Deck 7: Programming for Security Professionals

Question 1

Which of the following is a backdoor initiated from inside the target's network that makes it possible to take control of the target even when it's behind a firewall?

A) reverse port
B) back shell
C) reverse shell
D) reverse door

Answer 1

C

Question 2

UNIX was first written in assembly language.However,it was soon rewritten in what programming language?

A) Smalltalk
B) Perl
C) Python
D) C

Answer 2

D

Question 3

In the C programming language,which variable type holds the value of a single letter?

A) Char
B) Float
C) String
D) Const

Answer 3

A

Question 4

When a compiler finds errors,it usually indicates what they are so you can correct the code and compile the program again.

Question 5

Which of the following special characters is used with the printf()function in the C programming language to indicate a new line?

A) \t
B) \0
C) \n
D) \l

Question 6

Security professionals often need to examine Web pages and recognize when something looks suspicious.

Question 7

Which of the following takes you from one area of a program (a function)to another area?

A) Branching
B) Looping
C) Testing
D) Dividing

Question 8

Bugs are worse than syntax errors because a program can run successfully with a bug,but the output might be incorrect or inconsistent.

Question 9

You must always add "//" at the end of comment text when using C language.

Question 10

Most programming languages have a way to branch,loop,and test.

Question 11

Which of the following is the act of performing a task over and over?

A) Branching
B) Looping
C) Testing
D) Remembering

Question 12

Which of the following is a mini-program within a main program that carries out a task?

A) function
B) script
C) branch
D) loop

Question 13

Which of the following mathematical operators in the C programming language increments the unary value by 1?

A) +
B) %
C) ++
D) &

Question 14

Carelessly reviewing your program's code might result in having which of the following in your program code?

A) branch
B) virus
C) bug
D) variable

Question 15

Which of the following statements in the C programming language is used to load libraries that hold the commands and functions used in your program?

A) #include
B) package
C) use
D) #import

Question 16

Which of the following logical operators in the C programming language is evaluated as true if both sides of the operator are true?

A) =
B) &&
C) ||
D) ==

Question 17

You can use the syntax /* and */ to accomplish what function when working with large portions of text?

A) run
B) erase
C) execute
D) comment

Question 18

In the C programming language,which of the following show where a block of code begins and ends?

A) braces
B) parenthesis
C) brackets
D) dashes

Question 19

In object-oriented programming,a function contained in a class is called which of the following?

A) variable function
B) label function
C) test function
D) member function

Question 20

Which of the following logical operators in the C programming language is used to compare the equality of two variables?

A) =
B) &&
C) ||
D) ==

Question 21

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Takes you from one area of a program (a function)to another area

Question 22

In a Perl program,to go from one function to another,you simply call the function by entering which of the following in your source code?

A) variable
B) keyword
C) name
D) comment

Question 23

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
An object-oriented programming structure that holds pieces of data and functions

Question 24

In the Perl programming language,comment lines begin with the which of the following character(s)?

A) %
B) //
C) #
D) $

Question 25

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Tells the compiler how to convert the value in a function

Question 26

Which of the following is a markup language rather than a programming language?

A) C
B) HTML
C) Perl
D) PHP

Question 27

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
An English-like language you can use to help create the structure of your program

Question 28

In the Perl programming language,which of the following keywords is used in front of function names?

A) func
B) declare
C) sub
D) proc

Question 29

In the Perl programming language,variables begin with which of the following characters?

A) %
B) !
C) *
D) $

Question 30

In the C programming language,which statement tells the compiler to keep doing what is in the brackets over and over and over?

A) loop($)
B) continue
C) do(forever)
D) for(;;)

Question 31

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
An error that causes unpredictable results

Question 32

The print command for Perl is almost identical to the print command used in which of the following programming languages?

A) Java
B) C
C) PHP
D) Smalltalk

Question 33

In HTML,each tag has a matching closing tag that is written with which of the following characters?

A) forward slash (/)
B) backward slash (\)
C) bang (!)
D) ampersand (&)

Question 34

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
A way of having your program repeat an action a certain number of times

Question 35

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Program that converts a text-based program called source code,into executable or binary code

Question 36

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Represents a numeric or string value

Question 37

If you want to know what the Perl print command does,you can use which of the following commands?

A) perl -h
B) perldoc -f print
C) perl -h print
D) man perl print

Question 38

​In object-oriented programming,which of the following are structures that hold pieces of data and functions?

A) ​classes
B) ​variables
C) ​keywords
D) ​objects

Question 39

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Performs an action first and then tests to see whether the action should continue to occur

Question 40

Match each item with a statement below.a.pseudocode
b.conversion specifier
c.class
d.bug
e.variable
f.do loop
g.compiler
h.while loop
i.branching
j.assembly language
Writing programs in this language is easier than in machine language

Question 41

What is the relationship between algorithms,pseudocode,and a programming language?

Question 42

Why is documenting computer programs essential?

Question 43

In programming,what are variables used for?

Question 44

How does C's for loop work?

Question 45

The Win32 class contains many functions you can call from your Perl script.How can attackers use these functions,and should security professionals become proficient at using them in a program?

Question 46

What is a dangerous thing about programming in the C language?

Question 47

How is branching performed in Perl? Give an example.

Question 48

List and briefly describe the variable types used in
C.

Question 49

What is the difference between the = and = = operators in C?

Question 50

Mention three C compilers and on which operating systems they are available.