Which of the following does not configure Amazon CloudFront cache behaviors to forward cookies to an origin for web distributions?
D
Amazon S3 and some HTTP servers do not process cookies. Do not configure Amazon CloudFront cache behaviors to forward cookies to an origin that doesn't process cookies or you'll adversely affect cache ability and consequently performance.
Reference:
http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Cookies.html
You received reports from clients in another time zone that they experienced an outage of your website several hours before you arrived at work. What two AWS services could prove crucial in figuring out what happened? (Choose two.)
CD
CloudTrail is for finding out who made a change. This could be a reason for the outage, but you need to see the metrics first. CloudWatch and Flow Logs are the best for this.
You wish to access all European regions using your Direct Connect connection. How should you accomplish this?
B
The DX Gateway will allow access to multiple regions.
You are using the CLI to assign multiple IP addresses to interfaces. The operation fails. What is the most likely reason?
C
One more of the IP addresses could not be assigned. It only takes one failed assignment for the entire operation to fail.
You are a network admin of a US company called Webby Widgets that is expanding to Europe. The company has a website that serves dynamic and static content.
You have been instructed to ensure the European clients receive the least latency possible, no matter where in Europe they live, while still allowing the US clients to receive the same user experience and performance they have been accustomed to. You have also been instructed to ensure both countries use the same URL to access the site and keep costs low.
What two things should you do? (Choose two.)
CD
The Traffic Flow policy creator costs $50/mo. per policy and Elastic Load Balancers cannot distribute traffic between VPCs.
You are configuring a CloudFront distribution, and when you try to attach an SSL, you do not see your SSL listed. What is the most likely reason for this?
C
Your company has decided to use AWS WorkSpaces for its hosted desktop solution. Your company has an existing AD of about 57,000 users, and you want to minimize authentication traffic from AWS to your datacenter. Your company has a lot of personnel changes, and it is crucial that these changes are reflected reliably.
What two steps should you take? (Choose two.)
AC
A VPN is not reliable enough, and an AD connector will cause too much authentication traffic.
You are configuring multiple Direct Connect links for your organization and need them to be in an HA Active/Passive configuration with extreme sensitivity to outages in order to encourage very quick failover times. You also need to be able to control which link is active.
What two configuration changes should you implement? (Choose two.)
BC
Bidirectional-Forwarding Detection will allow for faster failover times. AS_PATH Prepending will allow you to choose the default path. BGP is already implemented and MPLS does not matter.
What number does the binary number 10101000 correspond to?
A
128 + 0 + 32 + 0 + 8 + 0 + 0 + 0 = 168
What number does the binary number 11000000 correspond to?
B
128 + 64 + 0 + 0 + 0 + 0 + 0 + 0 = 192
