A developer is working on an integration between Salestorce and an external system. The integration requires sending a large amount of data to the external systern, which can cause long response times and timeouts.
To optimize the performance and avoid timeouts, which technique should be used?

• A.Use a chained batch Apex to split the data into smaller batches.
• B.Implement an asynchronous callout using the Continuation class,
• C.Increase the timeout limit in the callout options,
• D.Use the @future annotation to make the callout asynchronous.

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A developer is writing code that requires making callouts to an external web service.
Which scenario necessitates that the callout be made in an asynchronous method?

• A.The callouts will be made in an Apex trigger.
• B.The callouts will be made using the REST APL.
• C.Over 10 callouts will be made in a single transaction.
• D.The callout could take longer than 60 seconds to complete.

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A developer created the following test method:

The developer org has five accounts where the name starts with "Test". The developer executes this test in the Developer Console.
After the test code runs, which statement is true?

• A.The test will fail.
• B.There will be no accounts where the name starts with "Test".
• C.There will be five accounts where the name starts with "Test".
• D.There will be six accounts where the name starts with "Test".

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A developer needs a Lightning web component to display in one column on phones and two columns on tablets/desktops. Which should the developer add to the code?

• A.Add size="12" medium-device-size="6" to the <lightning-layout-item> elements
• B.Add size="6" small-device-size="12" to the <lightning-layout-item> elements
• C.Add small-device-size="12" to the <lightning-layout-item> elements
• D.Add medium-device-size="6" to the <lightning-layout-item> elements

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What is the best practice to initialize a Vizualforce page in a test class?

• A.Use Test. setCurrentPage (Page. MyTeatPage);
• B.Use Test. currantPage .getParamatars put (MyTaestPaga) ;
• C.Use controller. currentPage. setPage (MyTastfage) ;
• D.Use Test. setCurrentPage MyTestPags;

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