A user has deployed an application on an EBS backed EC2 instance. For a better performance of application, it
requires dedicated EC2 to EBS traffic. How can the user achieve this?
A.
Launch the EC2 instance as EBS dedicated with PIOPS EBS
B.
Launch the EC2 instance as EBS enhanced with PIOPS EBS
C.
Launch the EC2 instance as EBS dedicated with PIOPS EBS
D.
Launch the EC2 instance as EBS optimized with PIOPS EBS
Explanation:
Any application which has performance sensitive workloads and requires minimal variability with dedicated
EC2 to EBS traffic should use provisioned IOPS EBS volumes, which are attached to an EBS-optimized EC2
instance or it should use an instance with 10 Gigabit network connectivity. Launching an instance that is
EBSoptimized provides the user with a dedicated connection between the EC2 instance and the EBS volume.
B looks more fruitful, however D can be there
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Prasoon is trying to confuse people. No question – answer is D
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Key word is “dedicated.” the only option is
A.
Launch the EC2 instance as EBS dedicated with PIOPS EBS
(BTW A and C are identical, the question needs to be fixed.)
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D
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSOptimized.html#enable-ebs-optimization
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Please correct question. Options should be
1. Launch the EC2 instance as EBS dedicated with PIOPS EBS
2. Launch the EC2 instance as EBS enhanced with PIOPS EBS
3. Launch the EC2 instance as EBS provisioned with PIOPS EBS
4. Launch the EC2 instance as EBS optimized with PIOPS EBS
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d
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Launch the EC2 instance as EBS optimized with PIOPS EBS
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The answer is the D
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http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSOptimized.html
An Amazon EBS–optimized instance uses an optimized configuration stack and provides additional, dedicated capacity for Amazon EBS I/O. This optimization provides the best performance for your EBS volumes by minimizing contention between Amazon EBS I/O and other traffic from your instance.
Answer is “D”
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