Complete the code to identify the main component responsible for storing messages.
The core component for storing messages in one-to-one messaging is the [1].
The database is the main component that stores messages persistently in a one-to-one messaging system.
Complete the code to specify the component that balances incoming message requests.
To distribute incoming message requests evenly, the system uses a [1].The load balancer distributes incoming requests to multiple servers to ensure no single server is overwhelmed.
Fix the error in the message delivery flow by choosing the correct component that ensures message delivery to the recipient.
After storing the message, the system uses a [1] to deliver the message to the recipient in real-time.
The message broker handles real-time message delivery between sender and recipient efficiently.
Fill both blanks to complete the code describing message storage and retrieval.
Messages are stored in a [1] and retrieved using a [2] to ensure fast access.
Messages are stored permanently in a database and cached for quick retrieval.
Fill all three blanks to complete the code describing the message flow from sender to recipient.
Sender sends message to [1], which stores it in [2] and then [3] delivers it to the recipient.
The load balancer receives the message, the database stores it, and the message broker delivers it to the recipient.
