Montgomery / Olson - Montgomery, T: CompTIA Cloud+ Study Guide

Montgomery, T: CompTIA Cloud+ Study Guide

Medium: Buch

ISBN: 978-1-119-44305-6

Verlag: John Wiley & Sons Inc

Erscheinungstermin: 29.05.2018

47,50 € 44,39 € (zzgl. MwSt.)

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Introduction xvii

Cloud+ Assessment Test xl

Chapter 1 An Introduction to Cloud Computing Configurations and Deployments 1

Introducing Cloud Computing 3

Cloud Service Models 7

Cloud Reference Designs and Delivery Models 11

Introducing Cloud Components 13

Connecting the Cloud to the Outside World 14

Initial Documentation 14

Selecting Cloud Compute Resources 14

Validating and Preparing for the Move to the Cloud 15

What Is the Architecture? 15

Choosing Elements and Objects in the Cloud 16

Creating and Validating a Cloud Deployment 16

The Cloud Shared Resource Pooling Model 16

Organizational Uses of the Cloud 19

Scaling and Architecting Cloud Systems Based on Requirements 20

Understanding Cloud Performance 21

Delivering High Availability Operations 21

Connecting Your Organization to the Remote Cloud Data Center 22

What Are the Tools Used for Remote Management? 22

Cloud Testing 25

Verifying System Requirements 26

Correct Scaling for Your Requirements 26

Making Sure the Cloud Is Always Available 27

Understanding Direct and Virtual Cloud Connections 28

Keeping Your Data Safe (A Word About Data Integrity) 32

Making Sure Your Cloud Deployment Is Functioning as Expected 32

Writing It All Down (Documentation) 33

Creating a Known Reference Point (Baselines) 33

What Is the Responsibility of the Cloud Service Provider? 33

Variations in the Cloud: Performance Metrics 34

Summary 34

Exam Essentials 35

Written Lab 37

Review Questions 38

Chapter 2 Cloud Deployments 43

Executing a Cloud Deployment 48

Understanding Deployment and Change Management 48

Cloud Deployment Models 54

Network Deployment Considerations 56

Comparing Benchmarks 62

Matching Physical Resources to the Virtualized World of the Cloud 62

What Are Available and Proposed Hardware Resources? 63

Physical Resource High Availability 65

Introducing Disaster Recovery 65

Physical Hardware Performance Benchmarks 66

Costs Savings When Using the Cloud 66

Energy Savings in the Cloud 66

Shared vs. Dedicated Hardware Resources in a Cloud Data Center 67

Configuring and Deploying Storage 67

Identifying Storage Configurations 67

Storage Provisioning 70

Storage Priorities: Understanding Storage Tiers 72

Managing and Protecting Your Stored Data 73

Storage Security Considerations 78

Accessing Your Storage in the Cloud 81

Managing Cloud Storage 82

Performing a Server Migration 82

Different Types of Server Migrations 83

Understanding the Virtualization Formats Needed When Migrating 85

Addressing Application Portability 86

Workload Migration Common Procedures 86

Examining Infrastructure Capable of Supporting a Migration 86

Managing User Identities and Roles 88

RBAC: Identifying Users and What Their Roles Are 88

Identity Applications in the Public Cloud 89

What Happens When You Authenticate? 89

Giving Authorization to Access Specific Cloud Services 89

Understanding Federations 89

Single Sign-on Systems 90

Understanding Infrastructure Services 90

Summary 93

Exam Essentials 94

Written Lab 95

Review Questions 97

Chapter 3 Security in the Cloud 101

Cloud Security Compliance and Configurations 103

Establishing Your Company's Security Policies 104

Selecting and Applying the Security Policies to Your Cloud Operations 105

Some Common Regulatory Requirements 105

Encrypting Your Data 108

Security Certificates and Keys 111

Remote Access Security 113

Automating Cloud Security 114

Security Templates for Compute Platforms 114

Access Control 116

Accessing Cloud-Based Objects 116

Cloud Service Models and Security 118

Cloud Deployment Models and Security 119

Applying Access Controls 120

Summary 122

Exam Essentials 123

Written Lab 124

Review Questions 125

Chapter 4 Implementing Cloud Security 129

Implementing Security in the Cloud 131

Data Classification 131

Segmenting Your Deployment 132

Implementing Encryption 134

Applying Multifactor Authentication 135

Regulatory and Compliance Issues During Implementation 136

Automating Cloud Security 137

Automation Tools 137

Techniques for Implementing Cloud Security 140

Security Services 141

Summary 144

Exam Essentials 145

Written Lab 146

Review Questions 148

Chapter 5 Maintaining Cloud Operations 153

Applying Security Patches 155

Cloud Element Security 155

Patching Methodologies 157

Patching Order of Operations and Dependencies 161

Updating Cloud Elements 161

Understanding the Different Types of Updates 161

Workflow Automation 163

Virtualization Automation Tools and Activities 164

Storage Operations 166

Types of Backups 167

Backup Targets 169

Backup and Restore Operations 171

Summary 173

