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Question 500

A company runs a web application on a single Amazon EC2 instance. End users experience slow application performance during times of peak usage, when CPU utilization is consistently more than 95%.

A user data script installs required custom packages on the EC2 instance. The process of launching the instance takes several minutes.

The company is creating an Auto Scaling group that has mixed instance groups, varied CPUs, and a maximum capacity limit. The Auto Scaling group will use a launch template for various configuration options. The company needs to decrease application latency when new instances are launched during auto scaling.

Which solution will meet these requirements?

Use a predictive scaling policy. Use an instance maintenance policy to run the user data script. Set the default instance warmup time to 0 seconds.

Use a dynamic scaling policy. Use lifecycle hooks to run the user data script. Set the default instance warmup time to 0 seconds.

Use a predictive scaling policy. Enable warm pools for the Auto Scaling group. Use an instance maintenance policy to run the user data script.

Use a dynamic scaling policy. Enable warm pools for the Auto Scaling group. Use lifecycle hooks to run the user data script.

Correct Answer: D

To meet the requirements of decreasing application latency when new instances are launched during auto scaling, using a dynamic scaling policy is essential for real-time adjustment based on demand. Enabling warm pools allows instances to be pre-initialized and kept in a warmed state, reducing the time it takes to serve traffic once they are needed. Lifecycle hooks allow custom scripts to run during the instance launch, ensuring all necessary packages are installed without delaying the instance's readiness to handle traffic. This combination effectively minimizes application latency during scale-out events.

Discussion

vip2Option: D

D is correcyt

AlagongOption: D

Answer : D

AhmedSalemOption: D

Answer D

kupo777

B AWS Database Migration Service can convert Oracle and SQL Server to Amazon RDS for MySQL and Amazon RDS for PostgreSQL stored procedures. D AWS Database Migration Service (AWS DMS) performs data migration. The answer is DB.

wbedair

looks like this is an answer for different question