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CompTIA Linux+ XK0-005 Cert Guide Premium Edition and Practice Test

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Description

  • Copyright 2024
  • Edition: 1st
  • Premium Edition eBook
  • ISBN-10: 0-13-786660-7
  • ISBN-13: 978-0-13-786660-1

CompTIA Linux+ XK0-005 Cert Guide Premium Edition eBook and Practice Test

The CompTIA Linux+ XK0-005 Cert Guide Premium Edition eBook and Practice Test, is a digital-only certification preparation product combining an eBook with enhanced Pearson Test Prep practice test software. The Premium Edition eBook and Practice Test contains the following items:

  • The CompTIA Linux+ XK0-005 Premium Edition Practice Test, including four full practice exams and enhanced practice test features
  • PDF and EPUB formats of the CompTIA Linux+ XK0-005 Cert Guide from Pearson IT Certification, which are accessible via your PC, tablet, and smartphone

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson Test Prep practice test software with four full practice exams. In addition, it contains all the chapter-opening assessment questions from the book. This integrated learning package

  • Allows you to focus on individual topic areas or take complete, timed exams
  • Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
  • Provides unique sets of exam-realistic practice questions
  • Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most

Pearson Test Prep practice test software minimum system requirements:

Pearson Test Prep online system requirements:

Browsers: Microsoft Edge 90 and above, Chrome version 105 and above, and Safari version 13 and above.

Devices: Desktop and laptop computers, tablets running Android v10.0 and above or iPad OS v14 and above, smartphones running Android v10.0 and above or iOS v14 and above with a minimum screen size of 4.7". Internet access required.

Pearson Test Prep offline system requirements:

Windows 11, Windows 10, Windows 8.1; Microsoft .NET Framework 4.5 Client; Pentium-class 1 GHz processor (or equivalent); 512 MB RAM; 650 MB disk space plus 50 MB for each downloaded practice

Sample Content

Table of Contents

            Introduction xliii

Part I: System Management (Obj. 1.1 - 1.7)

