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1) A foreign navy has implemented a secure communications system in which submarine commanders transmit a single 5-letter message every day. The messages may only use capital (English) letters, and all messages are equally probable. A crypto device encrypts each message into 20 bits of ciphertext.
a. What is the entropy of the plaintext message? b. What is the entropy of the ciphertext message? c. Is this a good cryptosystem? Why or why not?
Describe what types of problems could result from having a mix statically and dynamically assigned addresses on the same network.
Conduct Internet search to locate case study which illustrates how VoIP was beneficial to the organization. Why did organization need a VoIP solution?
Write down the analogous steps in dimensioning a computer network?
This assignment explains the networking features, different kinds of networks and also how they are arranged.
It is significant to know what issues are for encrypting data in the database. Comment on what you think is most significant obstacle to encryption. Describe your position.
Suppose a security-aware caching resolver receives DNS RRset at time t0 with signatures on it which expire at time t1 (where t0
Explain/propose a new/possible idea on how these networks can be kept safe from hacking.
Cathi required to network three computers for herself and her roommates, Sharon and Emily. She decided that a(n) (1)___________________ network was the right kind to install in their dorm suite since a(n) (2)____________________ network was too co..
What characteristics or issues would be pertinent or applicable for implementing this system? Be sure to discuss political, socio-economic, language, currency, educational and any other issues you think are pertinent.
How could you interconnect the two areas? Assuring that the network has immunity from the interference; re-evaluate your choice explaining the best medium(s) to utilize.
List three reasons you might still want to prevent an outsider obtaining free network access by intruding into your wireless network.
How is networking beneficial to a professional in any career field?
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