You ping an Amazon Elastic Compute Cloud (EC2) instance from an on-premises server. VPC Flow Logs record the following:2 123456789010 eni-1235b8ca 10.123.234.78 172.11.22.33 0 0 1 8 672 14329170271432917142 ACCEPT OK2 123456789010 eni-1235b8ca 172.11.22.33 10.123.234.78 0 0 1 4 336 14329170271432917082 ACCEPT OK2 123456789010 eni-1235b8ca 172.11.22.33 10.123.234.78 0 0 1 4 336 14329170941432917142 REJECT OKWhy are ICMP responses not received by the on-premises system?
You are moving a two-tier application into an Amazon VPC. An Elastic Load Balancing (ELB) load balancer is configured in front of the application tier. The application tier is driven through RESTful interfaces. The data tier uses relational database service (RDS) MySQL. Company policy requires end-to-end encryption of all data in transit.What ELB configuration complies with the corporate encryption policy?
Your application is hosted behind an Elastic Load Balancer (ELB) within an autoscaling group. The autoscaling group is configured with a minimum of 2, a maximum of 14, and a desired value of 2. The autoscaling cooldown and the termination policies are set to the default value.CloudWatch reports that the site typically requires just two servers, but spikes at the start and end of the business day can require eight to ten servers. You receive intermittent reports of timeouts and partially loaded web pages.Which configuration change should you make to address this issue?
You are designing an AWS Direct Connect solution into your VPC. You need to consider requirements for the customer router to terminate the Direct Connect link at the Direct Connect location.Which three factors that must be supported should you consider when choosing the customer router? (Choose three.)
Your company uses an NTP server to synchronize time across systems. The company runs multiple versions of Linux and Windows systems. You discover that the NTP server has failed, and you need to add an alternate NTP server to your instances.Where should you apply the NTP server update to propagate information without rebooting your running instances?
Your organization's corporate website must be available on www.acme.com and acme.com.How should you configure Amazon Route 53 to meet this requirement?
