Midterm Review 1 Introduction Basic terminology and concepts concepts Physical Layer Time and frequency domains Bandwidth and data rate Analog and digital transmission Simplex half duplex and full duplex transmission Midterm Review 2 Physical Ph i l L Layer cont d t d Transmission impairments Decibel Decibel S N ratio Channel capacity capacity Nyquist Shannon Types properties advantages disadvantages of media Copper UTP Cat 3 Cat 5 Fiber Midterm Review 3 Physical Layer cont d Data encoding Analog to digital A l t di it l Time sampling amplitude quantization Digital to analog Digital to analog Data reconstruction Transmission modes Synchronous Asynchronous Midterm Review 4 Data Link Layer Error Flow Control Framing Error detection correction schemes Parity Hamming distance CRC polynomial encoding Flow control Midterm Review 5 Flow Control Acknowledgement Stop S and Wait PAR ARQ Sliding Slidi Wi Window d Piggybacking go go back n Pipelining Selective repeat Bit Length of a Link Assume link is fully occupied 1st bit is just arriving at the receiver sender has sent continuously R data rate bps d distance length of link meters V propagation velocity meters second 2 3 x 108 meters second Bit length Rd V bits Midterm Review 6 DLL MAC protocols Static Dynamic Multiplexing Multiplexing Frequency Division Multiplexing FDM Time Division Time Division Multiplexing TDM TDM Statistical Time Division Multiplexing STDM STDM Midterm Review 7 LANs Protocol P t l architecture hit t Ethernet 802 3 design parameters length frame size standards reasons Frame format not details LAN ttopologies l i Midterm Review 8 MAC Centralized and distributed control Synchronous and asynchronous Asynchronous MAC Round robin reservation and contention LLC for LANs Midterm Review 9 MAC protocols Contention C t ti ALOHA and Slotted ALOHA CSMA CSMA CD Token Passing Token bus Token ring Midterm Review 10 Ethernet Cabling Manchester encoding Backoff Switched Performance speed length High Speed LANs FDDI Fast Ethernet Gigabit Ethernet Midterm Review 11 Wireless LANs Hidden station problem MACA MACAW RTS CTS Frames Fragments Midterm Review 12 LAN iinterconnection t ti Interconnection schemes and devices Bridges VLAN Routing with bridges transparent bridges Fixed routing Spanning tree Source routing Route discovery Address learning Backward learning Encapsulation Application pp data TCP header IP header MAC header LLC header MAC trailer LLC PDU MAC frame TCP segment IP datagram Summary X X X Channel allocation methods and systems for a common channel
View Full Document
Unlocking...