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Q209. You need to create a JSON-formatted text file for AWS CIoudFormation. This is your first template and the only thing you know is that the templates include several major sections but there is only one that is required for it to work. What is the only section required?
A. Mappings
B. Outputs
C. Resources
D. Conditions
Answer: C
Explanation:
AWS CIoudFormation is a service that helps you model and set up your Amazon Web Services resources so that you can spend less time managing those resources and more time focusing on your applications that run in AWS. You create a template that describes all the AWS resources that you want (like Amazon EC2 instances or Amazon RDS DB instances), and AWS CIoudFormation takes care of provisioning and configuring those resources for you.
A template is a JSON-formatted text file that describes your AWS infrastructure. Templates include several major sections.
The Resources section is the only section that is required.
The first character in the template must be an open brace ({), and the last character must be a closed brace (}). The following template fragment shows the template structure and sections.
Reference: http://docs.aws.amazon.com/AWSCIoudFormation/latest/UserGuide/template-anatomy.html
Q210. How many Elastic IP by default in Amazon Account?
A. 1 Elastic IP
B. 3 Elastic IP
C. 5 Elastic IP
D. 0 Elastic IP
Answer: D
Q211. You have been setting up an Amazon Virtual Private Cloud (Amazon VPC) for your company, including setting up subnets. Security is a concern, and you are not sure which is the best security practice for securing subnets in your VPC. Which statement below is correct in describing the protection of AWS resources in each subnet?
A. You can use multiple layers of security, including security groups and network access control lists (ACL).
B. You can only use access control lists (ACL).
C. You don't need any security in subnets.
D. You can use multiple layers of security, including security groups, network access control lists (ACL) and CIoudHSM.
Answer: A
Explanation:
A subnet is a range of IP addresses in your VPC. You can launch AWS resources into a subnet that you select. Use a public subnet for resources that must be connected to the Internet, and a private subnet for resources that won't be connected to the Internet.
To protect the AWS resources in each subnet, you can use multiple layers of security, including security groups and network access control lists (ACL).
Reference: http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/VPC_|ntroduction.htmI
Q212. A user needs to run a batch process which runs for 10 minutes. This will only be run once, or at maximum twice, in the next month, so the processes will be temporary only. The process needs 15 X-Large instances. The process downloads the code from S3 on each instance when it is launched, and then generates a temporary log file. Once the instance is terminated, all the data will be lost. Which of the below mentioned pricing models should the user choose in this case?
A. Spot instance.
B. Reserved instance.
C. On-demand instance.
D. EBS optimized instance.
Answer: A
Explanation:
In Amazon Web Services, the spot instance is useful when the user wants to run a process temporarily. The spot instance can terminate the instance if the other user outbids the existing bid. In this case all storage is temporary and the data is not required to be persistent. Thus, the spot instance is a good option to save money.
Reference: http://aws.amazon.com/ec2/purchasing-options/spot-instances/
Q213. What does Amazon DynamoDB provide?
A. A predictable and scalable MySQL database
B. A fast and reliable PL/SQL database cluster
C. A standalone Cassandra database, managed by Amazon Web Services
D. A fast, highly scalable managed NoSQL database service
Answer: D
Explanation:
Amazon DynamoDB is a managed NoSQL database service offered by Amazon. It automatically manages tasks like scalability for you while it provides high availability and durability for your data, allowing you to concentrate in other aspects of your application.
Reference: check link - https://aws.amazon.com/running_databases/
Q214. Amazon EC2 provides a . It is an HTTP or HTTPS request that uses the HTTP verbs GET or POST.
A. web database
B. .net framework
C. Query API
D. C library
Answer: C
Explanation:
Amazon EC2 provides a Query API. These requests are HTTP or HTTPS requests that use the HTTP verbs GET or POST and a Query parameter named Action.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/APIReference/making-api-requests.html
Q215. What does the AWS Storage Gateway provide?
A. It allows to integrate on-premises IT environments with Cloud Storage.
B. A direct encrypted connection to Amazon 53.
C. It's a backup solution that provides an on-premises Cloud storage.
D. It provides an encrypted SSL endpoint for backups in the Cloud.
Answer: A
Q216. When controlling access to Amazon EC2 resources, each Amazon EBS Snapshot has a attribute that controls which AWS accounts can use the snapshot.
A. createVoIumePermission
B. LaunchPermission
C. SharePermission
D. RequestPermission
Answer: A
Explanation:
Each Amazon EBS Snapshot has a createVoIumePermission attribute that you can set to one or more AWS Account IDs to share the AM with those AWS Accounts. To allow several AWS Accounts to use a particular EBS snapshot, you can use the snapshots's createVoIumePermission attribute to include a list of the accounts that can use it.
Reference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/UsingIAM.html