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1. Twenty voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required (in bps) if synchronous time division multiplexing is used, along with the standard analog-to-digital sampling rate, and each sample is converted into an 8-bit value?
When a message travels from source to destination through two routers, how many times the message M is modified before it reaches to the destination as M. Show your work to determine this number.
What are some immediate differences in the two protocols? Does IPv6 provide operational improvement, as well as increased address space?
Coaxial cable is two-wire transmission system, determine the advantage of connecting outer conductor to ground? Explain the two layers: LLC & MAC.
Develop a thesis statement pertaining to social networking. Identify writing strategies (mind mapping, brainstorming, and free writing)for developing the thesis and summarize experiences.
Segmentation of a file and forming FTP datagrams: Read first 'x' number of bytes and use them as part of payload section of an FTP datagram. Encapsulate the FTP datagram into TCP datagram (generation of TCP packets)
The main memory of a computer is organized as 128 blocks, with a block size of 16 words. The cache has eight block frames. Illustrate direct mapping and address bits that recognize the tag field, the block number, and the word number.
How would you control the process by which IP addresses are assigned to individual computers? You will have to make some assumptions to answer both questions, so be sure to state your assumptions."
Consider compressed video transmission in an ATM network. Suppose standard ATM cells must be transmitted through five switches. The data rate is 43Mbps. What is the transmission time for one cell through one switch?
You are hired to design an IP addressing scheme for five departments that will give security and access to Internet. Each department requires between 1,500 - 2,000 IP addresses.
What were the most important things Cisco managers did right, i.e., where had the ERP team been "smart'? How did Cisco manage unanticipated problems?
What type of media would you recommend using to connect the buildings and why? What kind of media should the company request from its ISP for connecting the corporate WAN to the Internet?
Can you run an ordinary TCP connection through the guard to pass it through the guard? Explain why/why not, and if not, what protocol can you use to move the data?
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