A Developer Is Creating an Event Handling System

question 328

Multiple Choice

A developer is creating an event handling system. To handle messages asynchronously, the developer created a standard Amazon SQS queue. Quality assurance testing reveals that some events were processed multiple times. What is the recommended way to ensure the events are not processed more than once?

• A) Change long polling to short polling.
• B) Use a FIFO queue and configure deduplication.
• C) Convert the standard SQS queue into a FIFO queue.
• D) Send the messages with message timers.

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Definitions:

Software And Hardware

Refers to the two main components of computing: software (intangible programs and data) and hardware (physical, tangible parts of a computer).

Covalent Bond

Chemical bond in which atoms share one pair of electrons.

Ionic Compounds

Chemical compounds composed of ions held together by electrostatic forces termed ionic bonding, typically formed between metals and non-metals.

Transfer of Electrons

A fundamental process in chemistry where electrons move from one atom, ion, or molecule to another, driving various chemical reactions and energy production.