The main difference between synchronous and asynchronous transmission is
Options
A. the clocking is derived from the data in synchronous transmission
B. the clocking is mixed with the data in asynchronous transmission
C. the pulse height is different.
D. the bandwidth required is different
E. None of the above
Correct Answer
the clocking is derived from the data in synchronous transmission
Networking problems
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1. A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?
Correct Answer: Batch processing is the preferred processing mode for telecommunication operations
3. A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.
5. Information systems with common hardware, software, and network standards that provide easy access for end users and their networked computer systems. Select the best fit for answer:
10. Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?