Mobile Devices

Spencer would like to purchase a wearable device that allows him to make phone calls and send text messages.

Which type of wearable device should Spencer purchase?

• Smart watch

• Fitness monitor

• E-reader

• AR headset

Answer explanation

Spencer should purchase a smart watch. A smart watch will enable Spencer to make phone calls and send text messages.

A fitness tracker can measure heart rate, calculate calories burned, and measure steps, but will not enable Scott to make phone calls.

E-readers are devices that hold digital versions of books. Some have other capabilities, such as playing videos and music.

AR headsets allow users to see augmented reality. Augmented reality is the ability to see digital information along with actual items. For example, Spencer might walk into a store and see a pair of shoes he likes; with augmented reality, he could find them online and compare prices just by looking at them.

What smartphone feature allows a user to turn her phone to change from portrait view to landscape view when she is watching a video?

• Accelerometer

• Wi-Fi connection

• Internet browser

• GPS

Answer explanation

The accelerometer measures movement of a smartphone to allow apps to orient the screen for best viewing options

John just bought a used iPad from a friend who had lost the charging cable. John notices that the cable is like the charging cable for his Android smartphone, though it is not quite the same.

What type of cable will John need to purchase to replace the iPad’s charger cable?

• Micro USB

• Lightning

• USB C

• Mini HDMI

Answer explanation

Newer iPhone chargers have USB-C on the chargig end, but they still connect to the device via lightening

Derek is planning a camping trip and wants to be able to listen to music at the campsite. Derek currently has a smartphone but does not like the sound coming from the speakers.

What will help Derek improve the sound coming from his smartphone’s speakers while he is at the campsite?

• Tether to his laptop.

• Connect to a Bluetooth speaker.

• Create a hot spot.

• Use his smartphone speakers; this is the only way Derek can listen to music on his smartphone.

Answer explanation

Derek can connect using a Bluetooth speaker. Most Bluetooth headsets and headphones are common Class 2 devices with a range of 10 meters, or 33 feet.

Dennis is driving a car with his family onboard. His children are sitting on the backseat. They have a tablet and want to watch a video on the Internet.

What can Dennis do that will allow the children to watch a video on the Internet while in the car?

• Tether his phone to the tablet.

• Enable wireless sharing.

• Set the tablet to airplane mode.

• Enable a hotspot on his smartphone.

Answer explanation

Dennis can create a hotspot on his smartphone. The hotspot will establish a wireless network that the tablet can join, which will enable the children to watch the video on the Internet

Benjamin recently issued new mobile phones to the marketing team at his company. Each phone can transmit encrypted information for payments made at a retail checkout counter. The technology also allows the marketing team to share data quickly.

What technology is set up on the marketing team’s phones?

• Bluetooth

• Tethering

• NFC

• Hotspot

Answer explanation

Near field communication (NFC) allows a phone to transmit encrypted information for making payments at checkout counters and to share files. The NFC range is around 10 cm, or around 3 inches

Tracy is in a meeting with an important client and wants to know how she can keep her smartphone from interrupting the meeting. She does not want to receive notifications, emails, text messages, or phone calls, but would like to leave her phone on so that she can take notes on the phone.

What setting can Tracy use on her phone to make sure she is not interrupted during the meeting?

• Silent mode.

• Vibrate mode.

• Airplane mode.

• No setting will prevent interruptions while Tracy is in the meeting.

Answer explanation

Airplane mode turns off all radio signals to the phone. In Airplane mode, Tracy will not receive notifications from email, texts, or phone calls. She will still be able to take notes on her smartphone

Angela recently purchased a new Android smartphone. While purchasing the phone, Angela was told that she would need to set up a new email account for the phone.

Which commercial email provider should Angela use for her new Android phone?

• Gmail

• Yahoo! Mail

• Microsoft Exchange Online

• iCloud

Answer explanation

For an Android phone, Angela must set up a Gmail account. All Android phones require a Gmail account in order to use Google apps on the phone and to update Android devices.

James wants to sync his Android phone to back up his pictures. However, he does not want to sync his data files.

How can James select what to synchronize from his phone to Google storage?

• Sync app

• Device maintenance

• Connections

• Settings app

Answer explanation

In the Settings app, James can navigate to the Google section. There he will navigate to Backups, where he can change what he wants to back up to Google

Henry must choose which type of smart speaker to use in his home. He asked you to help him decide which one will best suit his needs. He wants it to be connected to his Google account.

Which smart speaker would you recommend?

• Echo

• Home

• Cortana

• HomePod

Answer explanation

Home will use Henry’s Google account. Google Home uses “Hey Google” or “OK Google” to trigger different actions. Henry can create actions using IFTTT. IFTTT (If This Then That) will allow Henry to create applets that can be triggered by Google Home or Amazon Echo.

Echo requires an Amazon account. Echo uses Alexa as its wake word to trigger different skills or actions that have been enabled.

Cortana is the assistant for Microsoft Windows. Cortana can be triggered by the words “Hey Cortana.”

HomePod is Apple’s smart speaker. HomePod is a digital assistant and uses the trigger “Siri” similar to the iPhone.