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More About This Title CompTIA Cloud+ Study Guide Exam CV0-001
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CompTIA Cloud+ Study Guide covers 100% of all exam CV0-001objectives with in-depth explanations from expert Todd Montgomery. This comprehensive resource covers all aspects of cloud computing infrastructure and administration, with a practical focus on real-world skills. Each chapter includes a list of exam topics, helpful hands-on exercises, and illustrative examples that show how concepts are applied in different scenarios, to help you build a solid foundation of cloud computing skills. You also gain access to the Sybex interactive online learning environment and test bank, featuring electronic flashcards, glossary of key terms, and chapter tests and practice exams that help you test your knowledge and gauge the extent of your understanding.
CompTIA's Cloud+ certification covers the implementation, maintenance, delivery, and security of cloud technologies and infrastructure. With thorough coverage, practical instruction, and expert insight, this book provides an ideal resource for Exam CV0-001 preparation. Master the fundamental concepts, terminology, and characteristics of cloud computingImplement cloud solutions, manage the infrastructure, and monitor performanceInstall, configure, and manage virtual machines and devicesGet up to speed on hardware, testing, deployment, and more
The Cloud+ certification identifies you as the professional these companies need to ensure safe, seamless, functional cloud services, and The CompTIA Cloud+ Study Guide Exam CV0-001 provides the tools you need to be confident on exam day.
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Todd Montgomery, CompTIA Cloud+, Networking+, Security+, is a senior datacenter networking engineer for a Fortune 500 company, where he is involved with network design and implementation of emerging technologies. A 35-year veteran of the IT industry, Todd works with SDN/software defined networking design plans; cloud design and implementation; Cisco Nexus 9k, 7k, 5k, and 2k; Juniper core routing and firewall security products; and Citrix load balancers.
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Assessment Test li
Chapter 1 Cloud Computing Overview, Concepts, and Models 1
Overview of Cloud Computing 3
What Is Cloud Computing? 3
Computing as a Utility Service 3
The Growth of the Cloud 4
Why Do This? 4
Cloud vs. In-House Computing 5
The Past of Computing 5
Present State of Computing 6
The Future of the Cloud 7
Cloud Services Models and Architecture 7
SaaS 7
IaaS 8
PaaS 9
CaaS 10
XaaS 10
DaaS 10
BPaaS 10
Accountability and Responsibility Based on Service Models 10
Cloud Delivery Models 11
Private 11
Public 11
Hybrid 12
Community 12
On-Premise vs. Off-Premise Hosting 13
Security Differences between Models 13
Functionality and Performance Validation Based on Chosen Delivery Model 13
Orchestration Platforms 14
Cloud Characteristics and Terms 14
Elasticity 14
On-Demand 14
Pay-As-You-Grow 15
Chargeback 15
Ubiquitous Access 15
Metering Resource Pooling 15
Multitenancy 15
Cloud Bursting 16
Rapid Deployment 16
Automation 16
Cloud Object Storage Concepts 16
Object ID 16
Metadata 16
Data/BLOB 17
Extended Metadata 17
Policies 17
Replicas 17
Access Control 17
Summary 17
Exam Essentials 18
Written Lab 18
Review Questions 19
Chapter 2 Compute Virtualization in the Cloud 23
Understanding the Hypervisor in a Virtualized Cloud 25
Type 1 and Type 2 Hypervisor Types 25
Proprietary vs. Open Source 26
Consumer vs. Enterprise Use 26
Workstation vs. Infrastructure 27
Setting Up and Managing VMs, Networking, and Storage 27
Creating, Importing, and Exporting Templates and VMs 27
Installing Guest Tools 28
Snapshots and Cloning 28
Image Backups vs. File Backups 29
Virtual NIC 30
Virtual Disks 30
Virtual Switches 30
VLAN 31
VSAN 31
Migrating from Physical Servers to a Virtual Architecture 31
Establish Requirements 31
Maintenance Scheduling 32
Performance Testing 32
Storage Migration 32
Online vs. Offline Migrations 33
Physical-to-Virtual (P2V) 33
Virtual-to-Virtual (V2V) 34
Virtual-to-Physical (V2P) 34
Understanding the Benefits of Virtualization in a Cloud Environment 35
Shared Resources 35
Elasticity 35
