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- Two channels, one with a bit rate of 100 kbps and another with a bit rate of 200 kbps, are to be multiplexed: a) How this can be achieved? b) What is the frame duration? e What is the frame rate? What is the bit rate of the link? And Please be clear, couldn't understand a bit from the last two answered1. Suppose, there are two channels to multiplex, one bits from each source and use TDM with 180Kbps and 190Kbps. Pulse stuffing is allowed if requires. What is the size of a frame in bits? (a) 1(b) 2(c) 4(d) Not available 2. Which can not be an implementation area of FDM?* (a) Cable TV (b) FM Radio Broadcasting (c) First generation cell phones (d)Air band radioYou are designing the Wi-Fi for a classroom of 20 students and all students are using Wi-Fi at the same time. The protocol efficiency is 40% and the channel utilization is 80%. Each students uses a throughput of 2 Mbps. What is the minimum PHY rate requirement for the radio in Mbps?
- 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]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/sWhat are the differences between the following types of wireless channel impairments: pathloss, multipath propagation, interference from other sources?
- Earth to a distant planet is 9 x 10^10 m. A 64 Mbps point-to-point link using a stop-and-wait protocol for frame transfer has what channel utilization? Assume 32 KB frame size and 3 × 10^8 m/s light speed.explain and mention the difference between the following packet-switching using data gram and packet-switching using virtual circuits Selective-reject ARQ and Go-back-N ARQ internetwork and the Internetq2- What is the minimum number of bits in a PN sequence if we use Frequency Hopping Spread Spectrum (FHSS) with a channel bandwidth of B =4 KHz and Bss =200 kHz? Select one option: a. 6 b. 4 c. 5 d. 7 Clear my choice
- Use wireshark to capture packets on your network. Do some screen captures that illustrate the contents of ethernet, LLC, PDUs and mac frames.Consider a 10 km long broadcast LAN has 10^10 bps bandwidth and uses CSMA/CD. The signal travels along the wire at 2.5 x 10^8 m/s. What is the minimum packet size that can be used on this network? Correct answer will be appreciated , else downvoted.What are the differences between the following types of wireless channel impairments: path loss,multipath propagation, interference from other sources?