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.