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In the newly revised Third Edition of CompTIA Cloud+ Study Guide: Exam CVO-003, expert IT Ben Piper delivers an industry leading resource for anyone preparing for the CompTIA Cloud+ certification and a career in cloud services. The book introduces candidates to the skills and the competencies critical for success in the field and on the exam.
The book breaks down challenging cloud management concepts into intuitive and manageable topics, including cloud architecture and design, cloud security, deployment, operations and support, and cloud troubleshooting. It also offers practical study features, like Exam Essentials and challenging chapter review questions.
Written in a concise and straightforward style that will be immediately familiar to the hundreds of thousands of readers who have successfully use other CompTIA study guides to further their careers in IT, the book offers:
Perfect for everyone preparing for the CompTIA Cloud+ Exam CV0-003 certification, this book is an ideal resource for current and aspiring cloud services professionals seeking an efficient and up-to-date resource that will dramatically improve their ability to maintain, secure, and optimize cloud environments.
ABOUT THE AUTHOR
Ben Piper, is an IT consultant who has created more than 30 educational courses covering cloud technologies, networking, and automation. Learn more about Ben from his website at www.benpiper.com.
Introduction xxiii
Assessment Test lvi
Answers to Assessment Test lxxvii
Chapter 1 Introducing Cloud Computing Configurations and Deployments 1
Introducing Cloud Computing 4
Virtualization 7
Cloud Service Models 10
Cloud Reference Designs and Delivery Models 14
Introducing Cloud Concepts and Components 16
Connecting the Cloud to the Outside World 18
Deciding Whether to Move to the Cloud 18
Selecting Cloud Compute Resources 18
Hypervisor Affinity Rules 19
Validating and Preparing for the Move to the Cloud 19
Choosing Elements and Objects in the Cloud 20
Internet of Things 21
Machine Learning/Artificial Intelligence (AI) 21
Creating and Validating a Cloud Deployment 22
The Cloud Shared Resource Pooling Model 23
Organizational Uses of the Cloud 27
Scaling and Architecting Cloud Systems Based on Requirements 29
Understanding Cloud Performance 29
Delivering High Availability Operations 30
Managing and Connecting to Your Cloud Resources 30
Is My Data Safe? (Replication and Synchronization) 32
Understanding Load Balancers 34
Cloud Testing 35
Verifying System Requirements 36
Correct Scaling for Your Requirements 36
Making Sure the Cloud Is Always Available 37
Remote Management of VMs 39
Monitoring Your Cloud Resources 41
Writing It All Down (Documentation) 41
Creating Baselines 41
Shared Responsibility Model 42
Summary 43
Exam Essentials 43
Written Lab 45
Review Questions 46
Chapter 2 Cloud Deployments 51
Executing a Cloud Deployment 58
Understanding Deployment and Change Management 59
Cloud Deployment Models 65
Network Deployment Considerations 67
Service Level Agreements 77
Matching Data Center Resources to Cloud Resources 78
What Are Available and Proposed Hardware Resources? 78
Templates and Images 81
Physical Resource High Availability 82
Introducing Disaster Recovery 82
Physical Hardware Performance Benchmarks 83
Cost Savings When Using the Cloud 83
Energy Savings in the Cloud 84
Shared vs. Dedicated Hardware Resources in a Cloud Data Center 84
Microservices 84
Configuring and Deploying Storage 86
Identifying Storage Configurations 86
Storage Provisioning 90
Storage Priorities: Understanding Storage Tiers 94
Managing and Protecting Your Stored Data 95
Storage Security Considerations 102
Accessing Your Storage in the Cloud 105
Performing a Server Migration 105
Different Types of Server Migrations 106
Addressing Application Portability 109
Workload Migration Common Procedures 110
Examining Infrastructure Capable of Supporting a Migration 110
Managing User Identities and Roles 111
RBAC: Identifying Users and What Their Roles Are 112
What Happens When You Authenticate? 113
Understanding Federation 113
Single Sign-On Systems 113
Understanding Infrastructure Services 114
Summary 117
Exam Essentials 118
Written Lab 119
Review Questions 120
Chapter 3 Security in the Cloud 125
Cloud Security Compliance and Configurations 128
Establishing Your Company’s Security Policies 130
Selecting and Applying the Security Policies to Your Cloud Operations 130
Some Common Regulatory Requirements 130
Encrypting Your Data 134
Remote Access Protocols 139
Automating Cloud Security 140
Security Best Practices 141
Access Control 144
Accessing Cloud-Based Objects 144
Cloud Service Models and Security 146
Cloud Deployment Models and Security 147
Role-Based Access Control 148
Mandatory Access Control 148
Discretionary Access Control 148
Multifactor Authentication 149
Single Sign-On 149
Summary 149
Exam Essentials 150
Written Lab 151
Review Questions 153
Chapter 4 Implementing Cloud Security 157
Implementing Security in the Cloud 159
Data Classification 159
Segmenting Your Deployment 160
Implementing Encryption 162
Applying Multifactor Authentication 163
