Showing posts with label Lightsail. Show all posts
Showing posts with label Lightsail. Show all posts

November 25, 2022

Top 20 AWS PinPoint Questions and Answers

 


Additionally, you can use Amazon Pinpoint to develop campaigns that notify your users via emails, text messages, push notifications, in-app messaging, and other means when they do particular activities within your apps. Creating a welcome email to send to customers who create profiles is one example. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns. Both transactional and targeted marketing use cases can be implemented well with event-based campaigns. You choose certain events, traits, and metric values that you wish to use to activate your campaigns rather than specifying a time to send your message to clients.

You can decide when the campaign should be sent while setting up the campaign in Amazon Pinpoint. You have two choices: either send the campaign at a particular time or send it when an event takes place. Period-based campaigns can be planned to run once right away or at a specific time in the future. Hourly, daily, weekly, or monthly runs can also be planned for them. To establish your recurring campaigns, pick a start date, an end date, and decide whether or not to base message delivery on the time zone of each recipient.

 

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Ques. 1): How can I manage and conduct my campaigns using Amazon Pinpoint?

Answer:

Running targeted campaigns and promoting consumer communications across various channels, such as email, SMS, push notifications, in-app messaging, or custom channels, is simple with Amazon Pinpoint. You may specify which people to target with Amazon Pinpoint campaigns, choose the messages to send, set the optimal time for the messages to be sent, and then monitor the campaign's progress.

Because Amazon Pinpoint is designed to scale, you can use it to gather and process billions of events daily and send billions of user-specific messages.

 

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Ques. 2): How are campaign limitations implemented?

Answer:

You may define the maximum amount of messages an endpoint can receive for a campaign on the General Settings page of the Amazon Pinpoint console or in the campaign settings. When you wish to impose severe restrictions on the number of messages an endpoint can receive at any given time, this functionality can be helpful. You can set the limit to 1 if, for instance, you develop a campaign that is automatically distributed to all new clients. The message will only be sent to new clients once thanks to this setting.

The number of messages that target an endpoint, as opposed to the number of messages that are actually delivered to an endpoint, is what determines how effective this feature is. The endpoint is still considered to have been targeted even if a campaign is set up to automatically send a message when a client establishes a new account but the endpoint is unable to receive the message for whatever reason (for instance, if your campaign's quiet time option applies to the endpoint). In this case, the endpoint is dropped from all campaign runs going forward until the limit period has passed.

 

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Ques. 3): How can Amazon Pinpoint be used by developers?

Answer:

A single API layer, CLI support, and client-side SDK support are all provided by Amazon Pinpoint to developers so they can increase the number of communication channels available to users of their applications. Email, SMS text messaging, push alerts, voice messages, and custom channels are a few of these channels. Additionally, Amazon Pinpoint offers developers access to an analytics platform that monitors app user engagement and activity. With the use of this service, developers can discover the preferred methods of interaction from each user and tailor the end-user experience to boost the utility of their applications.

Several messaging use cases, including direct or transactional messaging, targeted or campaign messaging, and event-based messaging, are also assisted by Amazon Pinpoint for developers.


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Ques. 4): What are campaigns based on events?

Answer:

When your consumers complete certain activities within your applications, such making purchases or watching videos, event-based campaigns send them messages via text, push notifications, in-app messaging, and emails. For instance, you may configure a campaign to send a message when a customer registers for an account or adds something to their basket but later decides not to buy it. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns. Both transactional use cases, like one-time passwords and order confirmation messages, and targeted use cases, like marketing promotions, can be implemented successfully using event-based campaigns. Rather than define a time to send your message to customers, you select specific events, attributes, and metric values that you want to use to trigger your campaigns. 


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Ques. 5): What advantages do custom events offer?

Answer:

You may learn more about user behaviour in your app by using custom events. For instance, a game designer would be interested in knowing how frequently a level is finished as well as how much health each player has left after finishing a level. You can build a custom event called "level complete" that has the attributes "add level" and "health" as its value. You can log a "level complete" event each time a level is finished, along with the level's name and the player's health. You could find that a level is too simple by looking at the events charts because everyone always completes with maximum health. Using this data, you can adjust the level's difficulty to better challenge and engage players, which might improve retention.

Additionally, you can utilise custom events to develop event-based campaigns that are sent when users of your applications do particular actions. For instance, you can configure a campaign to send a message whenever a consumer registers for an account, makes a specified transaction, or adds an item to their basket but decides not to check out.

