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VCAP5-DCA Official Cert Guide: VMware Certified Advanced Professional 5- Data Center Administration

By Steve Baca, John A. Davis

Published by VMware Press

Published Date: May 13, 2014

Description

The VCAP5-DCA Official Cert Guide  presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending “Review Tasks” help you drill on key concepts you must know thoroughly.

 

     •    Master VMware VCAP5-DCA exam topics

     •    Assess your knowledge with chapter-opening quizzes and review tasks

     •    Review key concepts with exam preparation tasks

     •    Prepare and practice with realistic exam scenarios

 

The VCAP5-DCA Official Cert Guide focuses specifically on the objectives for the VMware Certified Advanced Professional 5–Data Center Administration. VMware Certified Instructors (VCI) Steve Baca and John A. Davis share preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

 

This Official Cert Guide comes with access to one set of original practice scenarios designed to prepare you for the experience of the real exam and get you comfortable executing the scenarios in order to complete them in the limited amount of time during the actual test. Content in the practice scenarios maps to the VCAP blueprint and is relevant to both the VDCA510 and VDCA550 exams.  All the scenarios are based on real-world experiences, where administration tasks that are covered by the exam, may need to be applied.

 

Well-regarded for its level of detail, assessment features, comprehensive design scenarios, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will allow you to succeed on  the exam the first time.

 

The VCAP5-DCA Official Cert Guide is part of a recommended learning path from VMware that includes simulation and hands-on training from authorized VMware instructors and self-study products from VMware Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered worldwide, please visit www.vmware.com/training.

 

The official study guide  helps you master many of  the topics on the VCAP5-DCA exam, including

 

     •    Using administrator tools such as the vSphere Client, ESXCLI, vmkfstools, ESXTOP, vCLI, vMA, and PowerCLI.

     •    Understanding the networking features that are available in vSphere, such as VLAN, PVLANS, and Netflow.

     •    Managing vSphere features and technologies that can be used to provide solutions to various storage challenges.

     •    Understanding performance tuning, optimization, and troubleshooting.

     •    Carrying out a cluster configuration, troubleshoot, and management of a vSphere cluster.

     •    Performing patch management and updating of ESXi hosts, virtual machine hardware, VMware Tools, and virtual appliances using VMware Update Manager.

     •    Recognizing how logging works for both ESXi hosts and the vCenter Server.

     •    Identifying the different methods to secure your vSphere environment.

     •    Making sense of Auto Deploy and how its moving parts work.

 

 

 

Table of Contents

    About the Authors xviii

    Dedications xix

    Acknowledgments xx

    About the Reviewers xxi

    Reader Services xxii

    Introduction xxiii

Chapter 1 Administrator Tools 3

    “Do I Know This Already?” Quiz 3

    Foundation Topics 6

    VMware vSphere Client 6

        Installation 6

        Usage 7

    ESXCLI Command Set 11

        Getting Started 11

        Navigating the Namespace 13

        Formatting ESXCLI Output 16

    vmkfstools Command 18

        Help Information 18

        Managing VMFS Datastores 19

        Managing Virtual Disks 22

    esxtop and resxtop Commands 23

        Overview 23

        Usage 24

        Batch Mode 27

    vCLI and vMA 29

        Overview 29

        esxcfg Commands 30

        Deploying the vMA 30

        Authentication and Authorization for the vMA 31

        Fastpass 33

        File Manipulation with vifs 35

    PowerCLI 36

        Installation 37

        Usage 37

        Running Scripts in VMs 41

    Summary 41

    Exam Preparation Tasks 42

    Review All the Key Topics 42

    Key Terms 43

    Review Tasks 43

Chapter 2 Network Administration 45

    “Do I Know This Already?” Quiz 45

    Foundation Topics 48

    Implement and Manage Complex Networks 48

        Overview 48

        Confi gure SNMP 59

        VMware Direct Path I/O 61

        Migrate from Standard to Distributed Virtual Switches 62

        Confi gure Virtual Switches Using CLI Commands 66

        Analyze Virtual Switches Using ESXCLI 67

        Confi gure NetFlow 68

        Discovery Protocols 68

    Confi gure and Maintain VLANs and PVLANs 69

        Types of VLANs and PVLANs 69

        Determine Use Cases for VLAN Trunking 70

        Determine Use Cases for PVLAN Trunking 71

        Command Tools to Troubleshoot and Identify VLAN Confi gurations 73

    Deploy and Maintain Scalable Virtual Networking 74

        Identify NIC Teaming Policies 74

        Determine and Apply Failover Settings 77

        Confi gure Port Groups to Properly Isolate Network Traffi c 79

    Administer vSphere Distributed Switches 79

        Understand the Use of Command-line Tools to Confi gure Distributed Virtual Switch Settings on an ESXi Host 80

