You have launched an EC2 instance with four (4) 500 GB EBS Provisioned IOPS volumes attached The EC2
Instance Is EBS-Optimized and supports 500 Mbps throughput between EC2 and EBS The two EBS volumes
are configured as a single RAID o device, and each Provisioned IOPS volume is provisioned with 4.000 IOPS
(4 000 16KB reads or writes) for a total of 16.000 random IOPS on the instance The EC2 Instance initially
delivers the expected 16 000 IOPS random read and write performance Sometime later in order to increase the
total random I/O performance of the instance, you add an additional two 500 GB EBS Provisioned IOPS
volumes to the RAID Each volume Is provisioned to 4.000 IOPs like the original four for a total of 24.000 IOPS
on the EC2 instance Monitoring shows that the EC2 instance CPU utilization increased from 50% to 70%. but
the total random IOPS measured at the instance level does not increase at all.
What is the problem and a valid solution?

You require the ability to analyze a large amount of data, which is stored on Amazon S3 using Amazon Elastic
Map Reduce. You are using the cc2 8x large Instance type, whose CPUs are mostly idle during processing.
Which of the below would be the most cost efficient way to reduce the runtime of the job?

You are designing an intrusion detection prevention (IDS/IPS) solution for a customer web application in a
single VPC. You are considering the options for implementing IOS IPS protection for traffic coming from the
Internet.
Which of the following options would you consider? (Choose 2 answers)

Your department creates regular analytics reports from your company’s log files All log data is collected in
Amazon S3 and processed by daily Amazon Elastic MapReduce (EMR) jobs that generate daily PDF reports
and aggregated tables in CSV format for an Amazon Redshift data warehouse.
Your CFO requests that you optimize the cost structure for this system.
Which of the following alternatives will lower costs without compromising average performance of the system or
data integrity for the raw data?

Your customer wishes to deploy an enterprise application to AWS which will consist of several web servers,
several application servers and a small (50GB) Oracle database information is stored, both in the database and
the file systems of the various servers. The backup system must support database recovery whole server and
whole disk restores, and individual file restores with a recovery time of no more than two hours. They have
chosen to use RDS Oracle as the database
Which backup architecture will meet these requirements?