1D0-437 무료 덤프문제 온라인 액세스

Which one of the following statements uses correct syntax and expressions?

• A.do {$in = $in++} while ($in < 100);
• B.do {$a++} until {$a == $b}\;
• C.do ($a++) until ($b = $a);
• D.do (print "Hello $a") until ($a = 10);

Consider the following program code:
$x = 5;
$y = 10;
while (++$x < 10 && ++$y < 15)
{
print ($x $y );
}
print ($x $y );
What is the result of executing this program code?

• A.The code will output the following:
  6 11 7 12 8 13 9 14 10 14
• B.The code will output the following:
  5 10 6 11 7 12 8 13 9 14
• C.The code will output the following:
  6 11 7 12 8 13 9 14 10 15
• D.The code will output the following:
  5 10 6 11 7 12 8 13 9 13

Consider the following lines of code:
sub mySub { (
$arg, @args) = @_;
foreach $val (@args) {
$ returnVal .= "$arg, $val\n";
}
$returnVal . "" . @args;
}
print &mySub(1, "a value", "another value", "a parameter", "another parameter");
What is the output of these lines of code?

• A.1, a value 1, another value 1, a parameter 1, another parameter
  a valueanother valuea parameteranother parameter
• B.1, a value, another value, a parameter, another parameter
  a value another value a parameter another parameter
• C.1, a value 1, another value 1, a parameter 1, another parameter 4
• D.1, a value, another value, a parameter, another parameter 4

Which of the following accurately describes the roles of the Database Interface Module
(DBI) and the Database Driver Module (DBD)?

• A.DBI transmits instructions to a database; DBD directs method calls to DBI.
• B.DBI makes available database-specific code; DBD transmits method calls to DBI.
• C.DBD makes available database-specific code; DBI translates method calls to DB
• D.DBD transmits instructions to a database; DBI directs method calls to DBD.

Consider the following program code:
$var = 10;
package Alpha;
$var = 20;
{
package Beta;
$var = 30;
}
package Gamma;
$var = 40;
{
print $var;
}
What is the output of this code?

• A.40
• B.20
• C.30
• D.10