Understand Common IoT Security and Privacy Countermeasures. ITP-110 Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Why is it important to digitally sign firmware updates?

   • ATo encrypt the update so only the device can read it
   • BTo compress the update for faster download
   • CTo make the update compatible with all devices
   • DTo ensure the update is authentic and has not been tampered with
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   In the AAA framework, which component determines what an authenticated user is allowed to do?

   • AAuthorization
   • BAuthentication
   • CAvailability
   • DAccounting
   Reveal Solution Discussion Select an answer first
4. 18foundation · easy

   Which countermeasure is specifically designed to mitigate the impact of a DDoS attack on an IoT service?

   • AInput validation
   • BData encryption
   • CRate limiting
   • DDigital signatures
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A smart-city project collects location data from public transit riders to optimize bus routes. The city wants to share this data with researchers while protecting individual riders' privacy. The researchers need to analyze general travel patterns but do not need to identify specific riders. Which data handling approach best balances privacy and utility?

   • ADelete all location data and share only the total number of riders per route.
   • BEncrypt the data and share the decryption key with the researchers.
   • CShare the raw data with researchers under a strict non-disclosure agreement.
   • DAnonymize the data by removing direct identifiers and applying generalization, such as rounding locations to a neighborhood level.
   Reveal Solution Discussion Select an answer first
6. 20foundation · easy

   Why is applying security patches important for IoT OS hardening?

   • APatches add new features automatically.
   • BPatches fix known vulnerabilities that could be exploited.
   • CPatches make the device run faster.
   • DPatches remove all user data.
   Reveal Solution Discussion Select an answer first