ITN107: Chapter 9 Supporting Mobile Devices

While visiting a coffee shop, you see a poster advertising a concert for a music group you'd love to see. You notice there's an NFC tag at the bottom with additional information about the concert. Which of the following devices would likely be able to read the NFC tag?

• GPS

• Smartphone

• E-reader

• VR headset

You work for a company that provides dozens of the same smartphone model for its employees. While troubleshooting one smartphone that won't connect to the cellular network, you call the provider's tech support number for some assistance. The technician asks for the device's IMEI. What is she trying to determine?

• The OS version on the phone

• The specific device you're calling about

• The SIM card installed in the device

• The IP address of the phone on the cellular provider's data network

You're at the store to buy a car charger for your dad's iPhone. There are several options with many different types of connectors. Which of these connectors should you choose?

• USB-C

• microUSB

• Lightning

• VGA

Your company has recently been hired to install a smart security system for a large office building. The system will include security cameras, voice-controlled lights, smart locks, and smart thermostats. Some of the security cameras will be installed outdoors throughout the parking lot. Which wireless IoT protocol should your company use for the installation?

• Wi-Fi because it is always encrypted

• Zigbee because it is always encrypted

• Z-Wave because it is the fastest wireless standard

• Bluetooth because it is easiest to configure

An app that cost you $4.99 is missing from your Android. What is the best way to restore the missing app?

• Go to backup storage and perform a restore to recover the lost app.

• Purchase the app again.

• Go to the Play Store where you bought the app and install it again.

• Go to the Settings app and perform an application restore.

Suppose you and your friend want to exchange lecture notes taken during class. She has an iPhone and you have an iPad. What is the easiest way to do the exchange?

• Copy the files to an SD card and move the SD card to each device.

• Drop the files in OneDrive and share notebooks with each other.

• Send a text to each other with the files attached.

• Transfer the files through an AirDrop connection.

You want a method of authentication for company-owned mobile devices in which users are required to use two-step authentication.

Which of the following will best assist you in meeting this requirement?

• Locator applications

• Authenticator apps

• Untrusted sources

• Failed login attempts

Which of the following symptoms is most likely related to leaked personal files/data on a mobile device?

• Data transmission over limit

• Frozen system

• Dim display

• Touch screen nonresponsive