Objective 1.0 Mobile Devices

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You have several Android devices and you need to be sure that they all have access to the same online data and the same applications from the app store. Which online account would achieve this quickly?

Google Account
[A Google account is required to setup an Android mobile device and to use the Google Play app store. By using the same Google account, data can be shared via Google Drive and any paid apps from the store would be available to all devices.]

Which of the following communication technologies does a smartwatch use to communicate with a smartphone?

Bluetooth
[A smartwatch communicates with a smartphone by using a Bluetooth connection. This means that the devices must be within a distance of roughly 30 feet to be able to communicate with each other. This would include any exercise data and notification items such as phone calls, media, and text messages.]

You have been frequenting a local coffee shop with your Android tablet. While you are there, you use the free WiFi connection. With concern over the security of your browsing, you decide to take action. Which technology would address your concern the best?

VPN
[A VPN would be the best solution for private browsing. A private VPN application installed on the device would allow all online activity to be private. As others are using the same network in the coffee shop, it is possible that another user is sniffing activity on the network to steal information.]

On a mobile device, what does enabling airplane mode accomplish?

Disabling data communications
[Airplane mode is used to disable a device's data connections such as Bluetooth, and WiFi. Airplane mode is named after the requirement for passengers to disable all electronics during certain times of an aircraft's flight.]

Which set of protocols are used for smartphone commerce transactions such as Apple Pay?

NFC
[Near Field Communications (NFC) is a set of protocols that enables devices that are within 4 cm (1.6") from each other to communicate. This includes sharing contacts, messages, photos, and e-commerce transactions.]

Which of the following mobile operating systems is open-source?

Android
[Android is an open-source operating system (OS). Being an open-source operating system allows vendors such as Samsung and Motorola to create vendor specific versions for their mobile devices.]

What is the purpose of the International Mobile Equipment Identity (IMEI) number on a mobile phone?

It can uniquely identify the device in the Equipment Identity Register (EIR) database.
[The IMEI number is a unique identifier for mobile phones. For a mobile phone to connect to and be identified by a cellular network, the IMEI number is registered by the service provider in the EIR database.]

What does tethering two mobile devices mean?

Allowing one device to use the other's Internet access
[Tethering refers to one device using another for Internet access. This can be done via a USB cable or by WiFi. As an example, a smartphone can share its cellular connection to the Internet to a tablet by acting as a WiFi hotspot.]

Which solution would you use to support remote wiping of a laptop's hard drive in the event it was stolen?

LoJack
[LoJack is an anti-theft software package that can be installed on a laptop. In the event of theft of the laptop, LoJack can provide GPS tracking, and remote wipe.]

You are looking to purchase a laptop for business use. As the information you will work on is sensitive, you've decided to purchase a laptop with a biometric hardware device built into the palm rest. Which biometric device are you purchasing?

Fingerprint reader
[A fingerprint reader is a common biometric device that is built into many laptops. Located on the palm rest, the reader can be used by swiping a finger to gain access to the operating system or certain applications. When swiping, the fingerprint is matched with a fingerprint saved by the reader during initial setup.]

Which of the following laptop components uses a Thin Film Transistor (TFT)?

Display
[Thin Film Transistor (TFT) is used in laptop displays. TFT uses either Twisted Nematic (TN) or In-Plane Switching (IPS) technology. TN has fast response times, high brightness, less power draw, and more color shift and distortion when viewed at an angle compared to IPS. IPS provides better color reproduction and better viewing angles. Originally, TN offered better contrast and better blacks than IPS, but newer IPS monitors have overcome these limitations.]

You are considering replacing the hard drive in your laptop. You know that the laptop is using a 2.5" drive, but you want to research available drive heights as well. Which of the below is NOT a valid 2.5" hard drive height?

12 mm
[12 mm is not a valid 2.5" hard drive height. There is also a 1.8" hard drive, but it is not widely used. The valid 2.5" hard drive heights are 15 mm, 9.5 mm, 7 mm, and 5 mm.]