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Question1. Discuss the differences between Wide Area Telecommunications Service (WATS) and leased lines?
Question2: What are some of the challenges being faced by organizations when they implement voice and data into a network?
You are hired to design an IP addressing scheme for five departments that will give security and access to Internet. Each department requires between 1,500 - 2,000 IP addresses.
In another year, after all assignments are completed, you consider to convert back to a volunteer basis with AllTechComm, and to discover more profitable employment, preferably with a major company.
XYZ is multi-billion company having 24 departments and each department consisting no more than 750 hosts. Design the IP network based on the requirements stated above.
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.
you are asked to investigate and write a report on using Internet phone and the company's existing LAN to replace the company's PBX.
It takes 56 milliseconds for workstation to decode each received frame and display it on screen. Will this workstation display video stream successfully? Why or why not?
How would the maturation of the industry worldwide impact your business strategy?
Determine the mean time to spend frame of 1000 bits to another station, measured from beginning of transmission to end of reception? Suppose propagation speed of 100 m/μs.
Write one-page proposal of how company can manage SNMP from corporate location. Include details on versions, basic operations, and MIBs. Describe the benefits of this kind of centralized monitoring.
Suppose that the receiver computes the UDP checksum for the Internet department received UDP and finds that matches the value transferred to the checksum field.
Host A wishes to send the large file to Host B. Path from Host A to Host B has three links, of rates R1=10 Mbps, R2=500 kbps, and R3=750 Kbps. (1Kbit=210bit) Suppose no other traffic in network, determine the throughput for file transfer?
Describe the methods to tackle and mitigate RF multipath that impact to WLAN throughput. Explain the purposes of POE in WLAN design.
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