You are previewing CompTIA Storage+ Quick Review Guide.
O'Reilly logo
CompTIA Storage+ Quick Review Guide

Book Description

Concise, focused coverage of the CompTIA Storage+ exam

Prepare for the CompTIA Storage+ exam with McGraw-Hill Education—a Platinum-Level CompTIA Authorized Partner—and get the competitive edge on exam day! This convenient self-study tool fully covers the vendor-neutral CompTIA Storage+ Powered by SNIA exam. You’ll learn the skills required to configure basic networks to include archive, backup, and restoration technologies. Each chapter includes a list of topics covered, helpful exam tips, and practice exam questions with in-depth answer explanations.

CompTIA Storage+ Quick Review Guide covers all exam topics, including:

  • Storage essentials
  • Storage infrastructure
  • Storage networking
  • Storage hardware
  • Virtualization
  • Storage management
  • Business continuity
  • Security
  • Design
  • Environment
  • Data migration
  • Compliance
  • Deduplication and compression
  • Troubleshooting

Table of Contents

  1. Cover 
  2. About the Author
  3. Title Page
  4. Copyright Page
  5. Dedication
  6. Contents at a Glance
  7. Contents 
  8. Acknowledgments
  9. Introduction
  10. Chapter 1: Storage Essentials
    1. How Disk Storage Systems Work
      1. Physical Components
      2. Solid-State Drive
      3. I/O vs. Throughput
      4. Capacity vs. Speed
    2. Available Disk Interfaces and Their Characteristics
      1. ATA
      2. SCSI
      3. Fibre Channel
      4. SAS
    3. Multiple Disks for Larger Storage and Fault Tolerance
      1. RAID Levels
      2. JBOD
    4. Hosts Interaction with Disks
      1. File Systems
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  11. Chapter 2: Storage Infrastructure
    1. Storage Arrays
      1. Controller Head
      2. Disk Enclosure
      3. Hot-Swap
    2. Storage Area Networks
      1. Fibre Channel
      2. Fabric
      3. FC or iSCSI Protocol
      4. Block Mode
      5. File System on Host
    3. Direct Attached Storage
      1. SCSI
      2. SAS
      3. eSATA
      4. FC
    4. Network Attached Storage
      1. Components
      2. UNC-Addressable Storage
      3. TCP/IP-Based Storage
      4. NAS File System Protocols
      5. Ethernet-Based Storage
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  12. Chapter 3: Storage Networking
    1. Fibre Channel Storage Network
      1. Components
      2. Protocols
      3. Topologies
      4. ISL
      5. Port Channel
      6. Trunking
      7. Port Types
      8. Tools
    2. iSCSI Storage Network
      1. Block Mode
      2. Initiator
      3. Target
      4. Ethernet Switching
      5. Ethernet Features
      6. Tools
    3. Storage over a WAN
      1. Bandwidth
      2. Latency
      3. Flow Control
    4. Chapter Summary
    5. Chapter Review Questions
    6. Chapter Review Answers
  13. Chapter 4: Storage Hardware
    1. Cables
      1. Optical Cables
      2. Copper Cables
    2. Storage Networking Devices
      1. HBA
      2. NIC
      3. CNA
      4. Repeaters and Amplifiers
      5. Ethernet Switch
      6. Fiber Hub
      7. Fiber Switch
      8. Director
      9. Router
      10. Hot-Swappable Network Components
    3. Removable Storage
      1. Tape Media
      2. Optical Media
      3. Flash Media
    4. Chapter Summary
    5. Chapter Review Questions
    6. Chapter Review Answers
  14. Chapter 5: Virtualization
    1. Types of Storage Virtualization
      1. Tape Virtualization
      2. Disk Virtualization
      3. Block Virtualization
      4. File Virtualization
    2. Host Virtualization
      1. LVM
      2. Virtual Provisioning
      3. Implementing Host Virtualization
    3. Array-Based Virtualization
      1. Virtual Provisioning of the Array
      2. Implementing Array-Based Virtualization
    4. Network Virtualization
      1. Concepts
      2. Methods
      3. Provisioning the Logical Fabric
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  15. Chapter 6: Storage Management
    1. Storage Provisioning
      1. LUN Provisioning
      2. Thick Provisioning
      3. Thin Provisioning
      4. Best Practices for Disk Provisioning
      5. Oversubscription
    2. Management Protocols
      1. SNMP
      2. WBEM
      3. SMI-S
      4. In-Band vs. Out-of-Band Management
    3. Storage Administration
      1. GUI
      2. CLI
    4. Storage Monitoring, Alerting, and Reporting
      1. Settings Thresholds
      2. Trending
      3. Forecasting and Capacity Planning