The Time to Service/Mean Time to Implement 35
Portability 36
Network and Application Isolation 36
Infrastructure Consolidation 36
Virtual Datacenter Creation 36
Virtual Components in a Cloud Environment 36
Virtual Network Components 36
Shared Memory 37
Virtual CPU 37
Storage Virtualization 37
Summary 37
Exam Essentials 38
Written Lab 38
Review Questions 40
Chapter 3 Cloud Storage and Provisioning 45
Understanding Infrastructure 46
Comparing Storage Technologies 46
Network-Attached Storage (NAS) 46
Direct-Attached Storage (DAS) 47
Storage Area Network (SAN) 48
Working with Storage Protocols 51
FCoE 51
FC 51
Ethernet 52
iSCSI 53
Understanding Protocols and Applications 53
IP 53
FCP 54
iSCSI 54
Management Differences 54
Understanding Storage Configuration Concepts 54
Disk Types 54
SSD vs. Spinning 55
Interfaces Types 55
Access Speed 56
Tiering 56
Performance Levels of Each Tier 57
Policies 57
RAID Levels 57
RAID 0 58
RAID 1 58
RAID 1+0 59
xvi Contents
RAID 0+1 59
RAID 5 60
RAID 6 61
Filesystem Types 61
UFS 61
EXT 62
NTFS 62
FAT 62
VMFS 62
ZFS 63
Using Storage Provisioning and Creating LUNs 63
Creating Network Shares 63
Zoning and LUN Masking 63
Multipathing 64
Implications of Adding Capacity to a NAS and SAN 64
Impact to Operations 65
Downtime 65
Best Practices 65
Summary 65
Exam Essentials 66
Written Lab 67
Review Questions 69
Chapter 4 Cloud Networking Concepts and Implementation 73
Implementing Appropriate Network Configurations 75
NAT 75
PAT 76
Subnetting/Supernetting 77
VLAN and VLAN Tagging 77
Network Port Configurations 78
Switching and Routing in Physical and Virtual Environments 79
The Importance of Network Optimization 80
WAN 80
LAN 81
MAN 82
QoS 82
Bandwidth 83
Latency 83
Compression 83
Caching 84
Load Balancing 84
Devices on the Same Subnet 85
Troubleshooting Basic Network Connectivity Issues 85
Tools 85
Review Documentation and Device Configuration Settings 92
Review System Logs 92
Common Network Protocols, Ports, and Topologies 93
Trunk Ports 93
Port Binding/Aggregation 93
Common Ports 94
Common Protocols 95
Types of Networks 96
Summary 97
Exam Essentials 97
Written Lab 98
Review Questions 99
Chapter 5 Cloud Compute Resources, Concepts, and Implementation 103
Understanding the Hardware Computing Resources in the Cloud 104
BIOS/Firmware Configurations 104
Minimum Memory Capacity and Configuration 106
Number of CPUs 107
Number of Cores 108
NICs Quantity, Speeds, and Configurations 109
Internal Hardware Compatibility 110
Computing Storage Systems 110
HBAs 110
Storage Media 111
Summary 115
Exam Essentials 115
Written Lab 116
Review Questions 117
Chapter 6 Cloud Management Concepts 121
Managing Your Cloud Deployment 122
What Do We Mean by Managing Your Cloud? 122
Who Has Responsibility? 124
Management Models 125
Cloud Provider Management Services 125
What Does the Provider Manage? 126
What Do They Not Manage? 126
Responsibility for Management in the Cloud 127
Management as a Service 127
What Is Management as a service? 127
Cloud Management Providers 128
Outsourcing Your Management Responsibilities or Keeping It in House 128
Remote Access Tools for Managing Your Cloud 128
What Are the Tools Used for Remote Management? 128
VPN Access 129
SNMP 129
Firewalls 130
Summary 130
Exam Essentials 131
Written Lab 131
Review Questions 133
Chapter 7 Cloud Operations 137
Implementing and Using Cloud Resource Monitoring 139
Protocols 139
Alert Methods 142
Establish Baselines and Thresholds 143
Automated Responses to Specific Events 144
Examine Processes Usage and Resource Usage 144
Understanding and Allocating Physical Host Resources 144
Memory 145
CPU 146
Storage and Network Allocation 146
Entitlement/Quotas (Shares) 146
Reservations 147
Licensing 148
Resource Pooling 148
Understanding and Allocating Virtual Host Resources 148
Virtual CPU 149
Memory 149
Storage and Network Allocation 150
Entitlement/Quotas (Shares) 151
Hard Limit, Soft Limit 151
Reservations and Licensing 151
Dynamic Resource Allocation 152
Resource Pooling 152
CPU Affinity 152
Physical Resource Redirection and Mapping to Virtual Resources 153
Accessing Cloud Resources Remotely 153
Remote Hypervisor Access 153
RDP 155
SSH 155
Console Port 156
HTTP 156
Summary 157
Exam Essentials 158
Written Lab 159
Review Questions 160
Chapter 8 Understanding and Maintaining Cloud Security 165
