Free 200-550 Exam Braindumps (page: 26)

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What will an opcode cache ALWAYS automatically improve?

  1. Running time of a loop in a PHP script
  2. Efficiency of HTML markup generated by a PHP script
  3. Execution speed of a PHP script
  4. Memory footprint of a PHP script
  5. None of the above

Answer(s): E



What is cached by an opcode cache?

  1. Compiled PHP code
  2. Native PHP extensions
  3. Data sent to the client
  4. Data received from the database

Answer(s): A



Which php.ini setting is usually required to use an opcode cache?

  1. extension
  2. zend_extension
  3. optimizer
  4. dl

Answer(s): B



What is the output of the following code?
var_dump(boolval(-1));

  1. bool(true)
  2. bool(false)

Answer(s): A






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