      4. Recording a Baseline
      5. Setting Alerts
      6. Auditing Log Files
      7. Alerting Methods
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  16. Chapter 7: Business Continuity
    1. Business Continuity Objectives
      1. Integrity
      2. Availability
      3. Reliability
      4. Data Value and Risk
      5. Recovery Point Objective
      6. Recovery Time Objective
      7. Mean Time Between Failures
      8. Mean Time to Failure
    2. Backup Frequency
      1. Rotation Schemes
      2. Continuous Data Protection
      3. Contention of Media
      4. Impact on Production
    3. Backup Reliability
      1. Backup and Restore Methods
      2. Backup Implementation Methods
      3. Backup Reliability Methods
    4. Backup Locations
      1. Disk-to-Disk
      2. Disk-to-Tape
      3. VTL
      4. Disk-to-Disk-to-Tape
      5. Vaulting and E-vaulting
      6. Offsite Tape Storage
      7. Array-Based Backups
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  17. Chapter 8: Security
    1. Access Control
      1. Authentication
      2. Authorization
      3. Interoperability
    2. Encryption
      1. Encryption Keys
      2. Data at Rest
      3. Data in Motion
      4. Host Encryption
    3. Storage Visibility
      1. LUN Security
      2. Zoning
      3. iSCSI Security
      4. Storage Segmentation
    4. Chapter Summary
    5. Chapter Review Questions
    6. Chapter Review Answers
  18. Chapter 9: Design
    1. Storage Architecture Components
      1. Types of Storage Architecture
      2. High Availability
      3. Online Transaction Processing
      4. Cloud Services
    2. Redundancy
      1. Clustering
      2. Power Supply
      3. Controller
      4. Redundant Paths to Disks
      5. Hot Spare
      6. Multipath I/O
      7. Hot-Swap
      8. Path/Bus
      9. Switch
      10. HBA
      11. NIC
      12. Link Aggregation
      13. Array
      14. Cache Redundancy
    3. Replication
      1. Point-in-Time Replication
      2. Continuous Replication
      3. Scope
      4. Site Redundancy
      5. Consistency
    4. Chapter Summary
    5. Chapter Review Questions
    6. Chapter Review Answers
  19. Chapter 10: Environment
    1. Facilities
      1. Cable Management
      2. Cooling
      3. Humidity Control
      4. Fire Suppression
    2. Storage Power Requirements
      1. AC
      2. DC
      3. Grounding
      4. Sufficient Capacity
      5. Division of Circuits
      6. Uninterruptable Power Supply
    3. Safety
      1. Weight Considerations
      2. Antistatic Devices
    4. Chapter Summary
    5. Chapter Review Questions
    6. Chapter Review Answers
  20. Chapter 11: Advanced Topics
    1. Information Life-Cycle Management
      1. Value of Data Based on Frequency of Access
      2. HSM
      3. Storage Tiers
    2. Compliance
      1. Retention Policy
      2. Archiving and Purging
      3. Preservation and Litigation Holds
    3. Advanced Storage Methods
      1. Content-Addressable Storage
      2. Object-Oriented Storage
    4. Deduplication and Compression
      1. Deduplication Levels
      2. Inline and Postprocess Deduplication
      3. Source and Target Deduplication
      4. Deduplication Software and Appliances
      5. Performance and Capacity Implications
      6. Reduction Ratios for Data Types
    5. Chapter Summary
    6. Chapter Review Questions
    7. Chapter Review Answers
  21. Chapter 12: Performance and Troubleshooting
    1. Optimize Performance
      1. Necessary IOPS
      2. Random vs. Sequential I/O
      3. RAID Performance
      4. Defragmentation
      5. Cache
      6. Impact of Replication
      7. Partition Alignment
      8. Queue Depth
      9. Storage Device Bandwidth
      10. Network Device Bandwidth
      11. Adequate Share Capacity
    2. Performance Metrics and Tools
      1. Switch
      2. Array
      3. Host Tools
    3. Network Troubleshooting
      1. Connectivity Issues
      2. VLAN Issues
      3. Zoning Issues
      4. Interoperability Issues
    4. Host Troubleshooting
      1. Hardware or Software Incompatibility
      2. Outdated Firmware or Drivers
      3. Incorrect NIC Configuration
      4. Bad Connector
      5. Bad Cable
      6. Bad Port
      7. Bad NIC
      8. NIC Improperly Connected
      9. Incorrect Firewall Settings
      10. Incorrect Cluster or Multipath Settings
    5. Chapter Summary
    6. Software References
    7. Chapter Review Questions
    8. Chapter Review Answers
  22. Appendix Practice Exam
  23. Index