When Trying to Subscribe to an MQTT Broker on the Internet

question 3

Multiple Choice

When trying to subscribe to an MQTT broker on the internet, the MQTT client is on a private subnet and must be NATed to reach the public broker. What is the expected outcome when this configuration is in place?

• A) The client periodically reconnects to the default gateway.
• B) The client connects only once using the PENDING message to the broker.
• C) The client periodically reconnects to the broker over the NAT connection.
• D) The client connects only once using the CONNECT massage to the broker.

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Definitions:

Trade Pact

is an agreement between two or more nations regarding the conditions of trade between them, often aiming to reduce barriers and increase trade.

Mexico

A country located in the southern part of North America, known for its rich cultural heritage, diverse landscapes, and as the 11th most populous country in the world.

Japan

An island country located in East Asia, known for its rich cultural heritage, advanced technology, and strong economy.

European Union

is a political and economic union of 27 European countries that are bound together by various treaties aimed at enhancing economic cooperation, free movement, and common external policies.