In the 802.11 MAC data frame, there are 4 different combinations of ToDS and FromDS. what are those define it.
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In the 802.11 MAC data frame, there are 4 different combinations of ToDS and FromDS. what are those define it.
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- Computer Science A 10-Mb/s Classic Ethernet transmits data packets obtained from the Network Layer. Assume for simplicity that the obtained data packets are directly placed into the MAC Ethernet frame, i.e. that no extra bytes are added in the LLC sub-layer.Efficiency Principle:Ethernet V1 access protocol was designed to run at 10 Mbps over 2.5 Km using 1500 Byte packets. This same protocol needs to be used at 100 Mbps at the same efficiency (utilization). What distance can it cover if the frame size is not changed? (Note: be careful with the units.When it comes to Ethernet frames, what is the shortest possible size?
- An Ethernet MAC sublayer receives 1510 bytes of data from the upper layer. Can the data be encapsulated in one frame? If not, how many frames need to be sent? What is the size of the data in each frame?Explain the OSI layer's operation and its seven protocols.The Frame Check Sequence (FCS) is implemented in Ethernet using a technique known as Cylic Redundancy Check (CRC). Is it true or false?
- Design an Ethernet network to connect a single client PC to a single server. Both the client and the server will connect to their respective workgroup switches via UTP. Their workgroup switches are connected directly by a trunk link. The two switches are 900 meters apart. They need to communicate at 800 Mbps. Your design will specify the locations of any switches and the transmission link between the switches. Then add another client next to the first client. This client will also communicate with the server and will also need 800 Mbps in transmission speed. Again, your design will specify the locations of switches and the transmission link between the switches.2. In the Ethernet packet, the "Data" part is used to contain data send from source to destination and vice versa. The minimum number of data bytes is 46; what if the data is less by 2 bytesA CSMA/CD LAN has minimum frame size 100 bytes and is running at 100 Mbps. The signal speed in the cable is 200,000 km/sec and the delay generated by the repeaters can be ignored. What is the maximum size the bus can have? (Note: ignore signal attenuation).
- Use a diagram to illustrate the four-way handshake protocol for channel reservation in IEEE 802.11 (i.e., WiFi). Please indicate the name of each frame, and also the idle period before each frame is transmitted. (Tips: the protocol used is CSMA/CA with RTS/CTS.)What does it mean for a Zigbee frame to be "super" according to standard 802.15.4?Within Ethernet protocol, which address type is most significant?