        Determine Use Cases and Apply Port Binding Settings 80

        Live Port Moving 81

        Identify Distributed Virtual Switch Technologies to Satisfy Network Requirements 81

        Confi gure and Administer vSphere Network I/O Control 83

    Summary 85

    Exam Preparation Tasks 85

    Review All the Key Topics 85

    Defi nitions of Key Terms 86

    Review Tasks 86

Chapter 3 Storage Concepts 89

    “Do I Know This Already?” Quiz 90

    RAID Levels 92

        Raid-0 (Striping at the Block-level) 92

        Raid 1 (Mirroring) 93

        Raid 5 (Striping with Distributed Parity) 94

    Supported HBA Types 94

    Virtual Disk Format Types 95

        Lazy-zeroed Thick 95

        Eager-zeroed Thick 96

        Thin Provisioned 96

        RDM 98

    N-Port ID Virtualization 99

    VMware DirectPath I/O 101

    vCenter Server Storage Filters 102

    Understanding and Applying VMFS Re-signaturing 104

    VAAI Hardware Acceleration 106

        Block Devices Hardware Acceleration 107

        NAS Hardware Acceleration 108

    Confi guring and Administering Profi le-based Storage 109

    Preparing Storage for Maintenance 114

    Upgrading VMware Storage Infrastructure 115

    Identifying Storage Provisioning Methods 116

    Confi guring Datastore Alarms 117

    Confi guring Datastore Clusters 120

    Confi guring Software iSCSI Port Binding 123

    Pluggable Storage Architecture Layout 124

        MPP 125

        NMP 125

        SATP 126

        PSP 126

    Installing and Confi guring PSA Plug-ins 126

    LUN Masking Using PSA-related Commands 127

    Multipathing Policies 132

    Changing a Multipath Policy 132

    Identifying and Tagging SSD Devices 133

    Summary 134

    Exam Preparation Tasks 135

    Review All the Key Topics 135

    Key Terms 135

    Review Tasks 135

Chapter 4 Performance 139

    “Do I Know This Already?” Quiz 139

    Foundation Topics 142

    Tune and Optimize vSphere Performance 142

        Capacity Planning and Peak Workload 142

        Tune ESXi Host Memory Confi guration 142

    Tune ESXi Host Networking Confi guration 146

        Tune ESXi Host CPU Confi guration 147

        Tune ESXi Host Storage Confi guration 148

        Confi gure and Apply Advanced ESXi Host Attributes 150

        Confi gure and Apply Advanced Virtual Machine Attributes 150

        Confi gure Advanced Cluster Attributes 154

    Optimize Virtual Machine Resources 154

        Tune Virtual Machine Memory Confi gurations 154

        Tune Virtual Machine Networking Confi gurations 155

        Tune Virtual Machine CPU Confi gurations 155

        Tune Virtual Machine Storage Confi gurations 156

        Calculate Available Resources 157

        Properly Size a Virtual Machine Based on Application Workload 158

        Modify Large Memory Page Settings 159

        Understand Appropriate Use Cases for CPU Affi nity 161

        Confi gure Alternative Virtual Machine Swap Locations 162

    Utilize Advanced vSphere Performance Monitoring Tools 163

        Confi gure ESXTOP/RESXTOP Custom Profi les 164

        ESXTOP Interactive, Batch, and Replay Modes 165

        Use vscsiStats to Gather Storage Performance Data 168

    Troubleshoot CPU and Memory Performance 170

        Troubleshoot CPU Performance Issues 170

        Troubleshoot Memory Performance Issues 172

        Use Hot-Add Functionality to Address CPU and Memory Performance Issues 174

    Troubleshoot Network Performance and Connectivity 176

        Use net-dvs to Troubleshoot vSphere Distributed Switch Confi gurations 176

        Use vSphere CLI Commands to Troubleshoot ESXi Network Confi gurations 177

        Troubleshoot Private VLANs 179

        Troubleshoot VMkernel-related Network Confi guration Issues 180

        Troubleshoot DNS- and Routing-related Issues 182

        Use ESXTOP/RESXTOP to Identify Network Performance Problems 183

        Determine Whether the Root Cause Originates in the Physical Network Infrastructure 184

