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a) The information in 4 analog signals is to be multiplexed and transmitted over a telephone channel that has 400-3100 Hz bandwidth. Each of the analog baseband signals is band-limited to 500 Hz. Design a communication system (block diagram) that will allow the transmission of these 4 sources over the telephone channel using:
i) Frequency division multiplexing with SSB (single sideband) subcarriersii) Time division multiplexing using PCM, assume 8-bit samples
Other building a mainframe computer. What is the best way to connect the workstations to the mainframe computer? Explain your reasoning and all the possible solutions you considered.
CBC-pad is a block chiper mode of operation used in RC5 block cipher, but it could be used in any block cipher. That is, if the original plaintext is an integer multiple of the block size, why not refrain from padding?
Most homeowners select to install a DSL for Internet connection what kind of networking hardware would you suggest?
In original classful address scheme, was it possible to find out the class of the address from address itself? Describe.
Define the type of packet filters that you might build to capture traffic destined to you six critical Web servers?
Twenty-four voice signals are to be multiplexed and transmitted over twisted pair. Determine total bandwidth needed if frequency division multiplexing is used?
She has bids from several companies in order to install (1) Wi-Fi, or (2) a switched Ethernet 100 Base T network. She wishes you to provide her some sense of relative performance of the alternatives so that it may be related to the costs of each o..
It also help business to use the best features of cloud computing like, elastic scalability and outsourcing. what are your toughts on the above statement? Do you agree or disagree?
Determine the value of the frame transmission time, i.e., time it takes to transmit frame from when device starts sending first bit of frame until it finishes sending last bit?
Consider the following method for congestion control in a error-free virtual circuit subnet.
Describe Quality of Service (QoS) and explain the motivation behind QoS Referring to the diagram below, configure Routers 1, 2, and 4 with Internet Protocol (IP) addresses, and ping between them to test connectivity. Write down complete commands..
As web developers, we must find out which scripting language is supported by the web server to understand what kind of rights and privileges we must take into account.
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