Understanding Network Security Concepts, Tools, and Best Practices 167
ACLs 167
VPNs 168
IDS/IPS 168
Hardware- and Software-Based Firewalls 170
DMZ 170
Review/Audit Logs 171
Attacks 172
Understanding Storage Security Concepts, Methods, and Best Practices 175
Obfuscation 175
Access Control Lists 175
Zoning 176
LUN Masking 176
User and Host Authentication 177
Review/Audit Logs 178
Cloud Encryption Technologies and Methods 178
PKI 178
IPsec 180
SSL/TLS 181
Ciphers 181
Encryption for Data in Transit and Encryption for Data at Rest 183
Understanding User Access Control 183
Role-Based Administration 183
Mandatory Access Controls 184
Discretionary Access Controls 185
Multifactor Authentication 185
Single Sign-On 185
Federation 186
Hardening the Guest OS and Compute Resources 186
Disabling Unneeded Ports and Services 187
User Credentials 187
Host-Based/Software Firewalls 187
Antivirus Software 188
Patching 188
Deactivating Default Accounts 188
Summary 188
Exam Essentials 189
Written Lab 190
Review Questions 191
Chapter 9 Systems Management in the Cloud 195
Understanding Policies and Procedures in the Cloud Environment 197
Network and IP Planning, Documentation 197
Configuration Standardization and Documentation 198
Change Management Best Practices 199
Configuration Management 201
Capacity Management 202
Systems Life-Cycle Management 203
Maintenance Windows 204
Diagnosing, Remediating, and Optimizing Physical Host Performance 205
Disk Performance 205
Disk Tuning 205
Disk Latency 206
Swap Disk Space 206
I/O Tuning 206
Performance Management and Monitoring Tools 207
Establish Baseline and Create Documentation with Appropriate Tools 207
Hypervisor Configuration Best Practices 208
Impact of Configuration Changes to the Virtual Environment 209
Common Issues 209
Understanding Cloud Performance Concepts 212
IOPS 212
Read vs. Write Files 212
Filesystem Performance 213
Metadata Performance 213
Caching 213
Bandwidth 214
Throughput (Bonding/Teaming) 214
Jumbo Frames 215
Network Latency 216
Hop Counts 216
QoS 217
Multipathing 217
Load Balancing 218
Scaling 218
Testing Your Cloud Services Deployment 220
Replication Testing 220
Latency Testing 221
Bandwidth Testing 221
Load Balancing Testing 221
Application Server Testing 221
Storage Testing 222
Application Delivery Testing 222
Service Performance Testing and Application Performance Testing 222
Penetration Testing 222
Vulnerability Assessment 223
Separation of Duties 224
Summary 224
Exam Essentials 225
Written Lab 225
Review Questions 227
Chapter 10 Understanding Business Continuity in the Cloud 231
Disaster Recovery Methods and Concepts 232
Redundancy 233
Failover 234
Failback 234
Geographical Diversity 235
Replication 236
Site Mirroring 236
Hot Site 236
Warm Site 237
Cold Site 238
Backup and Recovery 239
Archiving and Offsite Storage 240
Replication Types 241
Recovery Time Objective 242
Recovery Point Objective 242
Mean Time Between Failures 243
Mean Time to Repair 243
Mission-Critical Requirements 243
High Availability and Fault Tolerance in the Cloud 244
Fault Tolerance 244
Multipathing 246
Load Balancing 246
Summary 247
Exam Essentials 248
Written Lab 248
Review Questions 250
Appendix A Answers to Written Labs 255
Chapter 1: Cloud Computing Overview, Concepts, and Models 256
Chapter 2: Compute Virtualization in the Cloud 256
Chapter 3: Cloud Storage and Provisioning 256
Chapter 4: Cloud Networking Concepts and Implementation 257
Chapter 5: Cloud Compute Resources, Concepts, and Implementation 257
Chapter 6: Cloud Management Concepts 258
Chapter 7: Cloud Operations 258
Chapter 8: Understanding and Maintaining Cloud Security 259
Chapter 9: Systems Management in the Cloud 259
Chapter 10: Understanding Business Continuity in the Cloud 260
Appendix B Answers to Review Questions 261
Chapter 1: Cloud Computing Overview, Concepts, and Models 262
Chapter 2: Compute Virtualization in the Cloud 263
Chapter 3: Cloud Storage and Provisioning 264
Chapter 4: Cloud Networking Concepts and Implementation 266
Chapter 5: Cloud Compute Resources, Concepts, and Implementation 267
Chapter 6: Cloud Management Concepts 268
Chapter 7: Cloud Operations 269
Chapter 8: Understanding and Maintaining Cloud Security 271
Chapter 9: Systems Management in the Cloud 272
Chapter 10: Understanding Business Continuity in the Cloud 273
Index 275
