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AWS Developer Certification : Associate Level AWS Sysops Administrator Certification : Assciate Level AWS Solution Architect Certification : Associate Level

Following scenario will be covered as part of our training's (use comment section for training inquiry)

AWS Practical UseCase  :To serve Web traffic for a popular product your chief financial officer and IT director have purchased 10 ml large heavy utilization Reserved Instances (RIs) evenly spread across two availability zones: Route 53 is used to deliver the traffic to an Elastic Load Balancer (ELB). After several months, the product grows even more popular and you need additional capacity As a result, your company purchases two C3.2xlarge medium utilization Ris You register the two c3 2xlarge instances with your ELB and quickly find that the ml large instances are at 100% of capacity and the c3 2xlarge instances have significant capacity

that's unused Which option is the most cost effective and uses EC2 capacity most effectively?

 

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Comments  

0 # Ashok Kumar 2015-11-17 04:04
Answer : D

Because auto-scalign group will launch more instance if requried.
0 # Ashok Kumar 2015-11-17 07:07
Answer : D
+1 # kk 2016-02-20 04:01
mI instances are reserved instances, which means you are paying for a period upfront. if the answer is D, then shutting down the 10 mI instances is like wasting money. then how can it be cost effective.
0 # Nalini P 2016-03-15 06:15
D
+1 # lv 2016-03-18 19:04
I would say A.

D is not cost effective.
+3 # Laurentiu V 2016-03-24 17:48
A

None of the other answers is cost effective.
0 # Salim 2016-06-24 23:43
Ans D)
M1 Large instance are 100% CPU utilization that means they are not responding.
M1 Large has 2vCPU and 7.5 GB of RAM
Where as C3 2xLarge has 8vCPU and 15GB RAM besides it is backed instance SSD
M1 also runs on older hardware. It is a wast of money no doubt. Moving to M1 large to M1 Xlarge that has 4vCPU and 15GB RAM makes more scene. In case of reserved instance type can be change but not family