Chapter 16High Availability and Disaster Recovery

THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • Domain 2.0 Network Implementations
  • 2.4 Explain important factors of physical installations.
  • Power
    • Uninterruptible power supply(UPS)
    • Power distribution unit (PDU)
    • Power load
    • Voltage
  • Environmental factors
    • Humidity
    • Fire suppression
  • Temperature
  • Domain 3.0 Network Operations
  • 3.3 Explain disaster recovery (DR) concepts.
  • DR metrics
    • Recovery point objective (RPO)
    • Recovery time objective (RTO)
    • Mean time to repair (MTTR)
    • Mean time between failures (MTBF)
  • DR sites
    • Cold site
    • Warm site
    • Hot site
  • High-availability approaches
    • Active-active
    • Active-passive
  • Testing
    • Tabletop exercises
    • Validation tests

High availability ...

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