PDII Question #59: Real Exam Question with Answer & Explanation

A company requires an external system to be notified whenever an account is updated. trigger AccountTrigger on Account (after update){ for (Account updatedAccount:Trigger.new) { AccountTriggerHelper.notinyxternalSystem(updatedAccount.id); } } public class AccountTriggerHelperfuture(callout=true) { public static void notinyxternalSystem(Id accountId){ Account acc = [Select id, name from Account where accountId = :accountId]; http objectHttp h = new Http(); HttpRequest req = new HttpRequest(); req.setBody(JSON.serialize(acc)); HttpResponse res = h.send(req); } } What LimitException could the following code trigger?