Elance Exams Answers PDF file

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Download PDF file of elance Zoho Creator Exam Answers
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What is a proper format for calling an asynchronous function?

[NSOperationDispatchAsync dispatch_asyncWithBlock: ^{ // code }];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{ // code });
[dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), // code ];
[dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{ // code })];
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