Book Image

CompTIA PenTest+ Study Guide

By : Mike Chapple, David Seidl
Book Image

CompTIA PenTest+ Study Guide

By: Mike Chapple, David Seidl

Overview of this book

The CompTIA PenTest+ Study Guide: Exam PT0-001 offers comprehensive preparation for the newest intermediate cybersecurity certification exam. With expert coverage of Exam PT0-001 objectives, this book is your ideal companion throughout all stages of study; whether you’re just embarking on your certification journey or finalizing preparations for the big day, this invaluable resource helps you solidify your understanding of essential skills and concepts. The book shows how to perform security assessments on desktops, mobile devices, cloud, IoT, as well as industrial and embedded systems. You'll learn how to identify security weaknesses and manage system vulnerabilities. As you progress, you'll learn methods to ensure that existing cybersecurity practices, configurations, and policies conform with current best practices. You'll assess your knowledge by simulating cyber attacks to pinpoint security weaknesses in operating systems, networks, and applications. By the end of the book, you'll have all the resources you need to prepare for the exam - identify what you already know, learn what you don’t know, and face the exam with full confidence.
Table of Contents (21 chapters)
Free Chapter
1
Acknowledgments
2
About the Authors
3
Introduction
4
Assessment Test
5
Answers to Assessment Test
18
Index
19
Advert
20
End User License Agreement

String Operations

In addition to basic comparisons, developers writing scripts also must often manipulate strings in other ways. Concatenation is the most common string operation; it allows the developer to combine two strings together. For example, imagine that we have the following variables:

first = "Mike"
last = "Chapple"

We might want to combine these names into a single string to make it easier to manipulate. We can do this by concatenating the two strings. Here’s some pseudocode using the + operator for concatenation:

name = first + last

This would result in the following value:

MikeChapple

Of course, We’d like a space in between those values, so I can just concatenate it into the string

name = first + " " + last

which would result in the value

Mike Chapple

We also might need to concatenate a string and an integer together. Here’s some pseudocode that performs string and integer concatenation by first converting the integer...