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NEW QUESTION 1
A user is planning to host data with RDS. Which of the below mentioned databases is not supported by RDS?

  • A. PostgreSQL
  • B. SQLDB
  • C. Oracle
  • D. MS SQL

Answer: B

Explanation:
Amazon Relational Database Service (Amazon RDS) is a web service that makes it easier to set up, operate, and scale a relational database in the cloud. AWS RDS supports popular DBs, such as lV|ySQL, PostgreSQL, MS SQL and Oracle. This means that the code, applications, and tools user is already using with existing databases can be used with Amazon RDS too. In short, it is a managed Relation Database offering from AWS which manages backups, software patching, automatic failure detection, and recovery of Database.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

NEW QUESTION 2
AutoScaIing is configured with 3 AZs. Each zone has 5 instances running. If AutoScaIing wants to terminate an instance based on the policy action, which instance will it terminate first?

  • A. Terminate the first launched instance
  • B. Randomly select the instance for termination
  • C. Terminate the instance from the AZ which does not have a high AWS load
  • D. Terminate the instance from the AZ which has instances running near to the billing hour

Answer: B

Explanation:
Before Auto Scaling selects an instance to terminate, it first identifies the Availability Zone that has more instances than the other Availability Zones used by the group. If all the Availability Zones have the same number of instances, it identifies a random Availability Zone.
Reference: http://docs.aws.amazon.com/AutoScaIing/latest/DeveIoperGuide/us-termination-policy.html

NEW QUESTION 3
ExamKiIIer (with AWS account ID H1122223333) has created 50 IAM users for its orgAMzation’s employees. ExamKiI|er wants to make the AWS console login URL for all IAM users like: https://examki||er.signin.aws.amazon.com/consoIe/. How can this be configured?

  • A. The user needs to use Route 53 to map the examkiller domain and IAM URL
  • B. Create an IAM AWS account alias with the name examkiller
  • C. It is not possible to have a personalized IAM login URL
  • D. Create an IAM hosted zone Identity for the domain examkiller

Answer: B

Explanation:
If a user wants the URL of the AWS IAM sign-in page to have a company name instead of the AWS account ID, he can create an alias for his AWS account ID.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccountAIias.html

NEW QUESTION 4
Company C has recently launched an online commerce site for bicycles on AWS. They have a "Product" DynamoDB table that stores details for each bicycle, such as, manufacturer, color, price, quantity and size to display in the online store. Due to customer demand, they want to include an image for each bicycle along with the existing details.
Which approach below provides the least impact to provisioned throughput on the "Product" table?

  • A. Serialize the image and store it in multiple DynamoDB tables
  • B. Create an "Images" DynamoDB table to store the Image with a foreign key constraint to the "Product" table
  • C. Add an image data type to the "Product" table to store the images in binary format
  • D. Store the images in Amazon S3 and add an S3 URL pointer to the "Product" table item for each image

Answer: D

NEW QUESTION 5
How does Amazon SQS allow multiple readers to access the same message queue without losing messages or processing them many times?

  • A. By identifying a user by his unique id
  • B. By using unique cryptography
  • C. Amazon SQS queue has a configurable visibility timeout.
  • D. MuItipIe readers can't access the same message queue

Answer: C

Explanation:
Every Amazon SQS queue has a configurable visibility timeout. For the designated amount of time after a message is read from a queue, it will not be visible to any other reader. As long as the amount of time that it takes to process the message is less than the visibility timeout, every message will be processed and deleted. In the event that the component processing the message fails or becomes unavailable, the message will again become visible to any component reading the queue once the visibility timeout ends. This allows you to have many components all reading messages from the same queue, with each working to process different messages.
Reference: https://aws.amazon.com/sqs/faqs/

NEW QUESTION 6
A user is planning to host MS SQL on an EBS volume. It was recommended to use the AWS RDS. What advantages will the user have if he uses RDS in comparison to an EBS based DB?

  • A. Better throughput with PIOPS
  • B. Automated backup
  • C. NIS SQL is not supported with RDS
  • D. High availability with multi AZs

Answer: B

Explanation:
Comparing with on-premises or EC2 based NIS SQL, RDS provides an automated backup feature. PIOPS is available with both RDS and EBS. However, HA is not available with NIS SQL.
Reference: https://aws.amazon.com/rds/faqs/

NEW QUESTION 7
A user has attached one RDS security group with 5 RDS instances. The user has changed the ingress rule for the security group. What will be the initial status of the ingress rule?

  • A. Approving
  • B. Implementing
  • C. Authorizing
  • D. It is not possible to assign a single group to multiple DB instances

Answer: C

Explanation:
When the user makes any changes to the RDS security group the rule status will be authorizing for some time until the changes are applied to all instances that the group is connected with. Once the changes are propagated the rule status will change to authorized.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithSecurityGroups.html

NEW QUESTION 8
When AutoScaIing is launching a new instance based on condition, which of the below mentioned policies will it follow?

