CompTIA A+ 220-1101 (Core 1) Domain 1: Mobile Devices

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.) A. Microphone B. OLED C. OEM D. Inverter E. Webcam F. Touchscreen digitizer G. Wi-Fi antenna wires

A. Microphone E. Webcam G. Wi-Fi antenna wires

Your older notebook LCD display often goes dim or sometimes blank. Which of the following would be the BEST first step to resolve this issue? A. Replace the CCFL inverter. B. Replace the LCD screen display. C. Tighten down the bezel screws. D. Reconnect the video ribbon.

A. Replace the CCFL inverter.

Allows you to share a phone's internet connection with a laptop. A. Tethering B. Blue Tooth C. NFC D. Hotspot E. Mobile VPN

A. Tethering

A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards is of MOST concern when selecting a replacement that is compatible with the laptop? A. The hard drive's form factor B. The hard drive's minimum voltage requirements C. The hard drive's storage capacity D. The hard drive's read and write speeds

A. The hard drive's form factor

A user wants to use a laptop to display a presentation on a large TV monitor that has an HDMI connection. Which of the following laptop ports or connections can they use to add this display device? (Select two.) A. USB port using a USB-to-HDMI adapter. B. Expresscard connection using a Expresscard Ethernet adapter. C. USB port using a USB-to-RJ45 dongle. D. DisplayPort using a DisplayPort-to-HDMI cable. E. USB port using a USB-to-wireless dongle.

A. USB port using a USB-to-HDMI adapter. D. DisplayPort using a DisplayPort-to-HDMI cable.

You've just purchased an Ethernet adapter for your Android tablet. Which of the following USB connector types would you MOST likely use to plug in to the adapter? A. USB-C connector B. Serial connector C. USB-A connector D. USB-B connector

A. USB-C connector

You have recently been given an older laptop to use for performing basic tasks such as sending emails and editing documents. However, when the display changes from one color to another, you notice that there is some distortion in the image. Which of the following LCD technology types is MOST likely being used for the LCD display? A. Vertical alignment (VA) B. Organic light-emitting diode (OLED) C. In-plane switching (IPS) D. Twisted nematic (TN)

A. Vertical alignment (VA)

You work as the IT administrator for a small news station. Jill, an employee in Building 2, works in the audio-video editing department and would like to increase her productivity. For example, she would like to be able to run multiple programs simultaneously and be able to compare video clips side by side. Which of the following configuration changes would provide the BEST solution for Jill? A. Grant Jill access to a remote workstation. B. Configure Jill's computer with dual monitors. C. Provide Jill with a second computer. D. Configure Jill's computer with a higher resolution.

B. Configure Jill's computer with dual monitors.

Which of the following terms describes the difference between white and black in an LCD monitor? A. Pitch B. Contrast Ratio C. Aspect Ratio D. Brightness E. Resolution

B. Contrast ratio

When a user rotates a mobile device, the operating system changes the screen orientation so that the display remains upright for the user. Which of the following technologies detects this movement on a mobile device? (Select two.) A. Geotracking B. Gyroscope C. Wi-Fi D. Accelerometer E, GPS

B. Gyroscope D. Accelerometer

You are a computer technician. A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should you consider as an alternative to replacing the laptop? A. Replace the system board. B. Replace the internal wireless card. C. Add more memory. D. Replace the hard drive with one with a larger capacity.

B. Replace the internal wireless card

Which of the following connects the internal laptop keyboard to the laptop's system board? A. PS/2 port B. Ribbon cable C. USB connector D. Mini-molex connector

B. Ribbon cable

You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible? A. Firmware B. Standardization C. Componentization D. Plug and play

B. Standardization

A company is considering providing smartphones to their employees and is investigating the interaction of the phones with iCloud, Google Drive, Dropbox, and OneDrive. Which of the following data synchronization methods is the company considering? A. Synchronization connection types B. Synchronization to the cloud C. Mutual authentication for multiple services D. Synchronization to the desktop

B. Synchronization to the cloud

You currently use the Exchange email client on your desktop PC. You use the Exchange email client to connect to an email server, which utilizes the IMAP and SMTP protocols. You recently purchased an iPad, and you want to configure its Mail app to connect to your email server. Which of the following BEST describes whether you can accomplish this task? A. You must use SSL to secure the Mail app. B. You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols. C. You can only connect the Mail app to email services such as Gmail or Yahoo! Mail. D. You cannot use the IMAP protocol for the Mail app. You must use POP3 instead.

