You have been asked to propose a multi-region deployment of a web-facing application where a controlled portion of your traffic
is being processed by an alternate region. Which configuration would achieve that goal?
A.
Route53 record sets with weighted routing policy
B.
Route53 record sets with latency based routing policy
C.
Auto Scaling with scheduled scaling actions set
D.
Elastic Load Balancing with health checks enabled
Explanation:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/TerminologyandKeyConcepts.html
A
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A
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Ans is ‘A’. As ELB is zone specific and Route53 is region specific to provide HA.
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