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1. Explain the difference between portable Internet access and mobile Internet access. 2. Explain what VoIP is and how it works. 3. What is WiMAX? Discuss why mobile WiMAX is an up-and-coming standard and briefly explain how it works. For what kind of countries, populations, and geographical areas might WiMAX be a good option? 4. Why do you think real-time messaging may be a better means of communication than e-mail or the telephone? What are some of the advantages and disadvantages of real-time messaging? 5. Define grid computing in your own words. How does grid computing work, and what are some of the advantages of using grid computing? 6. What is a VPN? What kind of companies might use a VPN, and for whom in the company would this be useful? Please provide an example.
Why do we pursue technologies, such as those associated with virtual reality? Going back to one of our definitions of technology, what problem are we trying to solve? What are the risks associated with these technologies?
Bob checks his network but makes no changes. Steve does some checking on his network, the only change Steve makes is to turn on a host device
the following ciphertext which was encoded with a shift cipher: xultpaajcxitltlxaarpjhtiwtgxktghidhipxciwtvgtpilpitghlxiwiwtxgqadds.1. Perform an attack against the cipher based on a letter frequency count: How many letters do you have to identify th..
As the network administrator, you have been given the task of preparing a presentation for the stakeholders of a new project that will involve the creation of a new e-commerce Web site.
Does the technology today threaten our privacy?It is hardly new to speak that the Internet presents a grave danger to information privacy.
You checked your network supplies closet and found that you have various networking equipments and supplies including routers, switches, hubs, Ethernet NICs, 801.11b USB Network Adapter, various cables and connectors, etc. What can you use from yo..
Describe how and where IP datagram fragments are reassembled. Make sure to explain how fragments from multiple datagram's are sorted out and how the order of fragments is resolved for each set of fragments.
1 describe at least three examples that show the importance of data communications in your daily life. when doing so
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.
Manager would like to add four servers to network so employees can share files. Manager would also like to permit VPN access for her employees so they can work remotely.
Richard Sclove argues that we must do more to acknowledge technoogy's 'polypotency.' What does this term mean, why does Sclove think that it is significant to acknowledge this characteristic of technology?
List down all the questions that you will put forward to your client "First Financials" to understand their requirements and needs in terms of hardware, software, bandwidth etc.
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