An IEEE802.11g with 54 Mbps has 58 byte MAC header and 50 byte IP header, the antenna has RXTXTurnaroundTime of 4.3 ms, - What is the time to start sending the frame p
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An IEEE802.11g with 54 Mbps has 58 byte MAC header and 50 byte IP header, the antenna has RXTXTurnaroundTime of 4.3 ms,
- What is the time to start sending the frame payload?
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- A 1 Mbps link is used to transfer packets of each 10,000 bits long. This includes 500 bits header. If the channel is error free and 270 msec is the signal propagation time from the source to destination, obtain the efficiency for, (1) Stop and wait protocol. (i) Sliding window protocol with window size of 500. (iii) Sliding window protocol with window size of 10.In a selective repeat sliding window protocol the bandwidth of the link is 10 Mbps. The size of the frame is 10 KB and the one-way delay is 100 msec. If the efficiency of the protocol is 60 % then the minimum number of sequence bits that are required for the protocol is?Identify the values of ToDS and FromDS in the 802.11 Mac data frame when Address 4 field has the sender address. Choose an answer A 0 and 1 B 0 and 0 C 1 and 0 D 1 and 1
- 1. A pure ALOHA network transmits 200-bit frames on a shared channel of 200 kbps.What is the throughput if the system(All stations together)produces 100 frame per second.(Hints:44.5; 10.5) 2. what is the vulnerable time frame size of pure ALOHA?If the time unit is P then find it out.[Hints: 2P;0.2P]The 802.11 variant with frequency-hopping spread spectrum encodes the duration of each station's existence within the beacon frames.Do all Bluetooth beacon frames contain identical information?What is the total delay (latency) for a frame of size 78 million bits that is being sent on a same link with 9 intermediate devices having a queuing time of 83 μs and a processing time of 93 μs? The length of the link is 2000 Km. The speed of carrier inside the link is 2.8 × 108 m/s
- In the 802.11 variant known as frequency hopping spread spectrum, the duration of each station's stay is included into its beacon frames.Do Bluetooth beacon frames share the same data as their Bluetooth counterparts?The distance from earth to a distant planet is approximately 9 x 10^10 m. What is the channel utilization if a stop-and-wait protocol is used for frame transmission on a 64 Mbps point-to-point link? Assume that the frame size is 32 KB and the speed of light is 3 × 10^8 m/s.The frequency hopping spread spectrum variant of 802.11 encodes the length of each station's existence within the beacon frames itself.Do all Bluetooth beacon frames include the same data?
- There's a good reason why an ARP inquiry travels in a broadcast frame. For what reason does an ARP reply have to be sent in a frame whose destination MAC address has already been set?Why do people of many ages and walks of life find themselves interested in computer science? In the 802.11 variant known as frequency hopping spread spectrum, the estimated amount of time that each station will continue to operate is contained in the beacon frame of each station.Is it possible to transmit data between a Bluetooth beacon frame and its counterpart that does not use Bluetooth?In a WiFi frame, we have 4 addresses instead of just 2 addresses (source and destination MAC). Draw a valid communication scenario to highlight the meanings of these 4 addresses. Also show when the To-DS and From-DS bits would change .
