Which of the following best describes the amazon ec2 general purpose instance type?

  1. Migrate your Amazon EBS volumes from gp2 to gp3 and save up to 20% on costs
  2. What is Amazon Machine Image (AMI)?
  3. What is an Instance in Cloud Computing?
  4. Compute optimized instances
  5. Amazon EC2 FAQs
  6. Choosing the Right EC2 Instance Type for Your Application
  7. Determine appropriate EC2 instance type for your workload
  8. What is an Amazon EC2 instance?
  9. Top 80+ AWS Interview Questions and Answers


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Migrate your Amazon EBS volumes from gp2 to gp3 and save up to 20% on costs

• • • • • Update (4/27/2022): In December 2020, In this blog post, I cover how to seamlessly migrate from gp2 volumes to gp3 volumes without restarting your instances or detaching your volumes. By doing so, you can gain cost reduction on your monthly storage spend, and by using Comparing Amazon EBS volume types gp2 and gp3 Here is a Volume type gp3 gp2 Volume size 1 GiB – 16 TiB 1 GiB – 16 TiB Baseline IOPS 3000 3 IOPS/GiB (minimum 100 IOPS) to a maximum of 16,000 IOPS Volumes smaller than 1 TiB can also burst up to 3,000 IOPS. Max IOPS/volume 16,000 16,000 Baseline throughput 125 MiB/s Throughput limit is between 128 MiB/s and 250 MiB/s, depending on the volume size. Max throughput/volume 1,000 MiB/s 250 MiB/s Price $0.08/GiB-month 3,000 IOPS free and $0.005/provisioned IOPS-month over 3,000; 125 MiB/s free and $0.04/provisioned MiB/s-month over 125MiB/s $0.10/GiB-month How to migrate from gp2 to gp3 Amazon EBS To modify an Amazon EBS volume using the AWS Management Console • Open the • Choose Volumes, select the volume to modify, and then choose Actions, Modify Volume. • The Modify Volume window displays the volume ID and the volume’s current configuration, including type, size, IOPS, and throughput. Set new configuration values as follows: • • To modify the type, choose gp3 for Volume Type. • To modify the size, enter a new value for Size. • To modify the IOPS, enter a new value for IOPS. • To modify the throughput, if the volume type is gp3, enter a new value for Throu...

What is Amazon Machine Image (AMI)?

By • What is Amazon Machine Image (AMI)? An Amazon Machine Image (AMI) is a The machine images are like templates that are configured with an operating system and other software that determine the user's operating environment. AMI types are categorized according to region, operating system, system architecture -- 32- or 64-bit -- launch permissions and whether they are backed by Amazon Elastic Block Store ( Each AMI includes a template for the root How to create an AMI from an Amazon EC2 instance Using an Amazon EC2 instance, AMIs can be created from running or stopped instances. • To create an AMI from a running instance, users open the Amazon EC2 instances view and right-click on the instance's file to select Create Image from the drop-down menu. • After selecting Create Image from the drop-down menu, a pop-up window appears with fields requiring information, such as a name and description. After filling in the field information, select Create Image at the bottom of the window. Amazon EC2 automatically shuts down the instance, takes a snapshot of any volumes attached, creates and registers the AMI, and then reboots the instance. Optionally, No reboot can be selected to prevent the instance from shutting down. • The AMI may take a few minutes to be created. When the creation process is complete, the AMI will appear in the AMIs view in the AWS Explorer. To access the AWS Explorer view, double-click on Amazon EC2 | AMIs node. View AMIs by selecting Owned by Me from the View...

What is an Instance in Cloud Computing?

