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AWS-Solution-Architect-Associate Exam Questions - Online Test


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Q1. Your supervisor has asked you to build a simple file synchronization service for your department. He doesn't want to spend too much money and he wants to be notified of any changes to files by email. What do you think would be the best Amazon service to use for the email solution?

A. Amazon SES

B. Amazon CIoudSearch

C. Amazon SWF

D. Amazon AppStream 

Answer: A

Explanation:

File change notifications can be sent via email to users following the resource with Amazon Simple Email Service (Amazon SES), an easy-to-use, cost-effective email solution.

Reference: http://media.amazonwebservices.com/architecturecenter/AWS_ac_ra_fiIesync_08.pdf

Q2. You are designing a data leak prevention solution for your VPC environment. You want your VPC Instances to be able to access software depots and distributions on the Internet for product updates.  The depots and distributions are accessible via third party CONs by their URLs. You want to explicitly deny any other outbound connections from your VPC instances to hosts on the internet.

Which of the following options would you consider?

A. Configure a web proxy server in your VPC and enforce URL-based ru les for outbound access Remove

default routes.

B. Implement security groups and configure outbound rules to only permit traffic to software depots.

C. Move all your instances into private VPC subnets remove default routes from all routing tables and add specific routes to the software depots and distributions only.

D. Implement network access control lists to all specific destinations, with an Implicit deny as a rule. 

Answer: A

Q3. Any person or application that interacts with AWS requires security credentials. AWS uses these credentials to identify who is making the call and whether to allow the requested access. You have just set up a VPC network for a client and you are now thinking about the best way to secure this network. You set up a security group called vpcsecuritygroup. Which following statement is true in respect to the initial settings that will be applied to this security group if you choose to use the default settings for this group?

A. Allow all inbound traffic and allow no outbound traffic.

B. Allow no inbound traffic and allow all outbound traffic.

C. Allow inbound traffic on port 80 only and allow all outbound traffic.

D. Allow all inbound traffic and allow all outbound traffic. 

Answer: B

Explanation:

Amazon VPC provides advanced security features such as security groups and network access control lists to enable inbound and outbound filtering at the instance level and subnet level.

AWS assigns each security group a unique ID in the form sg-xxxxxxxx. The following are the initial settings for a security group that you create:

Allow no inbound traffic Allow all outbound traffic

Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html

Q4. A user is sending bulk emails using AWS SES. The emails are not reaching some of the targeted audience because they are not authorized by the ISPs. How can the user ensure that the emails are all delivered?

A. Send an email using DKINI with SES.

B. Send an email using SMTP with SES.

C. Open a ticket with AWS support to get it authorized with the ISP.

D. Authorize the ISP by sending emails from the development account. 

Answer: A

Explanation:

Domain Keys Identified MaiI (DKIM) is a standard that allows senders to sign their email messages and ISPs, and use those signatures to verify that those messages are legitimate and have not been modified by a third party in transit.

Reference: http://docs.aws.amazon.com/ses/latest/DeveloperGuide/dkim.html

Q5. A company is building a voting system for a popular TV show, viewers win watch the performances then visit the show's website to vote for their favorite performer. It is expected that in a short period of time after the show has finished the site will receive millions of visitors. The visitors will first login to the site using their Amazon.com credentials and then submit their vote. After the voting is completed the page will display the vote totals. The company needs to build the site such that can handle the rapid influx of traffic while maintaining good performance but also wants to keep costs to a minimum. Which of the design patterns below should they use?

A. Use Cloud Front and an Elastic Load balancer in front of an auto-scaled set of web servers, the web servers will first can the Login With Amazon service to authenticate the user then process the users vote and store the result into a multi-AZ Relational Database Service instance.

B. Use CIoudFront and the static website hosting feature of 53 with the Javascript SDK to call the Login With Amazon service to authenticate the user, use IAM Roles to gain permissions to a DynamoDB table to store the users vote.

C. Use Cloud Front and an Elastic Load Balancer in front of an auto-scaled set of web servers, the web servers will first call the Login with Amazon service to authenticate the user, the web servers will process the users vote and store the result into a DynamoDB table using IAM Roles for EC2 instances to gain permissions to the DynamoDB table.

D. Use Cloud Front and an Elastic Load Balancer in front of an auto-scaled set of web servers, the web servers will first call the Login. With Amazon service to authenticate the user, the web sewers win process the users vote and store the result into an SQS queue using IAM Roles for EC2 Instances to gain permissions to the SQS queue. A set of application sewers will then retrieve the items from the queue and store the result into a DynamoDB table.