B. You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.

You are in charge of putting together the display design for a new conference center at your organization. The conference center will be in a large auditorium with 500 or more seats. Which of the following technologies will provide a large display for such a group and also provide very high resolutions? A. OLED display panel B. LCD projector C. DLP projector D. LCD display panel

C. DLP projector, while more expensive than other projector solutions, provides the best experience for large groups.

Which of the following display technologies require backlighting? (Select two.) A. OLED B. DMD C. LCD D. LED E. Plasma

C. LCD D. LED

Which of the following is a 172-pin DIMM that is often used in laptops? A. DIMM+ B. TinyDIMM C. MicroDIMM D. MacroDIMM

C. MicroDIMM

Which type of interface is typically used for internal wireless networking cards in laptops? A. PCI B. FireWire C. Mini-PCI D. ExpressCard E. USB

C. Mini-PCI

You have recently purchased a new, foldable smart phone. Which of the following types of mobile device display technologies is MOST likely being used for the foldable display? A. IPS B. VA C. OLED D. TN

C. OLED

You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes should you choose for the laptop? A. 1.25" B. 5.25" C. 3.5" D. 2.5"

D. 2.5"

Which of the following components allows a tablet to provide a screen interface that recognizes multiple finger touches at the same time? A. E Ink B. Bluetooth C. OLED display D. Capacitive touchscreen

D. Capacitive touchscreen

Which of the following LCD display technologies is the BEST choice for use on touchscreen displays? A. Twisted nematic (TN) B. Vertical alignment (VA) C. Touch screen digitizer (TSD) D. In-plane switching (IPS

D. In-plane switching (IPS

You are putting together a gaming system and need to make sure that you find a display that meets your needs. The display needs to have a very good response time, and you would prefer that it be affordable and power-efficient. Which of the following display types will MOST likely meet these needs? A. LCD display with IPS panel. B. OLED display with wide-angle viewing. C. Plasma display with no motion blur. D. LCD display with TN panel.

D. LCD display with TN panel. TN panels have very good response times (1 to 5 ms) and refresh rates (60 to 144 Hz), so they are great for PC gaming. They are more affordable and have faster response times than LCDs with IPS panels, use far less power than a plasma display, and are far more affordable than OLED displays.

As an IT technician, you are often asked to work on laptop computers that included internal wireless network cards. Which of the following is the MOST commonly used type of card for these internal wireless adapters? A. ExpressCard/34 B. FireWire C. USB D. Mini-PCI

D. Mini-PCI

A company is purchasing new laptops for their graphic artist division. Which of the following display technologies provides better contrast and deeper blacks, resulting in better picture quality? A. DLP B. Plasma C. LCD D. OLED

D. OLED

You have ordered and are about to replace an LCD screen on a laptop device. You have already placed the laptop on a static mat, attached a static wristband, and unplugged the laptop. What is your next step in replacing the LCD screen? A. Remove the video ribbon. B. Remove the bezel. C. Remove the screen. D. Remove the battery.

D. Remove the battery.

Jamie has been tasked with designing a solution for the paralegals in his office. They need to review old documents that are on paper files and create word processor documents from them that can be searched and cross-referenced. Which of the following devices should Jamie use to create the solution? (Select two.) A. Printer B. Biometric scanner C. Projector D. Scanner E. Digitizer

D. Scanner E. Digitizer

Which of the following help to improve the security of sensitive information on your mobile device if it is lost or stolen? (Select three.) A. Up-to-date OS updates and patches B. Anti-malware software C. Remote backup D. A firewall E. A screen lock F. Remote wipe G. Locator applications

E. A screen lock F. Remote wipe G. Locator applications

Provides mobile devices with access to network resources and software applications on a home network. A. Tethering B. Blue Tooth C. NFC D. Hotspot E. Mobile VPN

E. Mobile VPN