An instance in cloud computing is a server resource provided by third-party cloud services. While you can manage and maintain physical server resources on premises, it is costly and inefficient to do so. Cloud providers maintain hardware in their data centers and give you virtual access to compute resources in the form of an instance. You can use the cloud instance for running compute-intensive workloads like containers, databases, microservices, and virtual machines. A cloud instance allows software developers to scale beyond traditional physical boundaries. Unlike physical servers, developers don’t need to worry about the underlying hardware when deploying workloads on a cloud instance. There are two main benefits of cloud instances. Scalability Developers scale computing resources in a cloud instance according to their workload requirements. For example, software developers deploy an application on an instance. As the app gains more users, it experiences huge traffic that slows down response time. Developers can horizontally scale cloud resources by increasing the CPU, memory, storage, and network resources to the particular instance. Fault tolerance Organizations create redundancy by using multiple duplicate instances for backup. They are especially useful for managing memory-intensive workloads like data processing. For example, an application can still run on other instances in the US and Asia if a cloud instance hosted in Europe fails. Compute intensive You can run ...

Compute optimized instances

C5 and C5n instances These instances are well suited for the following: • Batch processing workloads • Media transcoding • High-performance web servers • High-performance computing (HPC) • Scientific modeling • Dedicated gaming servers and ad serving engines • Machine learning inference and other compute-intensive applications Bare metal instances, such as c5.metal, provide your applications with direct access to physical resources of the host server, such as processors and memory. For more information, see Amazon EC2 C5 Instances . C6g, C6gd , and C6gn instances These instances are powered by AWS Graviton2 processors and are ideal for running advanced, compute-intensive workloads, such as the following: • High-performance computing (HPC) • Batch processing • Ad serving • Video encoding • Gaming servers • Scientific modeling • Distributed analytics • CPU-based machine learning inference Bare metal instances, such as c6g.metal, provide your applications with direct access to physical resources of the host server, such as processors and memory. For more information, see Amazon EC2 C6g Instances . Hpc6a instances These instances are ideal for running high performance computing (HPC) workloads, such as the following: • Molecular dynamics • Computational chemistry • Computational fluid dynamics • Weather forecasting • Materials simulation • Crash simulations • Astrophysics For more information, see Amazon EC2 Hpc6a Instances . Contents • • • • • • Hardware specifications The fo...

Amazon EC2 FAQs

Q: What is Amazon Elastic Compute Cloud (Amazon EC2)? Amazon EC2 is a web service that provides resizable compute capacity in Q: What can I do with EC2? Just as Amazon Simple Storage Service (Amazon S3) enables storage in the cloud, EC2 enables “compute” in the cloud. The EC2 simple web service interface allows you to obtain and configure capacity with minimal friction. It provides you with complete control of your computing resources and lets you run on Amazon’s proven computing environment. EC2 reduces the time required to obtain and boot new server instances to minutes, allowing you to quickly scale capacity, both up and down, as your computing requirements change. EC2 changes the economics of computing by allowing you to pay only for capacity that you actually use. Q: How can I get started with EC2? To sign up for EC2, click the “Sign up for This Web Service” button on the EC2 detail page. You must have an AWS account to access this service; if you do not already have one, you will be prompted to create one when you begin the EC2 sign-up process. After signing up, please refer to the Q: Why am I asked to verify my phone number when signing up for EC2? EC2 registration requires you to have a valid phone number and email address on file with AWS in case we ever need to contact you. Verifying your phone number takes only a couple of minutes and involves receiving a phone call during the registration process and entering a PIN using the phone key pad. Q: What can developer...

Choosing the Right EC2 Instance Type for Your Application

Over the past six or seven years I have had the opportunity to see customers of all sizes use In order to help you to do this for your own applications, I’d like to review some important EC2 concepts and then take a look at each of the instance types that make up the EC2 instance family. Important Concepts Let’s start with some concepts, just to make sure that we are all on the same page. An Amazon Machine Image (AMI) is a template that defines your operating environment, including the operating system. A single AMI can be used to launch one or thousands of instances. Instances provide compute power and are the fundamental building blocks. Instances are created by launching an Amazon Machine Image (AMI) on a particular instance type. You can scale the number of instances you are running up or down on demand, either manually or automatically, using Instance Types comprise various combinations of CPU, memory, storage, and networking capacity and give you the flexibility to choose the appropriate mix of resources for your applications. Each instance type has one or more size options that address different workload sizes. For the best experience, you should launch on instance types that are the best fit for your applications. Instance Families are collections of instance types designed to meet a common goal. To make it easier for you to select the best option for your applications, Amazon EC2 instance types are grouped together into families based on target application profile...

