Sample Questions
Question: 1
How can a user track memory usage in an EC2 instance?
A. Call Amazon CloudWatch to retrieve the memory usage metric data that exists for the EC2 instance.
B. Assign an 1AM role to the EC2 instance with an 1AM policy granting access to the desired metric.
C. Use an instance type that supports memory usage reporting to a metric by default.
D. Place an agent on the EC2 instance to push memory usage to an Amazon CloudWatch custom metric.
Answer: D
Question: 2
Application servers currently deployed in a private subnet require the ability to integrate with a thirdparty service accessible through the Internet.
Which changes are required to provide outbound Internet connectivity in the VPC without providing inbound Internet connectivity to the application servers?
A. Create a NAT Gateway without attaching an Internet Gateway to the VPC.
B. Create a NAT Gateway and attach an Internet Gateway to the VPC.
C. Attach an Internet Gateway to the VPC without creating a NAT Gateway.
D. Attach a Virtual Private Gateway to the VPC and create a NAT Gateway.
Answer: B
Question: 3
A Solution Architect is designing a two-tier application for maximum security, with a web tier running on EC2 instances and the data stored in an RDS DB instance. The web tier should accept user access only through HTTPS connections (port 443) from the Internet, an the data must be encrypted in transit to and from the database.
What combination of steps will MOST securely meet the stated requirements? (Choose two.)
A. Create a security group for the web tier instances that allows inbound traffic only over port 443.
B. Enforce Transparent Data Encryption (TDE) on the RDS database.
C. Create a network ACL that allows inbound traffic only over port 443.
D. Configure the web servers to communicate with RDS by using SSL, and issue certificates to the web tier EC2 instances.
E. Create a customer master key in AWS KMS and apply it to encrypt the RDS instance.
Answer: A,D
Question: 4
A company needs to process a large amount of data stored in an AmazonS3 bucket. The total processing time is expected to be less than five hours. The workload cannot be interrupted and will be executed only once.
Which pricing model will ensure that job completes at the lowest cost?
A. EC2 reserved instances
B. EC2 spot block
C. EC2 On-demand Instances
D. EC2 spot fleet.
Answer: D
Question: 5
A gaming application is heavily dependent on caching and uses Amazon ElastiCache for Redis. The application performance was recently degraded due to failure of the cache node.
What should a Solutions Architect recommend to minimize performance degradation in the future?
A. Migrate from ElastiCache to Amazon RDS
B. Configure automatic backup to save cache data
C. Configure ElastiCache Multi-AZ with automatic failover
D. Use Auto Scaling to provision cache nodes based on CPU usage
Answer: C
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