A social networking company operates globally. Some users from Brazil and Argentina are reporting the following error: website address was not found.
Which of the following is the most likely cause of this outage?
A . Client DNS misconfigutation
B . Regional DNS provider outage
C . DNS server misconfiguration
D . DNS propagation issues
Answer: B
Explanation:
The most likely cause of the outage, with users from specific regions like Brazil and Argentina reporting an error that the website address was not found, is a regional DNS provider outage. This type of outage would affect users in particular areas, preventing domain name resolution and leading to the reported error.
Reference: Regional outages and their impact on service availability are discussed within the Cloud Concepts domain, which includes understanding the importance of DNS in cloud services, as per the CompTIA Cloud+ objectives.
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