קטע קוד עבור שאלה מס' 43 ב-PHP

<?php
   readfile('header.tmpl.html');
?>
<ul>
<?php
  readfile( 'config.inc.php)';
 

  $db = new mysqli(MYSQL_HOST,MYSQL_USER,MYSQL_PASSWORD,MYSQL_DATABASE);
  $sql = 'SELECT * FROM users';
  $result = $db->query($sql);

  foreach ($result as $row) {
      printf(
        '<li><span style="color: %s">%s (%s)</span>
        <a href="update.php?id=%s">update</a>
        <a href="delete.php?id=%s">delete</a>
        </li>',
        htmlspecialchars($row['color'], ENT_QUOTES),
        htmlspecialchars($row['name'], ENT_QUOTES),
        htmlspecialchars($row['gender'], ENT_QUOTES),
        htmlspecialchars($row['id'], ENT_QUOTES),
        htmlspecialchars($row['id'], ENT_QUOTES)
      );
  }

  $db->close();
?>
</ul>
<?php 
 readfile('footer.tmpl.html');
?>

קטע קוד עבור שאלה מס' 48 ב- PHP

<?php 
 
 $y =20;

 if($y == 20){

    const X = 30;
 }
 echo X;

קטע קוד עבור שאלה מס' 50 ב- PHP

<?php
$a = 8;
$b =8;
$c = 17;
$d = 26;

if(($a == $b)  xor( $d > $c )){
    echo 'true';
} else{
    echo 'false';
}

the drawing for 6 question in computing network

שאלה מס' 6 ב- computing networking
The drawing shows a data center located at a company's headquarters sending real-time updates to a hot site, which is an off-site location containing duplicate server hardware. In this topology, when a change is made to a server in the HQ data center, that change is immediate sent to the hot site, such that the servers at the hot site are essentially a mirror image of the data center servers. This illustrates which of the following network benefits?

צילום עבור שאלה מס' 52 ב-HTML