IoT Architecture and Security Controls NDE Practice Questions (Page 10)

Questions 46–50

1. 46foundation · easy

   Which of the following is a common security challenge in IoT devices due to their limited processing power and memory?

   • ALack of standardization
   • BCloud dependency
   • CResource constraints
   • DHeterogeneity
   Reveal Solution Discussion Select an answer first
2. 47application · medium

   A smart building system stores historical occupancy data in a cloud database. The data is used for analytics but must be protected against unauthorized access. Which combination of controls provides the strongest data protection?

   • AEncrypt the database at rest and use TLS for all data transfers.
   • BAnonymize all data before storage and skip encryption.
   • CStore data in a private cloud with no encryption.
   • DUse strong passwords for the database admin account only.
   Reveal Solution Discussion Select an answer first
4. 48application · medium

   A startup is developing a smart thermostat that uses a common microcontroller with limited RAM and flash storage. The team wants to implement security controls but is concerned about performance. Which control is most likely to be impractical due to the device's resource constraints?

   • AUsing a lightweight authentication protocol like pre-shared keys.
   • BImplementing secure boot with a simple signature check.
   • CImplementing full disk encryption on the device's flash storage.
   • DDisabling unnecessary services and ports.
   Reveal Solution Discussion Select an answer first
5. 49foundation · easy

   Which IoT architecture layer is primarily responsible for routing and forwarding data between devices and the cloud?

   • AApplication layer
   • BNetwork layer
   • CEdge layer
   • DPerception layer
   Reveal Solution Discussion Select an answer first
6. 50application · medium

   A company deploys hundreds of IP cameras in its warehouses. The cameras run a stripped-down Linux OS with a web interface. The security team wants to harden the devices before connecting them to the corporate network. Which hardening measure should be applied first?

   • AConnect the cameras to a separate VLAN with strict firewall rules.
   • BInstall the latest firmware from the vendor.
   • CDisable the web interface on all cameras.
   • DChange the default administrator password on every camera.
   Reveal Solution Discussion Select an answer first