Frames of 1 kb are sent over a 1 mbps channel using a geostationary satellite whose propagation time from earth is 270 ms. acknowledgments are always piggybacked onto data frames and headers are very short. three-bit sequence numbers are used. what is the maximum achievable channel utilization for: (18 pts)a) stop-and-wait? b) go-back-n? c) selective repeat?

It is not a good idea in a cover letter to mention another person whom the employer knows.

What statement best describes operating systems? it’s possible for modern computers to function without operating systems. most operating systems are free or very inexpensive. operating systems are managed by the computer’s microprocessor (cpu). operating systems manage the computer’s random access memory (ram).

What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal