nerdexam
Microsoft

70-516 · Question #163

You add a table to the database to track changes to part names. The table stores the following row values: - the username of the user who made the change a part ID - the new part name a DateTime…

The correct answer is A. Add a column named signature. See the full explanation below for the reasoning.

Question

You add a table to the database to track changes to part names. The table stores the following row values:

  • the username of the user who made the change a part ID
  • the new part name a DateTime value

You need to ensure detection of unauthorized changes to the row values. You also need to ensure that database users can view the original row values.

Options

  • AAdd a column named signature.
  • BAdd a column named hash.
  • CUse System.Security.Cryptography.RSA to encrypt all the row values.
  • DUse System.Security.Cryptography.DES to encrypt all the row values using an encryption

How the community answered

(27 responses)
  • A
    78% (21)
  • B
    4% (1)
  • C
    7% (2)
  • D
    11% (3)

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