单选题 A company plans to set up a cloud infrastructure in AWS. In the planning, it was discussed that you need to deploy two EC2 instances that should continuously run for three years. The CPU utilization of the EC2 instances is also expected to be stable and predictable.
Which is the most cost-efficient Amazon EC2 Pricing type that is most appropriate for this scenario?

单选题 A company is hosting EC2 instances that are on non-production environment and processing non-priority
batch loads, which can be interrupted at any time.
What is the best instance purchasing option which can be applied to your EC2 instances in this case?

单选题 A travel company has a suite of web applications hosted in an Auto Scaling group of On-Demand EC2 instances behind an Application Load Balancer that handles traffic from various web domains such as i- lovemanila.com, i-love-boracay.com, i-love-cebu.com and many others. To improve security and lessen the overall cost, you are instructed to secure the system by allowing multiple domains to serve SSL traffic without the need to reauthenticate and reprovision your certificate everytime you add a new domain. This migration from HTTP to HTTPS will help improve their SEO and Google search ranking. Which of the following is the most costeffective solution to meet the above requirement?

单选题 The media company that you are working for has a video transcoding application running on Amazon EC2. Each EC2 instance polls a queue to find out which video should be transcoded, and then runs a transcoding process. If this process is interrupted, the video will be transcoded by another instance based on the queuing system. This application has a large backlog of videos which need to be transcoded. Your manager would like to reduce this backlog by adding more EC2 instances, however, these instances are only needed until the backlog is reduced.
In this scenario, which type of Amazon EC2 instance is the most cost-effective type to use?

单选题 A Solutions Architect needs to deploy a mobile application that can collect votes for a popular singing competition. Millions of users from around the world will submit votes using their mobile phones. These votes must be collected and stored in a highly scalable and highly available data store which will be queried for realtime ranking.

Which of the following combination of services should the architect use to meet this requirement?

单选题 A media company recently launched their newly created web application. Many users tried to visit the website, but they are receiving a 503 Service Unavailable Error. The system administrator tracked the EC2 instance status and saw the capacity is reaching its maximum limit and unable to process all the requests. To gain insights from the application's data, they need to launch a real-time analytics service. 

Which of the following allows you to read records in batches?

单选题 A manufacturing company has EC2 instances running in AWS. The EC2 instances are configured with Auto Scaling. There are a lot of requests being lost because of too much load on the servers. The Auto Scaling is launching new EC2 instances to take the load accordingly yet, there are still some requests that are being lost.
Which of the following is the MOST suitable solution that you should implement to avoid losing recently submitted requests?

单选题 A company has an On-Demand EC2 instance located in a subnet in AWS that hosts a web application.
The security group attached to this EC2 instance has the following Inbound Rules:

The Route table attached to the VPC is shown below. You can establish an SSH connection into the EC2 instance
from the Internet. However, you are not able to connect to the web server using your Chrome browser.

Which of the below steps would resolve the issue?