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You have been asked to design the entire cabling system for a medical instrument manufacturer's new central warehouse. The company already has three buildings within two city blocks, and the warehouse will be its fourth building. Currently, the buildings run on separate networks, but the company would like to be able to exchange data among them. For example, the Quality Control Department in building 1 would like to be able to access servers in the Research Department in building 2. In addition, the Sales Department in building 3 wants to conduct video training sessions for its representatives in the field via the Internet. Next door, in the warehouse, 50 shipping and packing personnel in the Fulfillment Department will be riding up and down the aisles on forklifts pulling inventory off the shelves on a daily basis. What kind of transmission media would you recommend for each different building and department of the medical instrument company and why? What type of media would you recommend using to connect the buildings and why? Finally, what kind of media should the company request from its ISP for connecting the corporate WAN to the Internet?
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.
Discuss how initiatives like the Dynamic Open Architecture Radio System (DOARS) Project and the National Task Force on Interoperability (NTFI) are paving the way for more efficient.
Let DES(x, K) represent the encryption of plaintext x with key K using the DES cryptosystem. Prove that y' = c(y) (i.e., if we complement the plaintext and the key, then the ciphertext is also complemented).
Consider error-free 256 kbps satellite channel used to send 1024-byte data frames. What is smallest window size that is large enough to optimize the throughput?
safekeeping posture of enterprise (venture) wired and wireless LANs (WLANs), steps listed in OWASP, Securing User Services, IPV4 ip address, IPV6 address format, V4 address, VPN, Deploying Voice over IP, Remote Management of Applications and Ser..
Given the need for secure, online business communications, analyze network security threats and vulnerabilities and design network security solutions
One-way to solidify the concepts of client/server computing and interprocess communication is to develop the requirements for a computer game which plays "Rock, Paper, Scissors" using these techniques.
Research three recent information security breaches. Do main targets seem to be larger or smaller companies? Is there a particular industry which seems predominately targeted?
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver (G.711 is the name of standard for 64Kbps PCM). Outline algorithm which uses sequence numbers and time stamps of RTP packets to find out beginning of new talk spurt?
Explain in scholarly detail role of telecommunications operations functions in Telecommunications Asset Life Cycle Model concept?
Research to see how the Internet is put together. What are some key pieces of the basic architecture of the Internet?
What kind of network crimes may use P2P networks? Find the most challenging crimes that could be based on P2P networks and write a report on how to do forensic investigations on these crimes.
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