Chapter 1 Understanding Linux Fundamentals 3

            Do I Know This Already? Quiz 3

            Foundation Topics 6

            Filesystem Hierarchy Standard 6

            Basic Boot Process 8

            Boot Loaders and Files 14

            When Kernels Panic 22

            Device Types in /dev 23

            Installing Software from Source 24

            Storage Concepts 28

            Listing Your Hardware Info 35

            Summary 38

            Exam Preparation Tasks 39

            Review All Key Topics 39

            Define Key Terms 40

            Review Questions 40

Chapter 2 Managing Files and Directories 43

            Do I Know This Already? Quiz 43

            Foundation Topics 46

            File and Directory Operations 46

            File Metadata and File Types 57

            Soft and Hard Links 60

            File Compression, Archiving, and Backup 63

            Copying Objects Between Systems 78

            File Editing 82

            Feeling a Bit (awk)ward 92

            The printf Function 94

            Summary 95

            Exam Preparation Tasks 96

            Review All Key Topics 96

            Define Key Terms 97

            Review Questions 97

Chapter 3 Configuring and Managing Storage 101

            Do I Know This Already? Quiz 101

            Foundation Topics 104

            Determining Storage Hardware 104

            Performing Disk Partitioning 108

            Inspecting and Managing Software RAID 114

            Using Logical Volume Manager (LVM) 114

            Mounting Local and Remote Devices 118

            Monitoring Storage Space and Disk Usage 123

            Filesystem Management 126

            Storage Area Networks/Network-Attached Storage 131

            Summary 134

            Exam Preparation Tasks 135

            Review All Key Topics 135

            Define Key Terms 136

            Review Questions 136

Chapter 4 Managing Processes and Services 139

            Do I Know This Already? Quiz 139

            Foundation Topics 142

            Managing Processes 142

            systemd 159

            Scheduling Services 170

            Summary 180

            Exam Preparation Tasks 181

            Review All Key Topics 181

            Define Key Terms 182

            Review Questions 182

Chapter 5 Using Network Tools and Configuration Files 185

            Do I Know This Already? Quiz 186

            Foundation Topics 188

            Interface Management 188

            Name Resolution 199

            Network Monitoring 207

            Remote Networking Tools 217

            Summary 221

            Exam Preparation Tasks 222

            Review All Key Topics 222

            Define Key Terms 223

            Review Questions 223

Chapter 6 Building and Installing Software 225

            Do I Know This Already? Quiz 226

            Foundation Topics 228

            Package Management 228

            Sandboxed Applications 268

            System Updates 270

            Summary 275

            Exam Preparation Tasks 276

            Review All Key Topics 276

            Define Key Terms 277

Chapter 7 Managing Software Configurations 281

            Do I Know This Already? Quiz 281

            Foundation Topics 283

            Updating Configuration Files 283

            Configuring Kernel Options 289

            Configuring Common System Services 300

            Representing Locales 304

            Summary 315

            Exam Preparation Tasks 316

            Review All Key Topics 316

            Define Key Terms 317

            Review Questions 317

Part II: Security (Obj. 2.1 - 2.5)

Chapter 8 Understanding Linux Security Best Practices 321

            Do I Know This Already? Quiz 321

            Foundation Topics 323

            Public Key Infrastructure 323

            Certificate Use Cases 325

            Authentication 326

            Linux Hardening 333

            Summary 348

            Exam Preparation Tasks 349

            Review All Key Topics 349

            Define Key Terms 350

            Review Questions 350

Chapter 9 Implementing Identity Management 353

            Do I Know This Already? Quiz 353

            Foundation Topics 355

            Account Creation and Deletion 355

            Summary 374

            Exam Preparation Tasks 375

            Review All Key Topics 375

            Define Key Terms 375

            Review Questions 376

Chapter 10 Implementing and Configuring Firewalls 379

            Do I Know This Already? Quiz 379

            Foundation Topics 382

            Common Firewall Technologies 382

            Understanding iptables 385

            Additional Firewall Technologies 398

            Summary 400

            Exam Preparation Tasks 401

            Review All Key Topics 401

            Define Key Terms 401

            Review Questions 402

Chapter 11 Using Remote Connectivity for System Management 405

            Do I Know This Already? Quiz 405

            Foundation Topics 408

            SSH (Secure Shell) 408

            Executing Commands as Another User 416

            Summary 421

            Exam Preparation Tasks 422

            Review All Key Topics 422

            Define Key Terms 423

            Review Questions 423

Chapter 12 Understanding and Applying Access Controls 427

            Do I Know This Already? Quiz 427

            Foundation Topics 429

            File Permissions 429

            File and Directory Ownership 434

            Understanding and Using umask 437

            Permission Granularity Issues 437

            Finding Files by Permission 444

            Access Control Lists 445

            Context-Based Access 448

            Command-Line Utilities 457

            Summary 457

            Exam Preparation Tasks 458

            Review All Key Topics 458

            Define Key Terms 458

            Review Questions 459

Part III: Scripting, Containers and Automation (Obj. 3.1 - 3.5)

