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Discuss four different types of wireless technologies.
-Describe the characteristics and properties of each signal type, and how each can be used.
-Include a table or matrix that compares properties of the four signal types.
-Provide a hypothetical situation for each signal type that illustrates how it could be, or is being, used in a WAN. In what circumstance, for example, would a company choose to use a satellite signal?
Modify the hosts file to map www.google.com to yahoo's IP address and try to do a google search. Remove the modification to the host file and repeat.
This fiber-optic line has reached capacity. What alternatives can the telephone company consider to increase capacity?
Consider improved version of Vigenere cipher, where instead of using multiple shift ciphers, multiple mono-alphabetic substitution ciphers are used.
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..
Develop a simple backbone and determine the total cost (i.e., select the backbone technology and price it, select the cabling and price it.
Then the sender learns of acknowledgment of 0,1,2,5. What frames are in sender's window range just after this event?
Explain how the relative speed of the 100BaseT LANs used at each location compares to accessing the WAN link between the two sites.
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)
A consulting firm has narrowed the choice of programming language to Java and C#. Which language do you think would be more appropriate for this application and why?
What kinds of wireless WAN services are available today? What standards are involved with wireless WAN services? What kinds of issues might you encounter?
Write down some popular reconnaissance tools?
Determine the IP addresses of www.google.com and www.yahoo.com. Modify hosts file to map www.google.com to yahoo's IP address and try to do google search. Remove modification to host file and repeat.
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