Revisit Domain 4: Billing and Pricing Flashcards
Which of the following is the MOST cost-effective option to purchase an EC2 Reserved Instance (RI)?
- Partial upfront payment option with standard 3-years term
- All upfront payment option with the standard 1-year term
- No upfront payment option with standard 1-year term
- No upfront payment option with standard 3-years term
Partial upfront payment option with standard 3-years term
You can use Amazon EC2 Reserved Instances (RI) to reserve capacity and receive a discount on your instance usage compared to running On-Demand instances. The discounted usage price is reserved for the duration of your contract, allowing you to predict compute costs over the term of the Reserved Instance (RI).
An intern at an IT company provisioned a Linux based On-demand EC2 instance with per-second billing but terminated it within 30 seconds as he wanted to provision another instance type. What is the duration for which the instance would be charged?
- 300 s
- 30s
- 60 s
- 600s
60 seconds
There is a one-minute minimum charge for Linux based EC2 instances, so this is the correct option.
Which of the following AWS services support reservations to optimize costs? (Select three)
- Amazon Elastic Compute Cloud (Amazon EC2)
- Amazon DynamoDB
- Amazon Relational Database Service (Amazon RDS)
- Amazon DocumentDB
- AWS Lambda
- Amazon Simple Storage Service (Amazon S3)
Amazon Elastic Compute Cloud (Amazon EC2)
Amazon DynamoDB
Amazon Relational Database Service (Amazon RDS)
The following AWS services support reservations to optimize costs:
Amazon EC2 Reserved Instances (RI): You can use Amazon EC2 Reserved Instances (RI) to reserve capacity and receive a discount on your instance usage compared to running On-Demand instances.
Amazon DynamoDB Reserved Capacity: If you can predict your need for Amazon DynamoDB read-and-write throughput, Reserved Capacity offers significant savings over the normal price of DynamoDB provisioned throughput capacity.
Amazon ElastiCache Reserved Nodes: Amazon ElastiCache Reserved Nodes give you the option to make a low, one-time payment for each cache node you want to reserve and, in turn, receive a significant discount on the hourly charge for that node.
Amazon RDS RIs: Like Amazon EC2 RIs, Amazon RDS RIs can be purchased using No Upfront, Partial Upfront, or All Upfront terms. All Reserved Instance types are available for Aurora, MySQL, MariaDB, PostgreSQL, Oracle, and SQL Server database engines.
Amazon Redshift Reserved Nodes: If you intend to keep an Amazon Redshift cluster running continuously for a prolonged period, you should consider purchasing reserved-node offerings. These offerings provide significant savings over on-demand pricing, but they require you to reserve compute nodes and commit to paying for those nodes for either a 1- or 3-year duration.
Which of the following AWS Support plans provide access to guidance, configuration, and troubleshooting of AWS interoperability with third-party software? (Select two)
- AWS Enterprise Support
- AWS Business Support
- AWS Basic Support
- AWS Developer Support
- AWS Corporate Support
AWS Enterprise Support
AWS Enterprise Support provides customers with concierge-like service where the main focus is helping the customer achieve their outcomes and find success in the cloud. With Enterprise Support, you get 24x7 technical support from high-quality engineers, tools and technology to automatically manage the health of your environment, consultative architectural guidance delivered in the context of your applications and use-cases, and a designated Technical Account Manager (TAM) to coordinate access to proactive/preventative programs and AWS subject matter experts. You get access to guidance, configuration, and troubleshooting of AWS interoperability with many common operating systems, platforms, and application stack components.
AWS Business Support
You should use AWS Business Support if you have production workloads on AWS and want 24x7 phone, email and chat access to technical support and architectural guidance in the context of your specific use-cases. You get full access to AWS Trusted Advisor Best Practice Checks. You get access to guidance, configuration, and troubleshooting of AWS interoperability with many common operating systems, platforms, and application stack components.
Which Support plan includes all AWS Trusted Advisor checks at the lowest cost?
- AWS Enterprise Support
- AWS Business Support
- AWS Basic Support
- AWS Developer Support
AWS Business Support
Your company wants to receive support from an AWS Technical Account Manager (TAM). Which support plan should you choose?
- AWS Enterprise Support
- AWS Business Support
- AWS Basic Support
- AWS Developer Support
AWS Enterprise Support
Which Amazon Elastic Compute Cloud (Amazon EC2) pricing model is the most cost-effective and flexible with no requirement for a long term resource commitment or upfront payment but still guarantees that instance would not be interrupted?
On-demand Instance
There is no long-term commitment required when you purchase On-Demand Instances. There is no upfront payment and you pay only for the seconds that your On-Demand Instances are running. The price per second for running an On-Demand Instance is fixed. On-demand instances cannot be interrupted.
Which of the following statement is correct regarding the AWS pricing policy for data transfer charges into or out of an AWS Region?
Only outbound data transfer is charged