Determine appropriate EC2 instance type for your workload

Short description Amazon EC2 • Operating System • Number of CPU cores • Amount of system memory (RAM) • Storage space • GPU cores • Network bandwidth requirement Resolution Determine the use case for the instance and then review the different EC2 instance families. To learn more about the different use cases that a particular EC2 instance family can serve, see Amazon offers the following instance type families: • • • • • Choose the Amazon EC2 instance family and appropriate size for your instance Use the system requirements you gathered and the instance family that best serves your needs to choose a specific instance type. Instance type names are comprised of the family name and the instance size. For example, the t2.micro instance is from the T2 family and is micro-sized. Every instance type has the following hardware specifications: • Default vCPUs: The number of virtual CPUs for the instance. For more information, see • Memory (GiB): For more information, see • Instance storage (GB): The local instance store volumes that are available to the instance. The data in an instance store isn't permanent. Data on instance store volumes is deleted if the instance is stopped or terminated. For more information, see • Amazon Elastic Block Store (Amazon EBS)-Optimized available: Indicates whether the instance type supports EBS optimization. An EBS-optimized instance provides additional, dedicated throughput for Amazon EBS I/O. This provides improved performance for your Amazon EBS ...

What is an Amazon EC2 instance?

By • • What is an Amazon EC2 instance? An Amazon EC2 instance is a virtual server in Amazon's Elastic Compute Cloud (EC2) for running applications on the Amazon Web Services (AWS) infrastructure. AWS is a comprehensive, evolving cloud computing platform; EC2 is a service that enables business subscribers to run application programs in the computing environment. It can serve as a practically unlimited set of virtual machines (VMs). Amazon provides various types of instances with different configurations of CPU, memory, storage and networking resources to suit user needs. Each type is available in various sizes to address specific workload requirements. Instances are created from Amazon Machine Images ( EC2 instance types Instance types are grouped into families based on target application profiles. These groups include the following: • General purpose. A general purpose instance is a VM that is designed to handle a variety of workloads. General purpose instances are optimized to have a high number of CPU cores, on-demand storage and memory. Some common use cases for general purpose instances include web server hosting and software development and testing. • Compute optimized. Compute optimized instances are used to run big data applications that require large amounts of processing power and memory on the AWS cloud. These instances are designed and optimized for running computational and data-intensive applications that require fast network performance, extensive availabilit...

Top 80+ AWS Interview Questions and Answers

AWS INTERVIEW QUESTIONS 1. I have some private servers on premises, also I have distributed some of workload on the public cloud, What is this architecture called? The architecture name is Hybrid Cloud. 2. What does the command do with respect to the Amazon EC2 security groups? Creates a security group for use your account . 3 . You have a distributed application that periodically processes large volumes of data across multiple Amazon EC2 Which of the following will meet your requirements?. The application are designed to recover gracefully from Amazon EC2 instance can be failures. You are required to accomplish the task in most cost effective way.Which of the following will meet your requirements? Mostly used on Spot Instances. 4. If I want the instance to run on single tenant hardware, which value do have to set the instance’s tenancy attribute to? Attribute is Dedicated. 5. When will you incur the costs with an Elastic IP address (EIP)? When it is allocated and associated with an stopped instance. 6. Are the Reserved Instances can available for Multi-AZ Deployments? Available for the all instance types. 7. You need to configure an Amazon S3 bucket to the serve static assets for your public-facing of web application. Which method will ensure that all objects an uploaded to the bucket are set to the public read? Configure to the bucket policy to set all objects to public read. 8. A customer wants to the leverage Amazon Simple Storage Service (S3) and Amazon Glacier as a p...