        Confi gure and Administer Port Mirroring 184

        Utilize the DCUI and the ESXi Shell to Troubleshoot ESXi Networking 185

    Troubleshoot Storage Performance and Connectivity 188

        Use ESXCLI Commands to Troubleshoot Multipathing- and PSA-related Issues 188

        Use ESXCLI Commands to Troubleshoot VMkernel Storage Module Confi gurations 192

        Use ESXCLI Commands to Troubleshoot iSCSI-related Issues 193

        Troubleshoot NFS Mounting and Permission Issues 194

        Use ESXTOP and vscsiStats to Identify Storage Performance Issues 196

        Confi gure and Troubleshoot VMFS Datastores Issues Using VMKFSTOOLS 198

        Troubleshoot Storage Snapshot and Resignaturing Issues 200

        Analyze Log Files to Identify Storage and Multipathing Problems 201

    Troubleshoot vCenter Server and ESXi Host Management 202

        Troubleshoot vCenter Server Service and Database Connection Issues 203

        Troubleshoot ESXi Firewall Issues 203

        Troubleshoot ESXi Host Management and Connectivity Issues 205

    Summary 205

    Exam Preparation Tasks 206

    Review All the Key Topics 206

    Defi nitions of Key Terms 206

    Review Tasks 207

Chapter 5 Clusters 209

    “Do I Know This Already?” Quiz 209

    Foundation Topics 212

    VMware High Availability 212

        Overview 212

        Implement and Maintain Complex HA Solutions 213

        Admission Control Policies and Determining the Best Policy 214

        Create a Custom Slot Size Confi guration 215

        Heartbeats and Dependencies 217

        Customize Isolation Response Settings 218

        Confi gure HA Redundancy 218

        Calculate Host Failure Requirements 220

        Confi gure HA-related Alarms and Monitor HA Clusters 221

        Interactions Between DRS and HA 222

        Use PowerCLI to Confi gure HA 222

    VMware Distributed Resource Scheduler 223

        DRS Overview 223

        DRS Confi guration 223

        DRS Affi nity and Anti-affi nity Rules 226

        DRS Alarms 229

        Use PowerCLI to Confi gure DRS 229

    VMware Storage DRS 230

        Storage DRS Overview 230

        Storage DRS Confi guration 230

        Storage DRS Affi nity and Anti-affi nity Rules 233

        Storage DRS Alarms 235

        Use PowerCLI to Confi gure SDRS 237

    VMware Distributed Power Management 237

        DPM Overview 237

        DPM Confi guration 238

        DPM Alarms 241

        Use PowerCLI to Confi gure DPM 241

    VMware Enhanced vMotion Compatibility 241

        EVC Overview 241

        EVC Confi guration 242

    VMware Fault Tolerance 243

        Overview 244

        Requirements 244

        Confi guration and Best Practices 245

        FT Logging Confi guration 246

        Operation 246

    Summary 247

    Exam Preparation Tasks 247

    Review All the Key Topics 247

    Defi nitions of Key Terms 248

    Review Tasks 248

Chapter 6 Patch Management 251

    “Do I Know This Already?” Quiz 251

    Foundation Topics 254

    Install and Confi gure VMware Update Manager 254

        Overview 254

        VUM Installation 255

        VUM Confi guration 260

    Shared Repository and Download to Repository 263

    Create and Modify Baseline Groups 265

    Orchestrated vSphere Upgrades 267

    Troubleshooting and Reporting 275

        Troubleshooting 276

        VUM Reporting Using Excel 278

        VUM Reporting Using SQL Server Query 278

    Upgrade vApps and Appliances 279

        Upgrade vApps 279

        Smart Rebooting 279

        Upgrade Virtual Appliances 280

    PowerCLI and Update Manager Utility 280

        VUM PowerCLI Installation and Usage 280

        Update Manager Utility 282

    Summary 284

    Exam Preparation Tasks 284

    Review All the Key Topics 284

    Key Terms 285

    Review Tasks 285

Chapter 7 Logging 287

    “Do I Know This Already?” Quiz 288

    Generate vCenter Server and ESXi Log Bundles 290

        Generate a Log Bundle on the ESXi Host Using vSphere Client 290

        Generate a Diagnostic Log Bundle on the ESXi Host/vCenter Server Using vm-support 292

        Generate a Diagnostic Log Bundle on the ESXi Host or vCenter Server Using PowerCLI 293

