batch #6 Flashcards
Which of the following S3 storage classes takes the most time to retrieve data
“S3 Glacier Deep Archive”
You have a real-time IoT application that requires sub-millisecond latency. Which of the following services should you use?
Amazon ElastiCache for Redis is a blazing fast in-memory data store that provides sub-millisecond latency to power internet-scale real-time applications. Built on open-source Redis and compatible with the Redis APIs, ElastiCache for Redis works with your Redis clients and uses the open Redis data format to store your data
Which of the following will affect how much you are charged for storing objects in S3? (
S3 pricing is based on four factors:
1) Total amount of data (in GB) stored on S3
2) Storage class (S3 Standard, S3 Intelligent-Tiering, S3 Standard-Infrequent Access, S3 One Zone-IA, S3 Glacier, or S3 Glacier Deep Archive)
3) Amount of data transferred out of AWS from S3
4) Number of requests to S3
An organization needs to build a financial application that requires support for ACID transactions.
RDS
A company wants to use Amazon Elastic Container Service (Amazon ECS) to run its containerized applications. For compliance reasons, the company wants to retain complete visibility and control over the underlying server cluster. Which Amazon ECS launch type will satisfy these requirements?
EC2 launch
What are the 5 pillars of the AWS well architected framework
Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimalization
A company is building an online cloud storage platform. They need a storage service that can scale capacity automatically, while minimizing cost. Which AWS storage service should the company use to meet these requirements?
Amazon S3 is a storage service offered by AWS that offers highly redundant object storage to AWS customers. Amazon S3 allows customers to effectively store and retrieve any amount of data from anywhere. Amazon S3 offers an extremely durable, highly available, and infinitely scalable data storage infrastructure at very low costs.
Which of the following is true regarding the AWS availability zones and edge locations?
An availability zone is a geographic location where AWS provides multiple physically seperatedand isolated edge locations
You are running a financial services web application on AWS. The application uses a MySQL database to store the data. Which of the following AWS services would improve the performance of your application by allowing you to retrieve information from fast in-memory caches?
Amazon ElastiCache offers fully managed Redis and Memcached. Seamlessly deploy, operate, and scale popular open source compatible in-memory data stores. Build data-intensive apps or improve the performance of your existing apps by retrieving data from high throughput and low latency in-memory data stores. Amazon ElastiCache is a popular choice for Gaming, Ad-Tech, Financial Services, Healthcare, and IoT apps.
What is the AWS service that provides five times the performance of a standard MySQL database?
Amazon Aurora
Which of the following AWS Services helps with planning application migration to the AWS Cloud?
AWS Application Discovery Service helps systems integrators quickly and reliably plan application migration projects by automatically identifying applications running in on-premises data centers, their associated dependencies, and their performance profiles.
A customer is planning to move billions of images and videos to be stored on Amazon S3. The customer has approximately 60 Petabytes of data to move. Which of the following AWS Services is the best choice to transfer the data to AWS
AWS Snowmobile is an Exabyte-scale data transfer service used to move extremely large amounts of data to AWS. You can transfer up to 100 Petabytes (PB) per Snowmobile, a 45-foot long ruggedized shipping container, pulled by a semi-trailer truck. Snowmobile makes it easy to move massive volumes of data to the cloud, including video libraries, image repositories, or even a complete data center migration. At exabyte scale, transferring data with Snowmobile is more secure, fast and cost effective.
Which of the following AWS offerings is a MySQL-compatible relational database service that can scale capacity automatically based on demand
Amazon Aurora is a MySQL and PostgreSQL compatible relational database built for the cloud, that combines the performance and availability of high-end commercial databases with the simplicity and cost-effectiveness of open source databases.
Where can you store files in AWS? (Choose TWO)
EBS and EFS
A company has a large amount of structured data stored in their on-premises data center. They are planning to migrate all the data to AWS, what is the most appropriate AWS database option?
Since the data is structured, then it is best to use a relational database service such as Amazon RDS.
