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Que 1: A website runs on a Microsoft Windows server in an on-premises data center. The web server is being migrated to Amazon EC2 Windows instances in multiple Availability Zones on AWS. The web server currently uses data stored in an on-premises network-attached storage (NAS) device. Which replacement to the NAS file share is MOST resilient and durable?
Correct Answer: Migrate the file share to Amazon EBS
Que 2: A solutions architect is finalizing the architecture for a distributed database that will run across multiple Amazon EC2 instances. Data will be replicated across all instances so the loss of an instance will not cause loss of data. The database requires block storage with low latency and throughput that supports up to several million transactions per second per server.Which storage solution should the solutions architect use?
Correct Answer: Amazon EFS
Que 3: An organization is creating a new storage solution and needs to ensure that Amazon S3 objects that are deleted are immediately restorable for up to 30 days. After 30 days the objects should be retained for a further 180 days and be restorable within 24 hours. The solution should be operationally simple and cost-effective. How can these requirements be achieved?
Correct Answer: Create a lifecycle rule to transition non-current versions to GLACIER after 30 days, and then expire the objects after 180 days
Que 4: An Amazon EBS-backed EC2 instance has been launched. A requirement has come up for some high-performance ephemeral storage.How can a Solutions Architect add a new instance store volume?
Correct Answer: You can use a block device mapping to specify additional instance store volumes when you launch your instance, or you can attach additional instance store volumes after your instance is running
Que 5: A High Performance Computing (HPC) application will be migrated to AWS. The application requires low network latency and high throughput between nodes and will be deployed in a single AZ.How should the application be deployed for best inter-node performance?
Correct Answer: Behind a Network Load Balancer (NLB)
Que 6: A Solutions Architect is designing the messaging and streaming layers of a serverless application. The messaging layer will manage communications between components and the streaming layer will manage real-time analysis and processing of streaming data.The Architect needs to select the most appropriate AWS services for these functions. Which services should be used for the messaging and streaming layers?
Correct Answer: Use Amazon EMR for collecting, processing and analyzing real-time streaming data
Que 7: mobile client requires data from several application-layer services to populate its user interface. What can the application team use to decouple the client interface from the underlying services behind them?
Correct Answer: AWS Device Farm
Que 8: A company runs an application on premises that stores a large quantity of semi-structured data using key-value pairs. The application code will be migrated to AWS Lambda and a highly scalable solution is required for storing the data.Which datastore will be the best fit for these requirements?
Correct Answer: Amazon EFS
Que 9: A legacy application is being migrated into AWS. The application has a large amount of data that is rarely accessed. When files are accessed they are retrieved sequentially. The application will be migrated onto an Amazon EC2 instance.What is the LEAST expensive EBS volume type for this use case?
Correct Answer: Cold HDD (sc1)
Que 10: The Solutions Architect in charge of a critical application must ensure the Amazon EC2 instances are able to be launched in another AWS Region in the event of a disaster.What steps should the Solutions Architect take?
Correct Answer: Enable cross-region snapshots for the Amazon EC2 instances
Que 11: An application uses an Amazon RDS database and Amazon EC2 instances in a web tier. The web tier instances must not be directly accessible from the internet to improve security.How can a Solutions Architect meet these requirements?
Correct Answer: Launch the EC2 instances in a public subnet and create an Application Load Balancer in a public subnet
Que 12: An Amazon RDS PostgreSQL database is configured as Multi-AZ. A solutions architect needs to scale read performance and the solution must be configured for high availability. What is the most cost-effective solution?
Correct Answer: Create a read replica as a Multi-AZ DB instance
Que 13: A Solutions Architect needs to capture information about the traffic that reaches an Amazon Elastic Load Balancer. The information should include the source, destination, and protocol.What is the most secure and reliable method for gathering this data?
Correct Answer: Create a VPC flow log for each network interface associated with the ELB
Que 14: A Solutions Architect is launching an Amazon EC2 instance with multiple attached volumes by modifying the block device mapping. Which block device can be specified in a block device mapping to be used with an EC2 instance?
Correct Answer: Instance store volume
Que 15: A Solutions Architect needs to upload a large (2GB) file to an S3 bucket. What is the recommended way to upload a single large file to an S3 bucket?
Correct Answer: Use Multipart Upload
