You are running a news website in the eu-west-1 region that upda
You are running a news website in the eu-west-1 region that updates every15 minutes. The website has a world-wide audience it uses an Auto Scaling group behind an Elastic Load Balancer and an Amazon RDS database Static content resides on Amazon53, and is distributed through Amazon CloudFront. Your Auto Scaling group is set to trigger a scale up event at60% CPU utilization, you use an Amazon RDS extra large DB instance with10.000 Provisioned lOPS its CPU utilization is around 80%. While freeable memory is in the2GB range. Web analytics reports show that the average load time of your web pages is around15 to2 seconds, but your SEO consultant wants to bring down the average load time to under 0.5 seconds. How would you improve page load times for your users (Choose3 answers)
A.LOWER THE SCALE UP TRIGGER OF YOUR AUTO SCALING GROUP TO30% SO IT SCALES MORE AGGRESSIVELY.
B.ADD AN AMAZON ELASTICACHE CACHING LAYER TO YOUR APPLICATION FOR STORING SESSIONS AND FREQUENT DB QUERIES
C.CONFIGURE AMAZON CLOUDFRONT DYNAMIC CONTENT SUPPORT TO ENABLE CACHING OF RE-USABLE CONTENT FROM YOUR SITE
D.SWITCH AMAZON RDS DATABASE TO THE HIGH MEMORY EXTRA LARGE INSTANCE TYPE E. SET UP A SECOND INSTALLATION IN ANOTHER REGION, AND USE THE AMAZON ROUTE53 LATENCY-BASED ROUTING FEATURE TO SELECT THE RIGHT REGION.
正确答案是ABD
