A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices get

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A technician is setting up a WiFi-enabled thermostat for a customer, but the customer is concerned about IoT devices getting hacked.
Which of the following BEST address the customer's concerns? (Choose two.)

A. Use the latest encryption standard on the wireless network and set a strong password.
B. Enable two-factor authentication for the IoT device's cloud account, if it is available.
C. Separate the IoT thermostat by segregating it in a DMZ network.
D. Disable wireless access on the thermostat to make it unshakable.
E. Upgrade the customer's router to the latest version to improve network security.
F. Upgrade the customer's wireless network encryption to WPA.