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Q1) Consider a packet-by-packet fair queueing system with three logical buffers and with service rate of one unit/second. Show the sequence of transmissions for this system for the following packet arrival pattern. Buffer 1: arrival at time t = 0, length 2; arrival at t = 4, length 1. Buffer 2: arrival at time t = 1, length 3; arrival at t = 2, length 1. Buffer 3: arrival at time t = 3, length 5. You need to find out the finish tag, order of transmission and actual packet completion times for each packet arrival.
How long [in micro-seconds (µs)] does receiving UART have to transfer an incoming character to buffer or to the main computer before next character arrives?
Create a plan to set up a local area network. Design a boardroom-quality Microsoft® PowerPoint® presentation of 10-12 slides detailing your plan.
By using a laptop computer along with a wireless connection into company’s local area network, you download a Web page from Internet. State all several network connections involved within this operation.
Describe the methods to tackle and mitigate RF multipath that impact to WLAN throughput. Explain the purposes of POE in WLAN design.
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver. During talk spurt 20 msecs chunks of quantized audio samples are encapsulated. Determine number of samples are included in each packet?
You are hired to design, program and implement the PCS system which management calls the Sales and Inventory Management System.
Explain these generic and VoIP specific issues. What are the risks? How are these threats being addressed? What can you do as a manager?
Formulate an IP that determine a set of disks requiring the minimum amount of storage such that each file is on at least one of the disks.
Wireless DSL is available in her apartment building for $45 per month for 1.5 Mbps down and 256 Kbps up. Explain the differences in these services and make a recommendation.
What are some immediate differences in the two protocols? Does IPv6 provide operational improvement, as well as increased address space?
It is considered good practice for the sender to pad every message, including messages in which the final message block is already complete. What is the motivation for including a padding block when padding is not needed.
Describe how the greater reach of telecommunication networks today affects the security of resources which an organisation provides for its employees and customers.
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