What might be happening?

You are implementing a URL whitelisting system for a company that wants to restrict outbound HTTP’S
connections to specific domains from their EC2-hosted applications you deploy a single EC2 instance running
proxy software and configure It to accept traffic from all subnets and EC2 instances in the VPC. You configure
the proxy to only pass through traffic to domains that you define in its whitelist configuration You have a nightly
maintenance window or 10 minutes where ail instances fetch new software updates. Each update Is about
200MB In size and there are 500 instances In the VPC that routinely fetch updates After a few days you notice
that some machines are failing to successfully download some, but not all of their updates within the
maintenance window. The download URLs used for these updates are correctly listed in the proxy’s whitelist
configuration and you are able to access them manually using a web browser on the instances. What might be
happening? (Choose 2 answers)

A.
You are running the proxy on an undersized EC2 instance type so network throughput is not sufficient for all
instances to download their updates in time.

B.
You are running the proxy on a sufficiently-sized EC2 instance in a private subnet andits network throughput
is being throttled by a NAT running on an undersized EC2 instance.

C.
The route table for the subnets containing the affected EC2 instances is not configured to direct network
traffic for the software update locations to the proxy.

D.
You have not allocated enough storage to the EC2 instance running the proxy so the network buffer is filling
up, causing some requests to fail.

E.
You are running the proxy in a public subnet but have not allocated enough EIPs to support the needed
network throughput through the Internet Gateway (IGW).