Answer: D

Q6. You've been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud (VPC) The previous architect has already deployed a 3-tier VPC, The configuration is as follows:

VPC: vpc-2f8bc447 IGW: igw-2d8bc445 NACL: ad-208bc448

5ubnets and Route Tables: Web sewers: subnet-258bc44d

Application servers: subnet-248bc44c Database sewers: subnet-9189c6f9 Route Tables:

rrb-218bc449 rtb-238bc44b Associations:

subnet-258bc44d : rtb-218bc449 subnet-248bc44c : rtb-238bc44b subnet-9189c6f9 : rtb-238bc44b

You are now ready to begin deploying EC2 instances into the VPC Web servers must have direct access to the internet Application and database sewers cannot have direct access to the internet.

Which configuration below will allow you the ability to remotely administer your application and database servers, as well as allow these sewers to retrieve updates from the Internet?

A. Create a bastion and NAT instance in subnet-258bc44d, and add a route from rtb- 238bc44b to the NAT instance.

B. Add a route from rtb-238bc44b to igw-2d8bc445 and add a bastion and NAT instance within subnet-248bc44c.

C. Create a bastion and NAT instance in subnet-248bc44c, and add a route from rtb- 238bc44b to subneb258bc44d.

D. Create a bastion and NAT instance in subnet-258bc44d, add a route from rtb-238bc44b to Igw- 2d8bc445, and a new NACL that allows access between subnet-258bc44d and subnet -248bc44c.

Answer: A

Q7. If I want to run a database in an Amazon instance, which is the most recommended Amazon storage opHon?

A. Amazon Instance Storage

B. Amazon EBS

C. You can't run a database inside an Amazon instance.

D. Amazon 53 

Answer: B

Q8. Your startup wants to implement an order fulfillment process for selling a personalized gadget that needs an average of 3-4 days to produce with some orders taking up to 6 months you expect 10 orders per day on your first day. 1000 orders per day after 6 months and 10,000 orders after 12 months.

Orders coming in are checked for consistency men dispatched to your manufacturing plant for production quality control packaging shipment and payment processing If the product does not meet the quality standards at any stage of the process employees may force the process to repeat a step Customers are notified via email about order status and any critical issues with their orders such as payment failure.

Your case architecture includes AWS Elastic Beanstalk for your website with an RDS MySQL instance for customer data and orders.

How can you implement the order fulfillment process while making sure that the emails are delivered reliably?

A. Add a business process management application to your Elastic Beanstalk app servers and re-use the ROS database for tracking order status use one of the Elastic Beanstalk instances to send emails to customers.

B. Use SWF with an Auto Scaling group of actMty workers and a decider instance in another Auto Scaling group with min/max=I Use the decider instance to send emails to customers.

C. Use SWF with an Auto Scaling group of actMty workers and a decider instance in another Auto Scaling group with min/max=I use SES to send emails to customers.

D. Use an SOS queue to manage all process tasks Use an Auto Scaling group of EC2 Instances that poll the tasks and execute them. Use SES to send emails to customers.

Answer: C

Q9. You have just finshed setting up an advertisement server in which one of the obvious choices for a service was Amazon Elastic Map Reduce( EMR) and are now troubleshooting some weird cluster states that you are seeing. Which of the below is not an Amazon EMR cluster state?

A. STARTING

B. STOPPED

C. RUNNING

D. WAITING

Answer:

Explanation:

Amazon Elastic Map Reduce (EMR) is a web service that enables businesses, researchers, data analysts, and developers to easily and cost-effectively process vast amounts of data.

Amazon EMR historically referred to an Amazon EMR cluster (and all processing steps assigned to it) as a "c|uster". Every cluster has a unique identifier that starts with "j-".

The different cluster states of an Amazon EMR cluster are listed below. STARTING — The cluster provisions, starts, and configures EC2 instances. BOOTSTRAPPING — Bootstrap actions are being executed on the cluster. RUNNING — A step for the cluster is currently being run.

WAITING — The cluster is currently active, but has no steps to run. TERMINATING - The cluster is in the process of shutting down. TERMINATED - The cluster was shut down without error. TERMINATED_W|TH_ERRORS - The cluster was shut down with errors. 

Reference: https://aws.amazon.com/elasticmapreduce/faqs/

Q10. Fill in the blanks: The base URI for all requests for instance metadata is _ _ 

A. http://254.169.169.254/Iatest/

B. http://169.169.254.254/|atesU 

C. http://127.0.0.1/|atest/

D. http://I69.254.169.254/|atest/

Answer: D