A user has created an Auto Scaling group with default configurations from CLI. The user wants to setup the CloudWatch alarm on the EC2 instances, which are launched by the Auto Scaling group. The user has setup an alarm to monitor the CPU utilization every minute. Which of the below mentioned statements is true?

• A.It will fetch the data at every minute but the four data points [corresponding to 4 minutes] will not have value since the EC2 basic monitoring metrics are collected every five minutes
• B.It will fetch the data at every minute as detailed monitoring on EC2 will be enabled by the default launch configuration of Auto Scaling
• C.The alarm creation will fail since the user has not enabled detailed monitoring on the EC2 instances
• D.The user has to first enable detailed monitoring on the EC2 instances to support alarm monitoring at every minute

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A user has created a VPC with the public and private subnets using the VPC wizard. The VPC has CIDR
20.0.0.0/16. The public subnet uses CIDR 20.0.1.0/24. The user is planning to host a web server in the public subnet (port 80. and a DB server in the private subnet (port 3306.. The user is configuring a security group for the public subnet (WebSecGrp. and the private subnet (DBSecGrp.. Which of the below mentioned entries is required in the web server security group (WebSecGrp.?

• A.Configure Destination as DB Security group ID (DbSecGrp. for port 3306 Outbound
• B.80 for Destination 0.0.0.0/0 Outbound
• C.Configure port 3306 for source 20.0.0.0/24 InBound
• D.Configure port 80 InBound for source 20.0.0.0/16

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A user has created a VPC with public and private subnets using the VPC wizard. The VPC has CIDR 20.0.0.0/16. The private subnet uses CIDR 20.0.0.0/24 . The NAT instance ID is i-a12345. Which of the below mentioned entries are required in the main route table attached with the private subnet to allow instances to connect with the internet?

• A.Destination: 0.0.0.0/0 and Target: i-a12345
• B.Destination: 20.0.0.0/0 and Target: 80
• C.Destination: 20.0.0.0/0 and Target: i-a12345
• D.Destination: 20.0.0.0/24 and Target: i-a12345

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An organization's security policy requires multiple copies of all critical data to be replicated across at least a primary and backup data center. The organization has decided to store some critical data on Amazon S3.
Which option should you implement to ensure this requirement is met?

• A.Use the S3 copy API to replicate data between two S3 buckets in different regions
• B.You do not need to implement anything since S3 data is automatically replicated between regions
• C.Use the S3 copy API to replicate data between two S3 buckets in different facilities within an AWS Region
• D.You do not need to implement anything since S3 data is automatically replicated between multiple facilities within an AWS Region

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A user has developed an application which is required to send the data to a NoSQL database. The user wants to decouple the data sending such that the application keeps processing and sending data but does not wait for an acknowledgement of DB. Which of the below mentioned applications helps in this scenario?

• A.AWS Simple Notification Service
• B.AWS Simple Workflow
• C.AWS Simple Queue Service
• D.AWS Simple Query Service

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