You receive nested JSON uptime data per region: {"regions": {"us-east": {"uptime": 99.8}, "eu-west": {"uptime": 99.6}}}. How do you compute overall uptime across regions?

hard📝 Application Q9 of 15

Rest API - API Testing and Monitoring

ACalculate weighted average uptime based on traffic per region

BTake the maximum uptime value among regions

CAdd all uptime values together

DUse the uptime of the region with the most servers

Step-by-Step Solution

Solution:

Step 1: Understand multi-region uptime aggregation
Overall uptime depends on traffic or usage weight per region, not just uptime values.
Step 2: Evaluate options
Maximum or sum of uptimes ignores traffic distribution; using server count alone is insufficient.
Final Answer:
Calculate weighted average uptime based on traffic per region -> Option A
Quick Check:
Overall uptime = weighted average by traffic [OK]

Quick Trick: Weight uptimes by traffic, not just count or max [OK]

Common Mistakes:

MISTAKES

Using max uptime as overall
Adding uptimes directly
Ignoring traffic weights

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You receive nested JSON uptime data per region: {"regions": {"us-east": {"uptime": 99.8}, "eu-west": {"uptime": 99.6}}}. How do you compute overall uptime across regions?

Step 1: Understand multi-region uptime aggregation

Step 2: Evaluate options

Final Answer:

Quick Check:

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