  • A. Based on the criteria defined with cross zone Load balancing
  • B. Launch an instance which has the highest load distribution
  • C. Launch an instance in the AZ with the fewest instances
  • D. Launch an instance in the AZ which has the highest instances

Answer: C

Explanation:
AutoScaIing attempts to distribute instances evenly between the Availability Zones that are enabled for the user’s AutoScaIing group. Auto Scaling does this by attempting to launch new instances in the Availability Zone with the fewest instances.
Reference:http://docs.aws.amazon.com/AutoScaIing/latest/Deve|operGuide/AS_Concepts.htmI

NEW QUESTION 9
Regarding Amazon SWF, at times you might want to record information in the workflow history of a workflow execution that is specific to your use case. enable you to record information in the workflow execution history that you can use for any custom or scenario-specific purpose.

  • A. Markers B.Tags
  • B. Hash keys
  • C. Events

Answer: A

Explanation:
In Amazon SWF, at times you might want to record information in the workflow history of a workflow execution that is specific to your use case. Markers enable you to record information in the workflow
execution history that you can use for any custom or scenario-specific purpose.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-adv.html

NEW QUESTION 10
A user has created a MySQL RDS instance with PIOPS. Which of the below mentioned statements will help user understand the advantage of PIOPS?

  • A. The user can achieve additional dedicated capacity for the EBS I/O with an enhanced RDS option
  • B. It uses optimized EBS volumes and optimized configuration stacks
  • C. It provides a dedicated network bandwidth between EBS and RDS
  • D. It uses a standard EBS volume with optimized configuration the stacks

Answer: B

Explanation:
RDS DB instance storage comes in two types: standard and provisioned IOPS. Standard storage is allocated on the Amazon EBS volumes and connected to the user’s DB instance. Provisioned IOPS uses optimized EBS volumes and an optimized configuration stack. It provides additional, dedicated capacity for the EBS I/O.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

NEW QUESTION 11
AWS Elastic Beanstalk will change the health status of a web server environment tier to gray color when:

  • A. AWS Elastic Beanstalk detects other problems with the environment that are known to make the application unavailable
  • B. Your application hasn't responded to the application health check URL within the last one hour.
  • C. Your application hasn't responded to the application health check URL within the last five minutes.
  • D. Your appIication's health status is unknown because status is reported when the application is not in the ready state.

Answer: D

Explanation:
AWS Elastic Beanstalk will change the health status of a web server environment tier to gray color when your appIication's health status is unknown (because status is reported when the application is not in the ready state).
Reference: http://docs.aws.amazon.com/elasticbeanstaIk/latest/dg/using-features.heaIthstatus.htmI

NEW QUESTION 12
A user is creating a snapshot of an EBS volume. Which of the below statements is incorrect in relation to the creation of an EBS snapshot?

  • A. Its incremental
  • B. It can be used to launch a new instance
  • C. It is stored in the same AZ as the volume
  • D. It is a point in time backup of the EBS volume

Answer: C

Explanation:
The EBS snapshots are a point in time backup of the EBS volume. It is an incremental snapshot, but is always specific to the region and never specific to a single AZ.
Hence the statement "|t is stored in the same AZ as the volume" is incorrect.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmI

NEW QUESTION 13
A user is setting up an Elastic Load BaIancer(ELB). Which of the below parameters should the user consider so as the instance gets registered with the ELB?

  • A. ELB DNS
  • B. IP address
  • C. Security group
  • D. ELB IP

Answer: B

Explanation:
The EC2 instances are registered with the load balancer using the IP addresses associated with the instances. When an instance is stopped and then started, the IP address associated with the instance changes. This prevents the load balancer from routing traffic to the restarted instance. When the user stops and then starts registered EC2 instances, it is recommended that to de-register the stopped instance from load balancer, and then register the restarted instance. Failure to do so may prevent the load balancer from performing health checks and routing the traffic to the restarted instance.

NEW QUESTION 14
The user has configured AutoScaIing based on the dynamic policy. Which of the following is not the right command to specify a change in capacity as a part of the policy?

  • A. "adjustment=-50" (type is PercentChangeInCapacity)
  • B. "adjustment=3" (type is ExactCapacity)
  • C. "adjustment=-1" (type is ChangeInCapacity)
  • D. "adjustment=-8" (type is ExactCapacity)

Answer: D

Explanation:
The user can configure the AutoScaIing group to automatically scale up and then scale down based on the various specified CIoudWatch monitoring conditions. The user needs to provide the adjustment value and the adjustment type. A positive adjustment value increases the current capacity and a negative adjustment value decreases the current capacity. The user can express the change to the current size as an absolute number, an increment or as a percentage of the current group size.
In this option specifying the exact capacity with the adjustment value = -8 will not work as when type is exact capacity the adjustment value cannot be negative.
Reference:
http://docs.aws.amazon.com/AutoScaling/latest/DeveIoperGuide/as-scaIe-based-on-demand.html

NEW QUESTION 15
A user has configured an automated backup between 5 AM — 5:30 AM for the MySQL RDS DB. Will the performance of RDS get frozen momentarily during a backup?

  • A. No
  • B. Yes, only if the instance size is smaller than large size
  • C. Yes, provided it is a single zone implementation
  • D. Yes, always

Answer: C

Explanation:
Amazon RDS provides two different methods for backing up and restoring the Amazon DB instances. A brief I/O freeze, typically lasting a few seconds, occurs during both automated backups and DB snapshot operations on Single-AZ DB instances.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Overview.BackingUpAndRestoringAmazonR DSInstances.htmI

NEW QUESTION 16
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