AWS-Solution-Architect-Associate Exam
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Q151. A customer has established an AWS Direct Connect connection to AWS. The link is up and routes are being advertised from the customer's end, however the customer is unable to connect from EC2 instances inside its VPC to servers residing in its datacenter.
Which of the following options provide a viable solution to remedy this situation? (Choose 2 answers)
A. Add a route to the route table with an IPsec VPN connection as the target.
B. Enable route propagation to the virtual pinnate gateway (VGW).
C. Enable route propagation to the customer gateway (CGW).
D. Modify the route table of all Instances using the 'route' command.
E. Modify the Instances VPC subnet route table by adding a route back to the customer's on-premises environment.
Answer: A, C
Q152. In EC2, what happens to the data in an instance store if an instance reboots (either intentionally or unintentionally)?
A. Data is deleted from the instance store for security reasons.
B. Data persists in the instance store.
C. Data is partially present in the instance store.
D. Data in the instance store will be lost.
Answer: B
Explanation:
The data in an instance store persists only during the lifetime of its associated instance. If an instance reboots (intentionally or unintentionally), data in the instance store persists. However, data on instance store volumes is lost under the following circumstances.
Failure of an underlying drive
Stopping an Amazon EBS-backed instance Terminating an instance
Reference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/InstanceStorage.html
Q153. Which one of the below doesn't affect Amazon CIoudFront billing?
A. Distribution Type
B. Data Transfer Out
C. Dedicated IP SSL Certificates
D. Requests
Answer: A
Explanation:
Amazon CIoudFront is a web service for content delivery. C|oudFront delivers your content using a global network of edge locations and works seamlessly with Amazon S3 which durably stores the original and definitive versions of your files.
Amazon CIoudFront billing is maily affected by Data Transfer Out
Edge Location Traffic Distribution Requests
Dedicated IP SSL Certificates
Reference: http://calcu|ator.s3.amazonaws.com/index.htmI
Q154. Does AWS CIoudFormation support Amazon EC2 tagging?
A. Yes, AWS CIoudFormation supports Amazon EC2 tagging
B. No, CIoudFormation doesn’t support any tagging
C. No, it doesn’t support Amazon EC2 tagging.
D. It depends if the Amazon EC2 tagging has been defined in the template.
Answer: A
Explanation:
In AWS CIoudFormation, Amazon EC2 resources that support the tagging feature can also be tagged in an AWS template. The tag values can refer to template parameters, other resource names, resource attribute values (e.g. addresses), or values computed by simple functions (e.g., a concatenated list of strings).
Reference: http://aws.amazon.com/c|oudformation/faqs/
Q155. The _ service is targeted at organizations with multiple users or systems that use AWS products such as Amazon EC2, Amazon SimpIeDB, and the AWS Management Console.
A. Amazon RDS
B. AWS Integrity Management
C. AWS Identity and Access Management
D. Amazon EMR
Answer: C
Q156. 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
Q157. A customer has a 10 GB AWS Direct Connect connection to an AWS region where they have a web application hosted on Amazon Elastic Computer Cloud (EC2). The application has dependencies on an on-premises mainframe database that uses a BASE (Basic Available. Sort stale Eventual consistency) rather than an ACID (Atomicity. Consistency isolation. Durability) consistency model.
The application is exhibiting undesirable behavior because the database is not able to handle the volume of writes. How can you reduce the load on your on-premises database resources in the most
cost-effective way?
A. Use an Amazon Elastic Map Reduce (EMR) S3DistCp as a synchronization mechanism between the on-premises database and a Hadoop cluster on AWS.
B. Modify the application to write to an Amazon SQS queue and develop a worker process to flush the queue to the on-premises database.
C. Modify the application to use DynamoDB to feed an EMR cluster which uses a map function to write to the on-premises database.
D. Provision an RDS read-replica database on AWS to handle the writes and synchronize the two databases using Data Pipeline.
Answer: A
Explanation:
Reference: https://aws.amazon.com/blogs/aws/category/amazon-elastic-map-reduce/
Q158. While using the EC2 GET requests as URLs, the is the URL that serves as the entry point for the web service.
A. token
B. endpoint
C. action
D. None of these
Answer: B
Explanation:
The endpoint is the URL that serves as the entry point for the web service.
Reference: http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-query-api.htmI
Q159. Can I use Provisioned IOPS with VPC?
A. Only Oracle based RDS
B. No
C. Only with MSSQL based RDS
D. Yes for all RDS instances
Answer: D
Q160. Amazon EC2 has no Amazon Resource Names (ARNs) because you can't specify a particular Amazon EC2 resource in an IAM policy.
A. TRUE
B. FALSE
Answer: A