        Generate a Diagnostic Log Bundle Directly on the vCenter Server 293

        Generate a Diagnostic Log Bundle on the vCenter Server Using vSphere Client 294

    Confi gure Logging Level for the vCenter Server 297

    Log Files 298

        ESXi Host Log Files 298

        vCenter Server Log Files 299

        Viewing Log Files 299

    Use ESXCLI System Syslog to Confi gure Centralized Logging on ESXi Hosts 300

    Install and Confi gure VMware Syslog Collector 303

        vCenter Server Appliance and Syslog Collector 303

        Windows vCenter Server and Syslog Collector 303

    Analyze and Test Logging Confi guration Information 304

        Analyze Log Files to Resolve Issues 305

    Install and Confi gure vSphere ESXi Dump Collector 307

        vCenter Server Appliance and Dump Collector 308

        Windows-based vCenter Server and the ESXi Dump Collector 309

        Confi gure ESXi Dump Collector with esxcli 309

    Summary 309

    Exam Preparation Tasks 309

    Review All the Key Topics 309

    Key Terms 310

    Review Tasks 311

Chapter 8 Security and Firewall 313

    “Do I Know This Already?” Quiz 313

    Foundation Topics 316

    Users and Groups on an ESXi Host 316

    Customize SSH Settings for Increased Security 319

    Enable/Disable Certifi cate Checking 321

    Generate ESXi Host Certifi cates 321

    Replace Default Certifi cate with CA-Signed Certifi cate 323

    Enable ESXi Lockdown Mode 324

        Modify Lockdown Mode Using the vSphere Client 325

        Modify Lockdown Mode Using ESXi Shell Command Line 325

        Confi gure Lockdown Mode Using the Direct Console User Interface 326

        Enable or Disable Lockdown Mode with PowerCLI 326

    Confi gure SSL Timeouts 328

        Confi gure Timeout Values via the SSH Command Line 329

    Confi gure vSphere Authentication Proxy 329

    Enable Strong Passwords and Confi gure Password Policies 330

    Identify Methods for Hardening Virtual Machines 332

        Protect the Number of Consoles for the Virtual Machine 333

        Prevent Virtual Disk Shrinking 333

        Prevent Copy and Paste to a Remote Console from the Clipboard 334

        Control Virtual Hardware Usage 334

        Restrict the VMCI Interface 334

        Limit Messages Sent to VMX Files (setinfo) 335

        Control VM Logging Functions 335

        Secure Perfmon Integration 336

        Install Antivirus Software 336

    Manage Active Directory Integration 336

        Confi gure Active Directory Using the Command Line 338

        Confi gure Active Directory Using PowerCLI 338

    Security Profi le—Services and Firewall Section 338

    The Preconfi gured Services Open by Default 339

    The Firewall Ports Open by Default 339

    What Is a Firewall Ruleset? 340

    Confi gure the ESXi Firewall 341

    Confi gure the Firewall Service Properties Using vSphere Client 342

    Confi gure the ESXi Firewall Properties Using vSphere Client 344

    Confi gure the ESXi Firewall Using esxcli 345

    Confi gure the ESXi Firewall Using PowerCLI 346

    Enable/Disable Preconfi gured Services 347

    Open/Close Firewall Ports 348

    Create a Custom Service 350

    Set Firewall Security Level 351

    Summary 352

    Exam Preparation Tasks 352

    Review All the Key Topics 352

    Key Terms 353

    Review Tasks 353

Chapter 9 Auto Deploy 357

    “Do I Know This Already?” Quiz 357

    Auto Deploy Architecture 360

        Auto Deploy Rules Engine 362

        Image Profi les Using Image Builder 363

        Software or Public Depot 365

    Install and Uninstall Custom Drivers 366

        Identify Auto Deploy Requirements 366

        PowerCLI 367

    The PXE Boot Environment 367

    The Auto Deploy Server 369

        vCenter Server with Host Profi les 370

        Install and Build Auto Deploy 372

        Bulk Licensing 374

        Provision and Re-provision ESXi Hosts Using Auto Deploy 375

    Using a Host Profi le from a Reference Host with Auto Deploy 376

        Use Profi le Editor to Edit Policies 378

        Confi gure Advanced Boot Loader Options 379

        Confi gure Kernel Options 380

    Summary 381

    Exam Preparation Tasks 382

    Review All the Key Topics 382

    Key Terms 382

    Review Tasks 383

Chapter 10 Scenarios 385

    Foundation Topics 386

    Implement and Manage Storage—Scenarios 386

    Implement and Manage Network—Scenarios 387

    Deploy DRS Clusters and Manage Performance—Scenarios 389

    Manage Business Continuity and Protected Data—Scenarios 390

    Perform Operational Maintenance—Scenarios 391

    Perform Advance Troubleshooting—Scenarios 392

    Secure a vSphere Environment—Scenarios 394

    Perform Scripting and Automation—Scenarios 395

    Perform Advanced vSphere Installations and Confi gurations—Scenarios 395

    Summary 397

Appendix A Answers to the “Do I Know This Already?” Quizzes 399

Appendix B Hands-On Solutions to Chapter 10 Scenarios 403

Glossary 417

TOC, 9780789753236, 4/14/2014

 

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ISBN-13: 978-0-7897-5323-6

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