Which two are true regarding a Dyno? Choose 2 answers

• A.Has the ability to sleep as a standard and performance Dyno
• B.Has Ephemeral filesystems and is rebooted every 24 hours.
• C.Is a light weight VM used to run code on the Heroku Platform
• D.Is a lightweight Linux container used in a collection to run Heroku applications

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A business implemented a magnification plan to encourage its customers to watch some educational videos.
Customers can watch videos over several days, and their progress is recorded. Award points are granted to customers for all completed videos. When the video is marked as completed in Salesforce, an external web service must be called so that points can be awarded to the user.
A developer implemented these requirements in the after update trigger by making a calf to an external web service. However, a System.CalloutException is occurring.
What should the developer do to fix this error?

• A.Move the callout to an asynchronous method with structure (callout=true) annotation.
• B.Replace the after update trigger with a before insert trigger.
• C.Write a REST service to integrate with the external web service.
• D.Surround the external call with a try-catch block to handle the exception.

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A team of many developers work in their own individual orgs that have the same configuration at the production org. Which type of org is best suited for this scenario?

• A.Developer Sandbox
• B.Developer Edition
• C.Full Sandbox
• D.Partner Developer Edition

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Universal Containers wants Opportunities to be locked from editing when reaching the Closed/Won stage.
Which two strategies should a developer use to accomplish this? (Choose two.)

• A.Use a validation rule.
• B.Use the Process Automation Settings.
• C.Use a Trigger.
• D.Use a Visual Workflow.

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Which action can a developer take to reduce the execution time of the following code? List<account> allaccounts = [select id from account]; list<account> allcontacts = [select id, accountid from contact]; for (account a :allaccounts){ for (contact c:allcontacts){ if(c.accountid = a.id){ //do work } } }

• A.Use a map <id,contact> for allaccounts
• B.Add a group by clause to the contact SOQL
• C.Create an apex helper class for the SOQL
• D.Put the account loop inside the contact loop

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