Database Security: BitLocker Drive Encryption for MySQL
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Questions and Answers

What is the default operation if neither READ nor WRITE is specified in MySQL?

  • WRITE (correct)
  • EXECUTE
  • READ
  • DELETE

What is the purpose of the AUTO_INCREMENT keyword in the mydata table definition?

  • To automatically set the `id` column to the current timestamp for each new row
  • To automatically set the `id` column to a unique string value for each new row
  • To automatically increment the `id` column for each new row (correct)
  • To automatically set the `id` column to a random value for each new row

What is the purpose of the PRIMARY KEY constraint on the id column in the mydata table definition?

  • To ensure that the `id` column contains unique values
  • To ensure that the `id` column cannot contain null values
  • To ensure that the `id` column is indexed for faster queries
  • All of the above (correct)

What is the purpose of the USE userA statement in the provided code?

<p>To switch the current database context to <code>userA</code> (A)</p> Signup and view all the answers

What is the purpose of the CREATE TABLE mydata(...) statement in the provided code?

<p>To create a new table named <code>mydata</code> in the current database (B)</p> Signup and view all the answers

Which of the following is NOT a key characteristic of the AES encryption algorithm?

<p>Asymmetric encryption (D)</p> Signup and view all the answers

What is the purpose of the LOCK command in SQL?

<p>To prevent other sessions from modifying the data in the specified table (B)</p> Signup and view all the answers

What is the primary purpose of the AES encryption algorithm?

<p>To provide confidentiality for sensitive data (B)</p> Signup and view all the answers

Which of the following is a key property of the AES encryption algorithm?

<p>It uses a variable key size of 128, 192, or 256 bits (D)</p> Signup and view all the answers

What are the two modes of locking available in the LOCK TABLES command?

<p>Read and Write (D)</p> Signup and view all the answers

What is the primary advantage of the AES encryption algorithm over other symmetric encryption algorithms?

<p>Stronger encryption strength and security (D)</p> Signup and view all the answers

What is the correct syntax for the LOCK TABLES command?

<p>LOCK TABLES table_name [READ | WRITE]; (B)</p> Signup and view all the answers

Which of the following statements is true about the LOCK TABLES command?

<p>It can lock multiple tables at the same time (C)</p> Signup and view all the answers

Which of the following is a common use case for the AES encryption algorithm?

<p>All of the above (D)</p> Signup and view all the answers

What is the main difference between the READ and WRITE modes of locking in the LOCK TABLES command?

<p>READ mode allows other sessions to read the data but not modify it, while WRITE mode allows exclusive access to the table (B)</p> Signup and view all the answers

What is the purpose of the SHOW SLAVE STATUS; command?

<p>To display information about the slave replication status (B)</p> Signup and view all the answers

Which MySQL statement is used to create a new database?

<p><code>CREATE DATABASE userM;</code> (A)</p> Signup and view all the answers

What is the purpose of the SHOW TABLES; command?

<p>To display a list of all tables in the current database (C)</p> Signup and view all the answers

Which MySQL statement is used to create a new table?

<p><code>CREATE TABLE mydata ( id INT AUTO_INCREMENT PRIMARY KEY, Namedata VARCHAR(255) );</code> (A)</p> Signup and view all the answers

What is the purpose of the SHOW RELAYLOG EVENTS; command?

<p>To display a list of events recorded in the relay log on the slave (B)</p> Signup and view all the answers

What is the purpose of BitLocker Drive Encryption?

<p>To protect data from unauthorized access (A)</p> Signup and view all the answers

How many factors of authentication are required to unlock a drive encrypted with BitLocker?

<p>One or more (A)</p> Signup and view all the answers

What is the first step to encrypt a drive using BitLocker?

<p>Go to control panel and search for 'bitlocker drive encryption' (A)</p> Signup and view all the answers

When will the drive be locked after encrypting it with BitLocker?

<p>After restarting the device (D)</p> Signup and view all the answers

What is the process to decrypt a drive encrypted with BitLocker?

<p>Go to 'control panel' and click 'turn off bitlocker' (D)</p> Signup and view all the answers

In MySQL, how does the access privilege system work?

<p>It controls user access to databases and tables (A)</p> Signup and view all the answers

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