difference between a Windows Authentication and a SQL Server Authentication?

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For this assignment, answer the following:

  • What is the difference between a Windows Authentication and a SQL Server Authentication?
  • How does SQL Server perform authentication when a user connects from a nontrusted connection with a specified logon name and password?
  • Why is it not advisable to enable the SA account in SQL Server?

part 2, Issc366:

minimum 250 words, APA format.

Secure Hash Algorithm (SHA-1) calculates a 160-bit hashed value for the targeted message. Message Digest 5 produces calculates a 128-hash value. MD5 is now considered obsolete because of the “birthday problem”. Notice the increase from 160-bit to 128-bit. Do you think more bits for the hash value makes the algorithm better? Explain your position.