Availability Zones refer to data centers in the same region with independent power grids and networks. Which of the following statements are true for Zones? (Choose three.)
Whew, this one's a tricky one. Gotta make sure I don't get too 'zoned out' on the details. Time to put on my thinking cap and really zone in on the right answers!
A) If the disaster recovery requirements of your applications are demanding, it is recommended that you deploy ECS instances in the same Region and Zone.
Haha, I'm just picturing the poor IT admin trying to explain to their boss why the servers are down. 'But I thought Availability Zones were supposed to be, you know, available!'
Ah, I see. So B is false, as the network latency is actually higher between inter-Zone instances. And E is also false, as you'd want low latency, so you'd create instances in the same Zone. This exam is really testing our understanding of Availability Zones!
C) Intranet communication is available between different Zones in the same region, and data center-level fault isolation can be achieved between Zones.
A) If the disaster recovery requirements of your applications are demanding, it is recommended that you deploy ECS instances in the same Region and Zone.
Hmm, I think A, C, and D are the correct answers. Deploying instances in the same region and zone is crucial for demanding disaster recovery requirements, and Zones offer intranet communication and data center-level fault isolation. The network latency seems to be a separate consideration.
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