With the aid of event-based campaigns, you can reach out to your audience with timely, relevant, and personalised messages that build their trust in your company and encourage them to buy from you again. Using the Amazon Pinpoint console or the Amazon Pinpoint API, you may build event-based campaigns.


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Ques. 6): What exactly is a "session"?

Answer:

When an app is launched (or brought to the foreground), a session begins, and it ends when the app is closed (or goes to the background). An idle interval of up to 5 seconds does not count as a new session in order to account for small interruptions, such as a text message. Total daily sessions displays the daily usage of your app. The average number of sessions per user who is an active daily user is displayed.

 

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Ques. 7): Where can I find analytics information?

Answer:

The Amazon Pinpoint console lets you access analytics information. The interface offers thorough graphs and stats for each of your projects that offer insight into things like client demographics, application usage, purchase activity, campaign delivery and engagement rates, and customer activity. A portion of these metrics are also available programmatically using the Amazon Pinpoint API.


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Ques. 8): Will this phone number be used to send every SMS message to US recipients if I only have one 10DLC phone number in my account?

Answer:

Yes. Any messages you send to receivers in the US will go through that number if you just have one US phone number in your account, whether it be a 10DLC number, a short code, or a toll-free number.

You can give your Origination Number in your call to the Amazon Pinpoint API if your account has several numbers. Without a specific origination number specified, Amazon Pinpoint finds the most appropriate number to use to send your message. Amazon Pinpoint will send using your account's short code if one is present. If you don’t have a short code, it looks for a 10DLC phone number, and attempts to send using that number. If you don’t have a 10DLC number, it looks for a toll-free number, and attempts to send using that number.

 

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Ques. 9): How much time does it take to transfer 10DLC registrations between AWS accounts?

Answer:

While it is feasible to transfer 10DLC registrations between AWS accounts, the transfer procedure may take a few weeks to complete. We advise you to finish the 10DLC registration process on your primary production account as a result. Then, you may share your 10DLC phone numbers with other AWS accounts, such your test or development accounts, using cross-account access.

 

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Ques. 10): Will I experience throttling if my 10DLC campaign cannot handle my increased publishing rate?

Answer:

By default, Amazon Pinpoint only allows you to send 20 SMS messages each second. You will experience throttling issues if you go over this account-level cap. You may, however, ask for this cap to be raised.

 

With 10DLC, the corporate and campaign registration processes involve the cell carriers calculating a trust score for each sender. How many texts you can send to each carrier is based on your trust score. Your messages will start to be rejected by a specific carrier if you go over the campaign cap for that carrier. To track these events, Amazon highly advises that you activate event streaming.

 

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Ques. 11): Are URL shorteners compatible with 10DLC messages?

Answer:

Links that have been shortened using services like bit.ly or TinyURL are not permitted by mobile providers. When you add links in your communications, we advise using the complete domain of the URLs. As an alternative, you can employ dedicated domains with commercial URL shortening services. Even a URL shortener can be created utilising AWS services. If you employ a custom URL shortening domain, the name need to be immediately associated with your company. You should include instances of your shortened URLs when you supply your message templates during the 10DLC campaign registration procedure.

 

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Ques. 12): In what ways may I test Amazon Pinpoint?

Answer:

With Amazon Pinpoint, you can trial before you purchase without speaking to a salesperson, filling out an RFP, or engaging consultants or other professional services. Simply create an Amazon Pinpoint project by logging in with your AWS credentials to the Amazon Pinpoint console.

 

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Ques. 13): What does Sender ID mean?

Answer:

An SMS message's sender can be determined by the sender ID, which is an alphabetical name. If you use a sender ID to send an SMS and the recipient is in a region that supports sender ID authentication, your sender ID will appear on their device in place of a phone number. SMS recipients can learn more about the sender than they do from a phone number or short code thanks to a sender ID.

In many nations and areas of the world, sender IDs are supported. Businesses that send SMS messages to specific clients may need to use sender IDs that have been pre-registered with a regulatory body or industry association in various jurisdictions. For a complete list of countries and regions that support or require sender IDs, see Supported countries and regions (SMS channel).

 

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Ques. 14): What does a travel activity entail?

