Protocols and threats to network security

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You have been introduced to a set of concepts, protocols and threats to network security. Using your own words, write a summary about network security explaining the following factors:

a. Explain the basic idea about IPsec protocol, its aim and disadvantages

b. Do a comparison between Caesar cipher using diagraph coding and Vigenère Cipher in terms of their operation and level of security .

c. Explain the Message Digest Algorithm 5 (MD5) and describe briefly its operation.

Reference no: EM132857274

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