application itself, where applications can access network services.
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| Mnemonic | Please Do Not Teach Stupid People Acronyms
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
yiriz
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