OSI Layers Word Scramble
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Question | Answer |
Application | Network services to the software applications: Redirectors (network service) |
Presentation | Formats the data/syntax negotiation: agree on a common language Encryption: Scrambles the data to be unreadable File compression: data is replaced by symbols/characters |
Session | sets up session, maintains communication, terminates the session |
Transport | Segments: segments(src) and reassembles(dest) the data using sequence numbers Connection oriented(TCP): three way handshake(Syn, Syn/Ack, Ack) Connectionless(UDP): no retransmissions or ACKs, thus unreliable Reliability/error recovery Flow Control |
Network | Handles logical addressing(i.e. IP Addressing) Routing: best path determination |
Data Link | LAN 2 sublayers(ethernet) Logical Link Control: upper layer helps identify the layer 3 portal Media Access Control: provides access to the media(broadcast/contention based, token passing) Provides a physical address(Ethernet(LAN):MAC address, Frame |
Physical | Electrical, mechanical, functional process of encoding/decoding bits onto the medium |
Created by:
farmerj
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