Common AI Technologies in Daily Life AIE Practice Questions (Page 11)

Questions 51–55

1. 51application · medium

   A homeowner installs a smart thermostat that learns the family's schedule and adjusts temperature automatically. The thermostat also connects to a voice assistant for manual adjustments. Which two AI capabilities are most directly involved in this system?

   • AMachine learning to learn occupancy patterns and natural language processing to understand voice commands
   • BCollaborative filtering to recommend temperature settings and content-based filtering to personalize music playlists
   • CComputer vision to detect family members and neural machine translation to convert voice to text
   • DReinforcement learning to optimize energy bills and spam filtering to block unwanted network traffic
   Reveal Solution Discussion Select an answer first
2. 52application · medium

   An e-commerce platform wants to improve its product recommendation engine. The goal is to suggest items based on both the user's own past purchases and the purchasing patterns of similar users. Which approach best achieves this goal?

   • AUse collaborative filtering to find users with similar purchase histories and content-based filtering to match items to the user's past preferences
   • BUse only content-based filtering to recommend items based on the user's demographic profile
   • CUse natural language processing to analyze product reviews and then rank items by sentiment score
   • DUse only collaborative filtering to recommend items that the user has previously viewed
   Reveal Solution Discussion Select an answer first
4. 53application · medium

   A social media platform wants to increase user engagement by showing posts that users are likely to interact with. The system also needs to filter out spam and harmful content. Which combination of AI techniques is most appropriate?

   • ANeural machine translation to translate posts and collaborative filtering to recommend friends
   • BMachine learning models that rank content based on predicted engagement and content moderation models that classify posts as spam or harmful
   • CReinforcement learning to maximize ad revenue and content-based filtering to suggest similar posts
   • DComputer vision to detect objects in images and speech recognition to transcribe audio posts
   Reveal Solution Discussion Select an answer first
5. 54foundation · easy

   How do banks use AI to detect fraudulent transactions?

   • ABy randomly reviewing transactions
   • BBy analyzing transaction patterns to identify unusual behavior
   • CBy requiring manual approval for every transaction
   • DBy blocking all transactions above a fixed amount
   Reveal Solution Discussion Select an answer first
6. 55foundation · easy

   Which AI feature is commonly found in smart security cameras?

   • AAdjusting room lighting
   • BRecognizing familiar people and alerting to unknown faces
   • CVacuuming floors
   • DPlaying music on demand
   Reveal Solution Discussion Select an answer first