Chapter 13 Automating Tasks via Shell Scripting 463

            Do I Know This Already? Quiz 463

            Foundation Topics 466

            Shell Script Elements 466

            Environment Variables and Settings 469

            Working with Input/Output Streams 475

            Shell Script Elements 487

            Summary 517

            Exam Preparation Tasks 518

            Review All Key Topics 518

            Define Key Terms 519

            Review Questions 519

Chapter 14 Performing Basic Container Operations 523

            Do I Know This Already? Quiz 523

            Foundation Topics 525

            Container Management 525

            Container Image Operations 533

            Summary 534

            Exam Preparation Tasks 535

            Review All Key Topics 535

            Define Key Terms 535

            Review Questions 536

Chapter 15 Performing Basic Version Control Using Git 539

            Do I Know This Already? Quiz 539

            Foundation Topics 541

            Version Control Concepts 541

            Using Git for Version Control 546

            Summary 568

            Exam Preparation Tasks 569

            Review All Key Topics 569

            Define Key Terms 569

            Review Questions 570

Chapter 16 Understanding Infrastructure as Code 573

            Do I Know This Already? Quiz 573

            Foundation Topics 576

            File Formats 576

            Infrastructure as Code Concepts 579

            Continuous Integration/Continuous Deployment 588

            Advanced Git Topics 590

            Summary 591

            Exam Preparation Tasks 592

            Review All Key Topics 592

            Define Key Terms 593

            Review Questions 593

Chapter 17 Understanding Containers, Cloud, and Orchestration 597

            Do I Know This Already? Quiz 597

            Foundation Topics 600

            Kubernetes Benefits and Application Use Cases 600

            Single-Node Multicontainer Use Cases 604

            Container Persistent Storage 605

            Container Networks 608

            Service Mesh 611

            Bootstrapping 612

            Container Registries 613

            Summary 614

            Exam Preparation Tasks 615

            Review All Key Topics 615

            Define Key Terms 616

            Review Questions 616

Part IV: Troubleshooting (Obj. 4.1 - 4.5)

Chapter 18 Analyzing and Troubleshooting Storage Issues 619

            Do I Know This Already? Quiz 619

            Foundation Topics 623

            High Latency Issues 623

            Low Throughput Issues 627

            Input/Output Operations per Second Scenarios 631

            Capacity Issues 633

            Filesystem Issues 638

            I/O Scheduler Issues 643

            Device Issues 647

            LVM Issues 656

            Mount Option Issues 659

            Exam Preparation Tasks 663

            Review All Key Topics 663

            Define Key Terms 664

            Review Questions 664

Chapter 19 Analyzing and Troubleshooting Network Resource Issues 667

            Do I Know This Already? Quiz 667

            Foundation Topics 670

            Network Configuration Issues 670

            Firewall Issues 674

            Interface Errors 679

            Bandwidth Limitations 686

            Name Resolution Issues 687

            Testing Remote Systems 689

            Summary 696

            Exam Preparation Tasks 697

            Review All Key Topics 697

            Define Key Terms 698

            Review Questions 698

Chapter 20 Analyzing and Troubleshooting CPU and Memory Issues 701

            Do I Know This Already? Quiz 701

            Foundation Topics 704

            Runaway and Zombie Processes 704

            High CPU Utilization/Load Average/Run Queues 707

            CPU Times and CPU Process Priorities 711

            Memory Exhaustion and Out of Memory 713

            Swapping 717

            Hardware 719

            Summary 720

            Exam Preparation Tasks 721

            Review All Key Topics 721

            Define Key Terms 721

            Review Questions 721

Chapter 21 Analyzing and Troubleshooting User and File Permissions 725

            Do I Know This Already? Quiz 725

            Foundation Topics 728

            User Login Issues 728

            User File Access Issues 731

            Password Issues 735

            Privilege Elevation Issues 736

            Quota Issues 736

            Summary 738

            Exam Preparation Tasks 739

            Review All Key Topics 739

            Define Key Terms 739

            Review Questions 739

Chapter 22 Analyzing and Troubleshooting Common Problems Using Systemd 743

            Do I Know This Already? Quiz 743

            Foundation Topics 745

            Unit Files 745

            Common Problems 756

            Summary 761

            Exam Preparation Tasks 762

            Review All Key Topics 762

            Define Key Terms 762

            Review Questions 763

Chapter 23 Final Preparation 765

            Exam Information 765

            Getting Ready 767

            Tools for Final Preparation 768

            Suggested Plan for Final Review/Study 772

            Summary 772

Appendix A Answers to the Do I Know This Already? Quizzes and Review Questions 773

Glossary 790

Online Elements:

Appendix B Study Planner

9780137866885, TOC, 10/3/23

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