SOA-C01 Exam Dumps : AWS Certified SysOps Administrator - Associate

An organization has decided to consolidate storage and move all of its backups and archives to Amazon S3. With all of the data gathered into a hierarchy under a single directory, the organization determines there is 70 TB data that needs to be uploaded. The organization currently has a 150-Mbps connection with 10 people working at the location.

Which service would be the MOST efficient way to transfer this data to Amazon S3?

An application running on Amazon EC2 allows users to launch batch jobs for data analysis. The jobs are run asynchronously, and the user is notified when they are complete. While multiple jobs can run concurrently, a user’s request need not be fulfilled for up to 24 hours. To run a job, the application launches an additional EC2 instance that performs all the analytics calculations. A job takes between 75 and 110 minutes to complete and cannot be interrupted.

What is the MOST cost-effective way to run this workload?

An ecommerce site is using Amazon ElastiCache with Memcached to store session state for a web application and to cache frequently used data. For the last month, users have been complaining about performance. The metric data for the Amazon EC2 instances and the Amazon RDS instance appear normal, but the eviction count metrics are high.

What should be done to address this issue and improve performance?