Huawei H14-231_V1.0

A developer uses HarmonyOS to write half of an email on his mobile phone and click the transfer button to the tablet to continue editing the email. 

In order to complete the release of the application, an engineer needs to apply for a digital certificate, which of the following options is correct about the description of the digital certificate?

When using DevEco Studio for debugging, you need to check the properties in configjson regardless of whether you use a real machine or an emulator. 

The application package name cannot contain some reserved fields, which of the following fields meets the specification?

In order to put a series of related download tasks into a task group, a developer uses the following code: String dispatcherName = "parallelTaskDispatcher"; TaskDispatcher dispatcher = createParallelTaskDispatcher(dispatcherName,TaskPriority.DEFAULT); Group group =dispatcher.createDispatchGroup(); dispatcher.asyncGroupDispatch(group,new Runnable(){ @Override public void run(){ HiLog.info(LABEL_LOG,"download taskl is running "); } }); dispatcher.groupDispatchlotify(group,new Runnable(){ @0verride public void run(){ HiLog.info(LABEL_L0G,"the close task2 is running"); } }); dispatcher.groupDispatchlotify(group,new Runnable(){ @Override public void run(){ HiLog.info(LABEL_L0G, "the close task is running after all tasks in the group are completed"); } }); If the developer runs this code, which of the following results might occur?