Answer:

Multi-step campaigns are automated by journeys. Every task in a journey is either an action (like sending an email), a wait depending on time, a segmentation of the trip based on the customer's action (like opening an email vs. not opening the email), or enforcing a holdout.

 

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Ques. 15): What should I do if I make a mistake while travelling?

Answer:

Journeys has a built-in review mechanism that looks for deal-breaker problems and offers suggestions and best practises. Before beginning each travel, this review process must be finished.

The test function in Journeys also makes it simple to send a group of test subjects on a journey. You may make sure that your journey acts as you anticipate by testing it first.

You can halt your journey at any point if you run into problems while it is in progress. When a journey is interrupted, people stop doing the activity they are doing right now and never move on to the following activity.

 

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Ques. 16): What's a standard campaign?

Answer:

A targeted segment (either static or dynamic), a message, and an execution timetable are all parts of a standard campaign. When you establish a campaign, you may also use previously defined segments or define a new segment. Based on the segment-specific criteria, Amazon Pinpoint recalculates the current audience size for each campaign that is scheduled.

 

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Ques. 17): How can I launch an event-based campaign?

Answer:

Making a new campaign is the initial step in putting up an event-based campaign. You decide when the campaign should be sent on step 4 of the campaign development procedure. You have the option of sending the campaign when a certain time or event occurs. Select "When an event occurs" before selecting the occasions, characteristics, and metrics that launch your campaign.

 

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Ques. 18): What are bespoke occasions?

Answer:

Custom events are defined as event metrics by you. They provide the tracking of user actions unique to your game or application. Viewing the frequency of custom events is possible thanks to the Amazon Pinpoint event charts. Based on attributes and the values assigned to them, custom events can be filtered.

By giving them names like "Item Bought" or "Button Pressed," you may construct custom events. You can then give them context by supplying metrics and characteristics (for qualitative measures) (for quantitative measures). For instance, you can use "Item Bought" as a custom event, "Item XYZ" as an attribute, and "Item Price" as the metric if your business goal is to track purchases of things from within the app. You may search and filter for each property or metric in the custom events report. You can discover, for instance, how frequently "Item XYZ" was bought or how frequently "Item Price" was $1.99. Additionally, you can monitor minimum, maximum, or average metric values as well as analyse the weighted average of metric data (per session). We advise custom event names to be general and attribute names to be specific as a best practise.

 

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Ques. 19): What kinds of statistics are available on my mobile and web applications from Amazon Pinpoint?

Answer:

Several different types of common analytics are available through Amazon Pinpoint to help you understand how your application is doing. Metrics for active users, user behaviours and demographics, sessions, user retention, campaign efficacy, and transactional messages are all part of standard analytics. You may undertake in-depth analysis using these metrics together with the analytics tools on the console by filtering on certain segments, custom properties, and more.

 

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Ques. 20): How long are analytics data stored by Amazon Pinpoint?

Answer:

Your analytics data is automatically stored by Amazon Pinpoint for 90 days. To keep the data for a longer period of time, you can export data from the console to comma-separated values (.csv) files or set up Amazon Pinpoint to stream event data to Amazon Kinesis. You can view your data on the console or you can query a subset of it programmatically using the Amazon Pinpoint API. Kinesis is an Amazon Web Services (AWS) service that can instantly gather, analyse, and analyse data from other AWS services. Event data from Amazon Pinpoint can be sent to Kinesis Data Firehose, which streams data to Amazon S3 and Amazon Redshift, among other AWS data stores. Additionally, Kinesis Data Streams, which receives and maintains numerous data streams for processing in analytics applications, may receive data from Amazon Pinpoint.

 

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Top 20 AWS Batch Interview Questions and Answers

 

        

            Developers, scientists, and engineers may perform hundreds of thousands of batch computing operations on AWS with the help of AWS Batch, a suite of batch management tools. Based on the volume and unique resource requirements of the batch jobs submitted, AWS Batch dynamically allocates the ideal number and kind of compute resources (e.g., CPU or memory optimised compute resources) to each batch job. With AWS Batch, you can concentrate on reviewing the results and resolving issues rather than installing and managing batch computing tools or server clusters. Your batch computing tasks are planned, scheduled, and carried out by AWS Batch using AWS Fargate, Amazon ECS, and Amazon EKS, with the option of deploying spot instances.

 

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Ques. 1): Can I switch between a Fargate CE and a Fargate Spot CE, or the other way around?

