#2.1 LAYERED TASKS #2.2 part1-LAYERS IN THE OSI MODEL #2.3 Transport layer #2.4 Application layer

#3.1 FRAMING #3.2 NOISELESS CHANNELS #3.3 NOISY CHANNELS #3.4 part1/Go-Back-N #3.5 Go-Back-N-part1/part2 #3.6 Selective Repeat ARQ-part1 #3.7 Selective Repeat ARQ-part2 #3.8 HDLC-part1 #3.9 HDLC-part2 #3.10 POINT-TO-POINT PROTOCOL #3.11 Multilink PPP

#4.1 ALOHA network #4.2 slotted ALOHA #4.3 Space/time model of the collision in CSMA #4.4 CSMA-CA #4.5 CONTROLLED ACCESS #4.6 CHANNELIZATION #4.7 Code-Division Multiple Access (CDMA) #4.8 Code-Division Multiple Access (CDMA) -part2

#5.1 mid1-Byte-stuff and Bit-stuff #5.2 mid1-maximum size windows #5.3 mid1-time-out and round trip delay #5.4 أختياري-ميد1 #5.5 Match layer-mid1 #5.6 true and false-ميد1 #5.7 mid1-packets and frames at the network #5.8 mid1-Sender and Receiver (go-back-n /SR/Stop and wait) #5.9 أختياري شبتر 3 #5.10 أختياري-ميد1 #5.11 أختياري-ميد1 #5.12 أختياري-ميد1 #5.13 mid1-Slide-windowes #5.14 Go-back-N- mid1 #5.15 Selective-repeat -mid1 #5.16 أختياري -ميد1 #5.17 true and false-ميد1 #5.18 Layer-mid1 #5.19 Physical +logical address #5.20 Stop and wait -mid1 #5.21 Frame length-mid2 #5.22 true and false -mid2 #5.23 pure ALOHA -mid2 #5.24 unicast and multicast-mid2 #5.25 domains-mid2 #5.26 ALOHA-mid2 #5.27 Frame Relay-mid2 #5.28 Frame Relay1-mid2 #5.29 DLCI-mid2 #5.30 DLCI1-mid2 #5.31 AAL1 -mid2 #5.32 أختياري-ميد2 #5.33 Short Answer-mid2 #5.34 Vulnerable time for pure ALOHA-mid2 #5.35 mid2-MAC #5.36 AAL3/4-mid2 #5.37 ALL/5-mid2 #5.38 part1-Sheet 6 #5.39 part2-Sheet 6 #5.40 part3-Sheet 6 #5.41 final #5.42 AAL1-final #5.43 ALL3-4-ex #5.44 AAL5

#6.1 IEEE STANDARDS #6.2 STANDARD ETHERNET #6.3 Categories of Standard Ethernet #6.4 CHANGES IN THE STANDARD #6.5 FAST ETHERNET #6.6 GIGABIT ETHERNET

#7.1 FRAME RELAY #7.2 ATM #7.3 ALL

#8.1 INTERNET WORKING #8.2 IPv4 #8.3 IPV4-example #8.4 Maximum transfer unit (MTU) #8.5 IPv6 #8.6 TRANSITION FROM IPv 4 TO IPv 6

#9.1 process-to-process #9.2 UDP #9.3 TCP-1 #9.4 TCP-2 #9.5 TCP-3 #9.6 SCTP