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Your job is to support the desktop computers in a small company of 32 employees. A consulting firm is setting up a private Web server to be used internally by company employees. The static ip address of the server is 192.168.15.200. Employees will open their Web browser and enter personnel.mycompany.com in the URL address box to browse this Web site. What steps do you take so that each computer in the company can browse the site using this URL?
Create a communication system (block diagram) which will permit transmission of these four sources over telephone using frequency division multiplexing and TDM PCM assume using 4 bit samples.
Define the type of packet filters that you might build to capture traffic destined to you six critical Web servers?
Large wide area network covers United States and has multiple nodes in evey state. Node in Denver crashes completely. How do other nodes in the country determine about the crash if RIP is used? If OSPF is used?
Suppose that you have trained your dog to carry box of three data storage tapes. For what range of distances does dog have higher data rate than 155 Mbps ATM line ?
Create several duplicate scenarios and modify the interarrival times for all the Ethernet stations to 0.0008, 0.002, 0.003, 0.005, and 0.006, respectively.
According to data from Marketing Sherpa, approximately 64% of "key decision makers" are reading messages on a BlackBerry or other mobile device. What considerations we must be aware with email design? Is it an issue?
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..
Several graphic files were transmitted by a e-mail from the unknown source to suspect in the ongoing investigation. Lead investigator provides you these graphics files and tells you that at least four messages must be embedded in them.
In Lamport'so mutual exclusion protocol, if process i is implementing critical section, Is this still true when there are no messages in transit?
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."
Explain these generic and VoIP specific issues. What are the risks? How are these threats being addressed? What can you do as a manager?
Locate two such organizations. For each of the two, identify the need or opportunity that prompted the decision to have a physical presence.
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