Answer:

Yes. Fargate CEs can be configured to have a maximum virtual CPU, which represents the combined virtual CPU usage of all active processes in that CE. If there is a queue, Batch will start scheduling jobs on the subsequent Fargate CE in the order they are attached when your vCPU count reaches the maximum vCPU for that CE. This is helpful, for instance, if you want to run a Fargate CE configured to a certain minimum business need while running the remainder of your workload on a Fargate Spot.

Batch will only spill over into Fargate when the total vCPU consumed by your jobs exceeds the maximum vCPU for that CE, even when specifying a Fargate Spot CE as first, followed by a Fargate CE. If a Fargate Spot is reclaimed, the maximum vCPU will not be reached and Batch will not request Fargate resources to run your jobs in the following CE.

It is not permitted to connect an AWS Batch task queue to a Fargate/Fargate Spot CE or an EC2 or Spot CE.

 

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Ques. 2): What distinguishing traits does AWS Batch have?

Answer:

You can effortlessly run thousands of jobs of any scale using Amazon ECS, Amazon EKS, and AWS Fargate with the choice of Spot or on-demand resources thanks to AWS Batch, which handles compute environments and job queues. Your batch jobs are only defined and added to a queue. In response, AWS Batch selects the location for the jobs to run, launching more AWS capacity as necessary. AWS Batch keeps a close eye on the development of your jobs. AWS Batch will delete capacity when it is no longer required. As you submit jobs, AWS Batch also gives you the option to submit jobs that are a part of a pipeline or workflow, allowing you to describe any interdependencies between them.

 

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Ques. 3): What is a Compute Environment?

Answer:

A group of computing resources are referred to as an AWS Batch Compute Environment and are used to run jobs. Both managed and unmanaged compute environments, which are controlled by customers, are supported by AWS Batch. Managed compute environments are those that are created and maintained by AWS. Unmanaged Compute Environments offer a way to take advantage of specialised resources like Amazon EFS, bigger storage configurations, and Dedicated Hosts.


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Ques. 4): What is Batch Computing?

Answer:

Batch computing is the automatic running of a number of programmes (referred to as "jobs") on one or more computers. By using scripts, command-line arguments, control files, or task control language, input parameters can be predefined. The sequencing and scheduling of numerous jobs is crucial since a given batch job could be dependent on the completion of earlier operations or the availability of specific inputs, making interactive processing impossible.


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Ques. 5): How is using Spot Instances made simpler by AWS Batch?

Answer:

EC2 Spot Instances may be used in AWS Batch Compute Environments. AWS Batch will handle the rest of the process for you if you state only that you want to use EC2 Spot Instances and a proportion of the On-Demand pricing that you are ready to pay when creating a Managed Compute Environment. Spot Instances that you deploy, including those launched by EC2 Spot Fleet, can also be included in unmanaged compute environments.


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Ques. 6): Can tasks that don't require accelerators be run in accelerated instances?

Answer:

With its current behaviour, Batch will try to avoid scheduling non-accelerated jobs on accelerated instances. This prevents situations when ongoing tasks use the accelerated instance without benefiting from the accelerator, raising costs. It is possible that Batch will decide that using an accelerated instance is the least expensive option for running your jobs in exceptional circumstances with Spot pricing and authorised types being accelerated instances, regardless of accelerator requirements.

If you submit a job to a CE that only permits Batch to launch instances with accelerators, Batch will execute the jobs on those instances, regardless of whether they require an accelerator.

 

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Ques. 7): What do I need to prepare to begin?

Answer:

You don't have to manually start up your own computational resources to get going. You can submit your first job by setting up your first compute environment and work queue with the help of the AWS Batch web portal. Your compute environment's resources will scale up as more jobs are prepared to run and down as there are fewer runnable jobs available.


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Ques. 8): What advantages does batch computing offer?

Answer:

  • It can move the processing of jobs to times when more or less expensive capacity is offered.
  • It prevents idle computing resources by regular physical intervention and oversight.
  • By encouraging higher utilisation of computing resources, it improves efficiency.
  • It makes it possible to prioritise tasks, matching resource allocation to corporate goals.


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Ques. 9): When should I run my jobs on EC2 instead of Fargate?

