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26 Cards in this Set
- Front
- Back
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What is layer 1 of the OSI model? |
Physical Layer |
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What is layer 2 of the OSI model? |
Data Link Layer |
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What is layer 3 of the OSI model? |
Network layer |
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What is layer 4 of the OSI model? |
Transport layer |
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What is layer 5 of the OSI model? |
Session layer |
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What is layer 6 of the OSI model? |
Presentation layer |
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What is layer 7 of the OSI model? |
Application layer |
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What is the function of the Physical layer? |
Provides the electrical and mechanical connection to the network |
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What are examples of technology working in the layer 1? |
Electronic Industries Alliance/Telecommunications Industry Association, UTP, Fiber, and NIC cards |
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The Data link layer is also know as? |
The media access control layer |
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The Data Link layer also defines what? |
Mac addressing |
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What is the function of the Data Link layer? |
Handles error control recovery, synchronization (flow control), and sequencing (which ports are receiving and which are sending) |
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What is the function of the Network layer? |
Accepts outgoing messages and combines messages or segments into packets, adding a header that includes routing information. |
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What are examples of protocols working in the Network layer? |
Internet Protocol (IP) and Internetwork Packet Exchange (IPX) |
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The Network layer also acts as what? |
The network controller |
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What is the function of the Transport layer? |
Is concerned with message integrity between source and destination. |
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What else does the Transport layer do? |
segments/reassembles the packets and handles flow control. |
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What are examples of protocols working in the Transport layer? |
TCP Transmission Control Protocol and User Datagram protocol (UDP) |
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What is the function of the Session layer? |
Provides the control functions neccessary to establish, manage, and terminate the connections to satisfy the user request |
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What are examples of technologies working in the Session layer? |
Network File System (NFS) and Structured Query Language (SQL) |
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What is the function of the Presentation layer? |
Accepts and structures the message for the application, translating if neccessary |
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The Presentation model is also responsible for what? |
Data compression and encryption |
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What are examples of technologies working in the Presenation layer? |
American Standard Code for Information Interchange (ASCII) and Joint Photographic Experts group (JPEG) |
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What is the function of the Application layer? |
Interacts with applications that incorporate a communication component such as your Internet browser or email. |
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What are the responsiblities of the Application layer? |
Logging the message in, interpreting the request, and determining what information is needed to support the request |
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What are examples of technologies working in the Application layer? |
HTTP for web browsing, FTP for file tranferring, and SMTP for email transmission |
