200-550 Exam Questions
221 real 200-550 exam questions with expert-verified answers and explanations. Page 5 of 5.
- Question #223
Which interfaces could class C implement in order to allow each statement in the following code to work? (Choose 2) $obj = new C(); foreach ($obj as $x => $y) { echo $x, $y; }
- Question #224
Which of the following rules must every correct XML document adhere to? (Choose 2)
- Question #225
Which one of the following XML declarations is NOT valid?
- Question #226
Which requirements need NOT be met so that file uploads work?
- Question #227
A/hen comparing prepared statements and regular, application-constructed SQL statements, which of the following is true?
- Question #228
How can the line on which HTTP headers were sent inside a script be determined?
- Question #229
Webservices are primarily meant to support
- Question #230
What do bytecode caches do?
- Question #231
Which of the following functions will allow identifying unique values inside an array?
- Question #232
When using password_hash() with the PASSWORD_DEFAULT algorithm constant, which of the following is true? (Choose 2)
- Question #233
Which of the following are NOT acceptable ways to create a secure password hash in PHP? (Choose 2)
- Question #234
Which combination of the following filtering techniques prevents cross-site scripting (XSS) vulnerabilities?
- Question #235
When a transaction reports no affected rows, it means that: (Choose 2)
- Question #236
Which of the following superglobals does not contain data from the client?
- Question #238
When a browser requests an image identified by an img tag, it never sends a Cookie header.
- Question #239
Which of the following techniques ensures that a value submitted in a form can only be yes or no ?
- Question #240
Which function can NOT help prevent cross-site scripting? (Choose 2)
- Question #241
Which constant must be passed as the second argument to htmlentities() to convert single quotes (') to HTML entities?
- Question #242
Which of the following statements about exceptions are correct? (Choose 2)
- Question #243
An unbuffered query will: (Choose 2)
- Question #245
Which of the following is NOT possible using reflection?