What are some of the Perl's taint mode exceptions?
What will be an ideal response?
A few taint mode exceptions exist, and they are as follows:
* Arguments for print and syswrite are not checked for taintedness in Perl.
* Symbolic methods such as
$obj->$method(@args);
are not checked for taintedness.
* Symbolic sub references such as
&{$foo}(@args);
$foo->(@args);
are not checked for taintedness.
* Since taintedness is associated with each scalar value, some elements of an array or hash can be tainted and others not.
* The keys of a hash are never tainted.
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Which of the following statements is false?
a. A class’s private helper methods may be called only by the class’s other methods b. You cannot declare helper methods in interfaces. c. An interface’s private instance methods can be called directly (i.e., without an object reference) only by the interface’s other instance methods. d. An interface’s private static methods can be called by any of the interface’s instance or static methods.
Can you think of techniques other than an unordered overflow file that can be used to make insertion in an ordered file more efficient?
What will be an ideal response?
Before encryption, we consider all data as being plaintext (also called cleartext). This does not necessarily mean that the data is simple text format, but it can be any type of data.
Answer the following statement true (T) or false (F)
A___________ is the term reserved for an individual who willfully breaks into computer systems with the purpose of wreaking havoc and destruction.
A. hacker B. cracker C. white hat D. wrecker E. slimbag