Power Resiliency - CompTIA Security+ SY0-701 - 3.4

Power resiliency

• Power is the foundation of our technology

- It's important to properly engineer and plan for outages

• We usually don't make our own power

- Power is likely provided by third-parties

- We can't control power availability

• There are ways to mitigate power issues

- Short power outages

- Long-term power issues

UPS

Uninterruptible Power Supply

- Short term backup power

- Blackouts, brownouts, surges

UPS types

- Offline/Standby UPS

- Line interactive UPS

- Online/Double conversion UPS

Generators

Long-term power backup

- Fuel storage required

• Power an entire building

- Some power outlets may be marked as

generator-powered

• It may take a few minutes to get the

generator up to speed

- Use a battery UPS while the generator is starting

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