Exam Essentials 173

Written Lab 174

Review Questions 176

Chapter 6 Disaster Recovery, Business Continuity, and Ongoing Maintenance 181

Implementing a Disaster Recovery and Business Continuity Plan 183

Service Provider Responsibilities and Capabilities 184

Disaster Recovery Models and Techniques 186

Business Continuity 192

Establishing a Business Continuity Plan 193

Establishing Service Level Agreements 195

Cloud Maintenance 196

Establishing Maintenance Windows 196

Maintenance Interruptions to Operations 197

Maintenance Automation Impact and Scope 197

Common Maintenance Automation Tasks 197

Summary 202

Exam Essentials 203

Written Lab 203

Review Questions 205

Chapter 7 Cloud Management 211

Introduction to Cloud Management 214

Cloud Metrics 215

Monitoring Your Deployment 216

Cloud Support Agreements 221

Standard Cloud Maintenance Responsibilities 222

Configuration Management Applications and Tools 222

Change Management Processes 222

Adding and Removing Cloud Resources 224

Determining Usage Patterns 224

Bursting 224

Migrating Between Cloud Providers 224

Scaling Resources to Meet Requirements 225

Extending the Scope of the Cloud 228

Understanding Application Life Cycles 228

Corporate Changes 229

Managing Account Provisioning 230

Account Identification 231

Authentication 231

Authorization 232

Managing the Account Life Cycle 232

Account Automation and Orchestration 233

Summary 234

Exam Essentials 235

Written Lab 236

Review Questions 238

Chapter 8 Cloud Management Baselines, Performance, and SLAs 243

Measuring Your Deployment Against the Baseline 245

Object Tracking for Baseline Validation 246

Applying Changes to the Cloud to Meet Baseline Requirements 249

Changing Operations to Meet Expected Performance/Capacity Requirements 253

Cloud Accounting, Chargeback, and Reporting 255

Summary 257

Exam Essentials 258

Written Lab 259

Review Questions 260

Chapter 9 Troubleshooting 265

Examining Common Cloud Issues 267

Automation 267

Cloud Interoperability 268

Interconnections 269

Language Support 269

Licensing 269

Networking 270

Resource Contention and Starvation 271

Service Outages 271

Templates 272

Time Synchronization 272

Workflow 272

Troubleshooting Cloud Capacity Issues 272

Capacity Boundaries in the Cloud 273

Exceeding Your Baseline Measurements 275

Expecting the Unexpected, Unplanned Expansions 276

Troubleshooting Automation and Orchestration 276

Process and Workflow Issues 276

Summary 280

Exam Essentials 281

Written Lab 282

Review Questions 283

Chapter 10 Troubleshooting Networking and Security Issues and Understanding Methodologies 287

Troubleshooting Cloud Networking Issues 290

Identifying the Common Networking Issues in the Cloud 291

Network Troubleshooting and Connectivity Tools 298

Remote Access Tools 307

Troubleshooting Security Issues 310

Account Privilege Escalation 310

Sign-On Issues 311

Authentication 311

Authorization 311

Confederations 312

Certificate Configuration Issues 312

Device-Hardening Settings 312

External Attacks 313

Identifying Weak or Obsolete Security Technologies 313

Internal Attacks 313

Maintain Sufficient Security Controls and Processes 313

Network Access Tunneling and Encryption 314

Physical Access, Infrastructure, and Availability 314

Unencrypted Communications and Data 315

Troubleshooting Methodology 315

Corporate Policies, Procedures, and the Impact of Implementing Changes 317

Steps to Identify the Problem 318

Summary 320

Exam Essentials 320

Written Lab 322

Review Questions 323

Appendix A Answers to Review Questions 329

Chapter 1: An Introduction to Cloud Computing Configurations and Deployments 330

Chapter 2: Cloud Deployments 331

Chapter 3: Security in the Cloud 332

Chapter 4: Implementing Cloud Security 334

Chapter 5: Maintaining Cloud Operations 335

Chapter 6: Disaster Recovery, Business Continuity, and Ongoing Maintenance 337

Chapter 7: Cloud Management 338

Chapter 8: Cloud Management Baselines, Performance, and SLAs 340

Chapter 9: Troubleshooting 341

Chapter 10: Troubleshooting Networking and Security Issues and Understanding Methodologies 342

Appendix B Answers to Written Labs 345

Chapter 1: An Introduction to Cloud Computing Configurations and Deployments 346

Chapter 2: Cloud Deployments 346

Chapter 3: Security in the Cloud 346

Chapter 4: Implementing Cloud Security 347

Chapter 5: Maintaining Cloud Operations 347

Chapter 6: Disaster Recovery, Business Continuity, and Ongoing Maintenance 348

Chapter 7: Cloud Management 348

Chapter 8: Cloud Management Baselines, Performance, and SLAs 349

Chapter 9: Troubleshooting 349

Chapter 10: Troubleshooting Networking and Security Issues and Understanding Methodologies 350

Index 351

Montgomery, T: CompTIA Cloud+ Study Guide

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Montgomery, T: CompTIA Cloud+ Study Guide

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