Does voice over IP have the same problems with firewalls that streaming audio does? Discuss your answer.
Answer to relevant QuestionsWhat is the bit rate for transmitting uncompressed 800 x 600 pixel color frames with 8 bits/pixel at 40 frames/sec?Break the following columnar transposition cipher. The plaintext is taken from a popular computer textbook, so ''computer'' is a probable word. The plaintext consists entirely of letters (no spaces). The cipher text is ...In the text we computed that a cipher-breaking machine with a billion processors that could analyze a key in 1 picosecond would take only 1010 years to break the 128-bit version of AES. However, current machines might have ...The signature protocol of Fig. 8-18 has the following weakness. If Bob crashes, he may lose the contents of his RAM. What problems do this cause and what can he do to prevent them?Give one advantage of HMACs over using RSA to sign SHA-1 hashes.
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