Pass the LPI Web Development Essentials exam and set yourself up for success at a new web development job
In LPI Linux Professional Institute Web Development Essentials Study Guide: Exam 030-100, accomplished IT educator and systems engineer, Audrey O’Shea delivers an easy-to-follow and hands-on roadmap to passing the LPI Web Development Essentials exam and hitting the ground running at a new job as a web developer. In the book, you’ll explore the software development skills, web technologies, HTML, CSS, Node.js, and JavaScript info you need to implement modern applications and solutions in a web environment.
You will find:
- Introductory coverage of SQL, HTML, JavaScript, CSS, and MongoDB
- A heavy emphasis on real-world job skills, as well as the technologies used every day by web developers in the field
- Complimentary access to the Sybex interactive online learning environment and test bank, complete with hundreds of practice questions, electronic flashcards, and a searchable glossary of important terms
An essential and practical resource for anyone preparing for the Web Development Essentials certification exam, LPI Linux Professional Institute Web Development Essentials Study Guide: Exam 030-100 is also the ideal book for entry-level software developers seeking knowledge of web development tools and principles.
Table of Contents:
Assessment Test xxiii Chapter 1 Web Development Basics 1
Developer Types 2
Creating Software 3
Text Editors and IDEs 6
Compiled Languages 7
Interpreted Languages 8
Programming Paradigms 8
Maintaining Software 11
Version Control Systems 11
Software Testing 12
Summary 12
Exam Essentials 13
Review Questions 17
Chapter 2 Client/Server Computing 21
Client-Side 23
Types of Clients 24
Web Browsers 26
Server- Side 28
Types of Servers 28
Popular Server Software 29
Popular Web Page–Creating Software 29
Summary 31
Exam Essentials 31
Review Questions 34
Chapter 3 Database Management Systems 39
Database Structures and Languages 40
Database Structures 40
Database Languages 43
Relational Database Concepts 44
Content Maintenance and Delivery 45
Summary 47
Exam Essentials 47
Review Questions 51
Chapter 4 Client/Server Communication 55
HTTP 56
HTTP Client-Side 57
HTTP Server-Side 60
WebSocket API 61
Caches and Cookies 62
HTTP Security Concerns 63
Summary 63
Exam Essentials 64
Review Questions 66
Chapter 5 HTML Introduction 71
What Is HTML? 73
The HTML Skeleton 73
HTML Syntax 75
HTML Head 79
Summary 81
Exam Essentials 81
Review Questions 86
Chapter 6 Content Markup 91
The Basics 92
Block and Inline Elements 93
Block Elements 93
Inline Elements 95
Hierarchical Structure 96
Lists 97
Styles 100
Semantic and Non-Semantic Elements 100
Non-Semantic Elements 100
Semantic Structural Elements 100
Summary 101
Exam Essentials 101
Review Questions 111
Chapter 7 References and Embedded Resources 115
Page Anchors 116
External Resource Links 117
Using Images 118
The img Tag and Its Attributes 119
Inline or Background Images 120
Image Maps 122
File Formats 124
The Tag 125
Summary 126
Exam Essentials 126
Review Questions 131
Chapter 8 Creating HTML Forms 135
Anatomy of an Input Form 136
Commonly Used Attributes 137
Button Types 142
Adding Functionality 143
Radio Buttons and Check Boxes 145
A Form for Reviews 146
Summary 146
Exam Essentials 147
Review Questions 154
Chapter 9 Introducing CSS 159
Applying Styles to HTML 160
The style Attribute 160
CSS Rules and Selectors 161
The Tag 162
CSS Stored in Separate Files 164
CSS Accessibility Features 165
Summary 166
Exam Essentials 166
Review Questions 171
Chapter 10 Applying CSS Styles 175
Other Selectors 176
CSS Inheritance 180
CSS Pseudo- Classes 181