Regulatory and Compliance Issues During Implementation 164
Cloud Access Security Broker 165
Automating Cloud Security 165
Automation Tools 166
Techniques for Implementing Cloud Security 168
Security Services 170
Summary 173
Exam Essentials 174
Written Lab 175
Review Questions 177
Chapter 5 Maintaining Cloud Operations 183
Applying Security Patches 187
Patching Cloud Resources 187
Patching Methodologies 189
Patching Order of Operations and Dependencies 193
Updating Cloud Elements 193
Hotfix 193
Patch 194
Version Update 194
Rollback 195
Workflow Automation 195
Continuous Integration and Continuous Deployment 196
Virtualization Automation Tools and Activities 197
Storage Operations 199
Types of Backups 199
Backup Targets 203
Backup and Restore Operations 205
Summary 206
Exam Essentials 207
Written Lab 209
Review Questions 210
Chapter 6 Disaster Recovery, Business Continuity, and Ongoing Maintenance 215
Implementing a Disaster Recovery and Business Continuity Plan 216
Service Provider Responsibilities and Capabilities 217
Disaster Recovery Models and Techniques 219
Business Continuity 225
Establishing a Business Continuity Plan 225
Establishing Service Level Agreements 227
Cloud Maintenance 228
Establishing Maintenance Windows 228
Maintenance Interruptions to Operations 229
Maintenance Automation Impact and Scope 229
Common Maintenance Automation Tasks 229
Summary 233
Exam Essentials 234
Written Lab 235
Review Questions 236
Chapter 7 Cloud Management 241
Cloud Metrics 244
Monitoring Your Deployment 246
Cloud Support Agreements 250
Standard Cloud Maintenance Responsibilities 250
Configuration Management Applications and Tools 251
Change Management Processes 251
Adding and Removing Cloud Resources 252
Determining Usage Patterns 252
Bursting 252
Migrating Between Cloud Providers 252
Scaling Resources to Meet Requirements 253
Extending the Scope of the Cloud 256
Understanding Application Life Cycles 256
Organizational Changes 257
Managing Account Provisioning 258
Account Identification 258
Authentication 259
Authorization 259
Lockout Policies 259
Password Complexity 259
Account Automation and Orchestration 260
Summary 261
Exam Essentials 262
Written Lab 263
Review Questions 264
Chapter 8 Cloud Management Baselines, Performance, and SLAs 269
Measuring Your Deployment Against the Baseline 272
Object Tracking for Baseline Validation 273
Applying Changes to the Cloud to Meet Baseline Requirements 277
Changing Operations to Meet Expected Performance/Capacity Requirements 280
Cloud Accounting, Chargeback, and Reporting 281
Summary 284
Exam Essentials 285
Written Lab 286
Review Questions 287
Chapter 9 Troubleshooting 291
Incident Management 294
Incident Types 294
Logging Incidents 298
Prioritizing Incidents 298
Preparation 299
Templates 300
Time Synchronization 301
Workflow 301
Troubleshooting Cloud Capacity Issues 301
Capacity Boundaries in the Cloud 301
Troubleshooting Automation and Orchestration 304
Process and Workflow Issues 305
Summary 307
Exam Essentials 308
Written Lab 309
Review Questions 310
Chapter 10 Troubleshooting Networking and Security Issues and Understanding Methodologies 315
Troubleshooting Cloud Networking Issues 317
Identifying the Common Networking Issues in the Cloud 318
Network Troubleshooting and Connectivity Tools 324
Remote Access Tools 333
Troubleshooting Security Issues 336
Account Privilege Escalation 336
Network Access Issues 337
Authentication 337
Authorization 337
Federations 338
Certificate Configuration Issues 338
Device-Hardening
Settings 338
External Attacks 339
Internal Attacks 339
Maintain Sufficient Security Controls and Processes 339
Network Access Tunneling and Encryption 340
Troubleshooting Methodology 340
Identifying the Problem 341
Establishing a Theory 341
Testing the Theory 343
Creating and Implementing a Plan of Action 344
Verifying the Resolution 344
Documenting the Ordeal 344
Summary 344
Exam Essentials 345
Written Lab 346
Review Questions 347
Appendix A Answers to Review Questions 353
Chapter 1: Introducing Cloud Computing Configurations and Deployments 354
Chapter 2: Cloud Deployments 355
Chapter 3: Security in the Cloud 356
Chapter 4: Implementing Cloud Security 358
Chapter 5: Maintaining Cloud Operations 359
Chapter 6: Disaster Recovery, Business Continuity, and Ongoing Maintenance 361
Chapter 7: Cloud Management 362
Chapter 8: Cloud Management Baselines, Performance, and SLAs 364
Chapter 9: Troubleshooting 365
Chapter 10: Troubleshooting Networking and Security Issues and Understanding Methodologies 367
Appendix B Answers to Written Labs 369
Chapter 1: Introducing Cloud Computing Configurations and Deployments 370
Chapter 2: Cloud Deployments 370
Chapter 3: Security in the Cloud 371
Chapter 4: Implementing Cloud Security 371
Chapter 5: Maintaining Cloud Operations 371
Chapter 6: Disaster Recovery, Business Continuity, and Ongoing Maintenance 372
Chapter 7: Cloud Management 372
Chapter 8: Cloud Management Baselines, Performance, and SLAs 373
Chapter 9: Troubleshooting 373
Chapter 10: Troubleshooting Networking and Security Issues and Understanding Methodologies 374
Index 375
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