nerdexam
Microsoft

AZ-204 · Question #348

A company is implementing a publish-subscribe (Pub/Sub) messaging component by using Azure Service Bus. You are developing the first subscription application. In the Azure portal you see that…

The correct answer is D. subscriptionClient.RegisterMessageHandler(ProcessMessageAsync, messageHandlerOptions). Using topic client, call RegisterMessageHandler which is used to receive messages continuously from the entity. It registers a message handler and begins a new thread to receive messages. This handler is waited on every time a new message is received by the receiver…

Submitted by carter_n· Mar 30, 2026Connect to and consume Azure services and third-party services

Question

A company is implementing a publish-subscribe (Pub/Sub) messaging component by using Azure Service Bus. You are developing the first subscription application. In the Azure portal you see that messages are being sent to the subscription for each topic. You create and initialize a subscription client object by supplying the correct details, but the subscription application is still not consuming the messages. You need to ensure that the subscription client processes all messages. Which code segment should you use?

Options

  • Aawait subscriptionClient.AddRuleAsync(new RuleDescription(RuleDescription.DefaultRuleName,
  • BsubscriptionClient = new SubscriptionClient(ServiceBusConnectionString, TopicName,
  • Cawait subscriptionClient.CloseAsync();
  • DsubscriptionClient.RegisterMessageHandler(ProcessMessageAsync, messageHandlerOptions);

How the community answered

(54 responses)
  • A
    2% (1)
  • B
    7% (4)
  • C
    11% (6)
  • D
    80% (43)

Explanation

Using topic client, call RegisterMessageHandler which is used to receive messages continuously from the entity. It registers a message handler and begins a new thread to receive messages. This handler is waited on every time a new message is received by the receiver. subscriptionClient.RegisterMessageHandler(ReceiveMessagesAsync, messageHandlerOptions);

Topics

#Service Bus#subscription client#message handler#pub-sub

Community Discussion

No community discussion yet for this question.

Sign up to join the discussion
Full AZ-204 Practice