CSS Order of Precedence 182
Summary 183
Exam Essentials 183
Review Questions 188
Chapter 11 CSS Styling Fundamentals 193
Units of Measure 194
Absolute Units 194
Relative Units 195
Common Properties 196
Color 197
Background 198
Borders 200
Font 201
Text 202
List Style 204
Line Height 206
Summary 208
Exam Essentials 209
Review Questions 213
Chapter 12 CSS Layout and Box Model 217
The CSS Box Model 218
CSS Box Model Parts 219
Element Dimensions 219
CSS Website Layout 221
Elements and Their Positions 221
Text Flow 221
Document Flow 222
Other Layout Features 224
Summary 226
Exam Essentials 227
Review Questions 233
Chapter 13 JavaScript Essentials 237
JavaScript Statements and Syntax 238
Adding Comments 240
Inserting JavaScript into HTML 241
JavaScript as an External File 242
The JavaScript Console 244
Summary 245
Exam Essentials 246
Review Questions 249
Chapter 14 JavaScript Data 253
Variables, Constants, and Scope 254
Variables 254
Constants 255
Scope 255
Objects and Methods 256
Data Types 258
Primitive Types 258
Arrays 259
Strings 260
Operators and Precedence 261
Data Conversions 263
Summary 264
Exam Essentials 265
Review Questions 269
Chapter 15 Functions and Control Structures 273
Functions 274
Function Syntax 274
Starting and Stopping Functions 275
Functions and Variables 276
Conditional Statements 276
Comparison Operators 280
Data Coercion 280
Truthy and Falsy Values 281
Summary 281
Exam Essentials 281
Review Questions 285
Chapter 16 The DOM 291
DOM Structure 292
DOM Methods and Properties 296
Adding and Deleting Classes and Attributes 296
Retrieving and Setting Values 297
Changing CSS Styling Using the DOM 299
DOM Events 300
Summary 301
Exam Essentials 301
Review Questions 305
Chapter 17 NodeJS Basics 309
What Is Node.js? 310
Installing Node.js 311
Installing a Node.js Module 312
Running a Node.js App 313
Summary 313
Exam Essentials 314
Review Questions 317
Chapter 18 NodeJS Express 321
Node.js vs. Node.js Express 322
Installing Express 322
Routing and Serving Files 325
User Input and Validation 327
Templates 331
Template Engines 331
HTML Templates 331
Security Concerns 333
Cross-Site Scripting 333
Cross-Site Request Forgery 333
Summary 333
Exam Essentials 333
Review Questions 337
Chapter 19 Manipulating SQLite with NodeJS 341
Installing the SQLite Module 342
Creating a SQLite Database 342
Opening and Closing the Database 343
In Terminal 343
In NodeJS 344
Managing SQLite Data with NodeJS 345
Entering Data 346
Changing Data 346
Running Queries 347
Security Concerns 349
Summary 349
Exam Essentials 350
Review Questions 356
Appendix Answers to Review Questions 361
Chapter 1: Web Development Basics 362
Chapter 2: Client/Server Computing 363
Chapter 3: Database Management Systems 365
Chapter 4: Client/Server Communication 367
Chapter 5: HTML Introduction 369
Chapter 6: Content Markup 370
Chapter 7: References and Embedded Resources 372
Chapter 8: Creating HTML Forms 373
Chapter 9: Introducing CSS 375
Chapter 10: Applying CSS Styles 376
Chapter 11: CSS Styling Fundamentals 378
Chapter 12: CSS Layout and Box Model 380
Chapter 13: JavaScript Essentials 381
Chapter 14: JavaScript Data 383
Chapter 15: Functions and Control Structures 384
Chapter 16: The DOM 386
Chapter 17: NodeJS Basics 388
Chapter 18: NodeJS Express 389
Chapter 19: Manipulating SQLite with NodeJS 391
Index 395
About the Author :
ABOUT THE AUTHOR
Audrey O’Shea currently teaches electronics and information technology at a technical school in upstate New York. She has been working and educating in IT since 1989 and her career has included positions of network administrator, tech support specialist, trainer and consultant.
