A benefits enrollment company is hosting a 3-tier web application running in a VPC on AWS which includes a
NAT (Network Address Translation) instance in the public Web tier. There is enough provisioned capacity for
the expected workload tor the new fiscal year benefit enrollment period plus some extra overhead Enrollment
proceeds nicely for two days and then the web tier becomes unresponsive, upon investigation using
CloudWatch and other monitoring tools it is discovered that there is an extremely large and unanticipated
amount of inbound traffic coming from a set of 15 specific IP addresses over port 80 from a country where the
benefits company has no customers. The web tier instances are so overloaded that benefit enrollment
administrators cannot even SSH into them. Which activity would be useful in defending against this attack?

Your company produces customer commissioned one-of-a-kind skiing helmets combining nigh fashion with
custom technical enhancements Customers can show off their Individuality on the ski slopes and have access
to head-up-displays. GPS rear-view cams and any other technical innovation they wish to embed in the helmet.
The current manufacturing process is data rich and complex including assessments to ensure that the custom
electronics and materials used to assemble the helmets are to the highest standards Assessments are a
mixture of human and automated assessments you need to add a new set of assessment to model the failure
modes of the custom electronics using GPUs with CUDA. across a cluster of servers with low latency
networking.
What architecture would allow you to automate the existing process using a hybrid approach and ensure that
the architecture can support the evolution of processes over time?

You are responsible for a legacy web application whose server environment is approaching end of life You
would like to migrate this application to AWS as quickly as possible, since the application environment currently
has the following limitations:
The VM’s single 10GB VMDK is almost full
Me virtual network interface still uses the 10Mbps driver, which leaves your 100Mbps WAN connection
completely underutilized
It is currently running on a highly customized. Windows VM within a VMware environment:
You do not have me installation media
This is a mission critical application with an RTO (Recovery Time Objective) of 8 hours. RPO (Recovery Point
Objective) of 1 hour. How could you best migrate this application to AWS while meeting your business
continuity requirements?

You are designing Internet connectivity for your VPC. The Web servers must be available on the Internet. The
application must have a highly available architecture.
Which alternatives should you consider? (Choose 2 answers)

You have deployed a web application targeting a global audience across multiple AWS Regions under the
domain name.example.com. You decide to use Route53 Latency-Based Routing to serve web requests to
users from the region closest to the user. To provide business continuity in the event of server downtime you
configure weighted record sets associated with two web servers in separate Availability Zones per region.
Dunning a DR test you notice that when you disable all web servers in one of the regions Route53 does not
automatically direct all users to the other region. What could be happening? (Choose 2 answers)