Answer:

When you want AWS Batch to handle provisioning of compute totally abstracted from EC2 infrastructure, you should run your jobs on Fargate. If you require access to certain instance configurations (specific CPUs, GPUs, or architecture), or if your workloads are really huge, you should execute your jobs on EC2.

Depending on your use case, either EC2 or Fargate could help your jobs launch more quickly. Since there is no need to wait for an EC2 instance to start up, Fargate jobs will start more quickly in the case of initial scale-out of work. However, because Batch reuses instances and container images to run future jobs, EC2 instances might be faster for heavier workloads.

 

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Ques. 10): What is the Amazon ECS Agent, and how does AWS Batch utilise it?

Answer:

Since AWS Batch leverages Amazon ECS to run containerized jobs, your AWS Batch Computing Environments' compute resources must have the ECS Agent installed. In Managed Compute Environments, the ECS Agent comes pre-installed.

 

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Ques. 11): What are the benefits of using accelerators with AWS Batch?

Answer:

Using accelerators with Batch allows you to dynamically schedule and provision jobs based on their accelerator requirements, and Batch will make sure that the right amount of accelerators are reserved for your jobs. You can concentrate on your applications because Batch will scale down and up your EC2 Accelerated Instances as necessary. Because Batch and EC2 Spot are natively integrated, you can save up to 90% on accelerated processes by employing accelerated instances.

 

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Ques. 12): How is the ECS GPU-Optimized AMI used by Batch?

Answer:

P-type instances will now always launch with the ECS GPU-optimized AMI by default. The runtimes and libraries required to execute GPU-based apps are included in this AMI. When constructing a CE, you may always use a custom AMI as needed.

 

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Ques. 13): When should I execute my jobs in ECS, EKS, and Fargate?

Answer:

When you want AWS Batch to entirely separate computing provisioning from ECS infrastructure, you should run your jobs on Fargate. If you require access to certain instance configurations (specific CPUs, GPUs, or architecture), or if your workloads are really enormous, you should execute your jobs on ECS. You may standardise your batch workloads utilising Batch integration with EKS if you've chosen Kubernetes as your container orchestration platform.

Depending on your use case, Fargate jobs will currently start more quickly in the case of initial scale-out of work because no EC2 instance or pods need to be launched. However, for larger workloads EKS or ECS may be faster as Batch reuses instances and container images to run subsequent jobs.

 

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Ques. 14): What is a Job Definition?

Answer:

The work to be done, its parameters, the environment it will operate in, the computing needs, and other details are all described in a job definition. Before submitting a job, job definitions are created and shared with others.

 

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Ques. 15): How do I send jobs to Batch that need accelerated instances?

Answer:

The Job Definition allows you to specify the number and kind of accelerators. You describe the accelerator by mentioning the type of accelerator (for example, GPU, which is the only type of accelerator currently supported), as well as how many of that type are needed for your project. On one of the instance types listed in your compute environments, your specified accelerator type must exist. Make sure you have defined a P-family instance in your Compute Environment, for instance, if your job requires 2 GPUs.

 

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Ques. 16): Why need I to utilise AWS Batch?

Answer:

Instead of setting up and managing infrastructure, you can concentrate on creating applications or conducting analysis with AWS Batch taking care of job execution and compute resource management. Consider using AWS Batch if you're planning to execute or transfer batch workloads to AWS.

 

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Ques. 17): Do accelerators work with AWS Batch?

Answer:

Yes, in addition to the present options of vCPU and memory, you can use Batch to specify the amount and type of accelerators your jobs require as job specification input variables. Based on the necessary accelerators, AWS Batch will scale up instances suitable for your jobs and isolate the accelerators in accordance with the requirements of each job so that only the proper containers can access them.

 

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Ques. 18): For what applications is AWS Batch optimised?

Answer:

AWS Batch is designed for batch processing and applications that scale by running several jobs simultaneously. Excellent examples of batch computing applications include deep learning, genomics analysis, financial risk models, Monte Carlo simulations, animation rendering, media transcoding, image processing, and engineering simulations.

 

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Ques. 19): What kinds of batch jobs can be run using AWS Batch?

Answer:

Every job that can be run inside a Docker container is supported by AWS Batch. Jobs describe how much RAM and virtual CPUs they need.

 

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Ques. 20): Can the job definition's accelerator variables be changed after the work has been submitted?

Answer:

Similar to vCPU and RAM requirements, the quantity and kind of accelerators can be changed when submitting a work.

 

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