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12 Cards in this Set
- Front
- Back
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OSI Model |
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What is OSI stand for? |
Open System Interconnect |
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OSI layers(Sausage Pizza) |
1. Physical Layer 2. Data Link Layer 3. Network Layer 4. Transport 5. Session 6. Presentation 7. Application |
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What is the Application Layer and some examples |
Def. Application Interface to network Services Examples: HTTP. POP/IMAP, SMTP, DNS, TELNET, SMB |
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what is the Presentation Layer? |
Translates the application layer data to an intermediate form that provides security, encryption, and compression for data |
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What is Session layer? |
Establishes and controls data communication between applications operating on different computer |
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What is the Transport Layer and some examples of what that does?
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Transport - divides long communications into smaller packages(fragments), handles error correction and acknowledges the receipt of data
Examples. Segmentation, sequencing, acknowledgements and Checksums |
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What is the Network Layer?
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Address data messages and handles message router
* Protocol addresses * Datagrams |
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What is link Layer and what are the 2 sub layers
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Packages bits of data from the physical layer i MAC- Media Access Control LLC-Logical Link Control |
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On the L2 what does the MAC do?
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Media Access Control creates and addresses the frame |
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On the L2 layer what does LLC do? |
Logical Link Control is the aspect of the NIC that talks to the system's operating system (via drives). The LLC handles multiple network protocols and provides flow control. |
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TCP/IP what is it and what layer is it on? |
Transmission Control Protocol/ Internet Protocol. is found on L3(Internet) |
