Deck 7: Programming for Security Professionals

Question 1

The ____ special character is used with the printf() function in C to indicate a tab.

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

Answer 1

A

Question 2

You can use /* and */ instead of ____ symbol(s) for one-line comments in C.

A)#
B)#!
C)**
D)//

Answer 2

D

Question 3

To compile the "syntax.c" program in *nix you enter the gcc -c syntax.c -o syntax.o command.

Answer 3

True

Question 4

Software engineering firms don't retain computer programmers who do not document their work because they know that 80% of the cost of software projects is ____.

A)documentation
B)debugging
C)testing
D)maintenance

Question 5

UNIX was first written in assembly language, soon rewritten in ____.

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

Question 6

The C programming language was developed by ____ at Bell Laboratories in 1972.

A)James Gosling
B)Larry Wall
C)Dennis Ritchie
D)Larry Tesler

Question 7

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

Question 8

____ is the act of performing a task over and over.

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

Question 9

The ____ special character is used with the printf() function in C to indicate a new line.

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

Question 10

The logical operator in C that is used to compare the equality of two variables is ____.

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

Question 11

The mathematical operator in C that increments the unary value by 1 is ____.

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

Question 12

____ takes you from one area of a program (a function) to another area.

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

Question 13

The ____ statement in C is used to load libraries that hold the commands and functions used in your program.

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

Question 14

You must always add "//" at the end of comment text in C.

Question 15

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

Question 16

HTML doesn't use branching, looping, or testing.

Question 17

The logical operator in C that is evaluated as true if both sides of the operator are true is ____.

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

Question 18

A ____ is a mini program within a main program that carries out a task.

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

Question 19

In C, ____ show where a block of code begins and ends.

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

Question 20

Most programming languages do not have a way to conduct testing of a variable.

Question 21

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
tells the compiler how to convert a value in a function

Question 22

In Perl, the keyword "____" is used in front of function names.

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

Question 23

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
represents a numeric or string value

Question 24

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
converts a text-based program, called source code, into executable or binary code

Question 25

The HTML ____________________ tag formats text as a level 1 heading.

Question 26

C programs must contain a(n) ____________________ function, but you can also add your own functions to a C program.

Question 27

In HTML, each tag has a matching closing tag that's written with a(n) ____ added.

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

Question 28

The print command for Perl is almost identical to the ____ print command.

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

Question 29

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
error that causes unpredictable results

Question 30

If you want to know what the Perl print command does, you can use ____.

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

Question 31

A loop usually completes after ____________________ is conducted on a variable and returns a value of true or false.

Question 32

____ is a markup language rather than a programming language.

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

Question 33

Structures called classes can be written in many ____________________ languages (Java, Object COBOL, or Perl).

Question 34

In Perl, variables begin with the ____ character.

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

Question 35

Many scripts and programs for security professionals are written in ________________________________________, a powerful scripting language.

Question 36

In Perl, comment lines begin with the ____ character(s).

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

Question 37

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
GNU C and C++ compilers

Question 38

____________________ language uses a combination of hexadecimal numbers and expressions, such as mov, add, and sub, making it easier for humans to write programs than in binary or machine language.

Question 39

In C, the statement ____ tells the compiler to keep doing what's in the brackets over and over and over.

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

Question 40

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

Question 41

What is an algorithm? You may use an analogy to explain the concept.

Question 42

How is branching performed in Perl?

Question 43

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
structure that holds pieces of data and functions

Question 44

List and describe the variable types used in C.

Question 45

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

Question 46

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
checks whether a condition is true and then continues looping until the condition becomes false

Question 47

How does C's for loop work?

Question 48

Why is documenting computer programs essential?

Question 49

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

Question 50

MATCHING
Match each term with the correct statement below.
a.pseudocode
f.do loop
b.conversion specifier
g.compiler
c.class
h.while loop
d.bug
i.gcc
e.variable
performs an action first and then tests to see whether the action should continue to occur

Question 51

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

Question 52

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

Question 53

In programming, what are variables used for?