week 5

For this assignment, you must create an original post addressing the questions below, prior to midnight EST on Tuesday. 

Is there any reason why a network administrator should ensure that known

vulnerabilities are patched on hosts on a network that has no connection to any
external network? Justify your answer.
Think of a postcard as the equivalent of plaintext and a letter in a sealed
envelope as the equivalent of ciphertext: Whatever you write on a postcard is
exposed for anyone to read, but someone has to open the envelope to read your
letter. Is it ethical to read what is written on a postcard? Why or why not?
Make sure to cite at least one reference using APA guidelines. Wikipedia, blogs and about.com are not credible sources. You should be using scholarly articles found in the Library Databases. 

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