Domain 1: Mobile Devices --67 Question review
Drag the wireless networking technology on the left to its associated transmission distance limitation on the right. Each technology may be used more than once. Drag Infrared Bluetooth Drop 1.Up to 100 meters for Class 1 devices. 2.Up to 30 meters in areas without interference. 3.Up to 10 meters for Class 2 devices.
1.Bluetooth 2.Infrared 3.Bluetooth
Which feature makes it possible to close some notebook computers and still use the touchscreen? a.180 degree rotating touchscreen b.External touchscreen c.Removable touchscreen d.Dual display
a.180 degree rotating touchscreen
When a user rotates a mobile device, the operating system changes the screen orientation so that the display remains upright to the user. Which of the following technologies is uses to detect this device movement? (Select TWO). a.Accelerometer b.GPS c.Wi-Fi d.Geotracking e.Gyroscope
a.Accelerometer e.Gyroscope
A technician is assisting Ann, who reports that the display on her company-issued smartphone is too dim to read in a dark room, even after she adjusts the brightness setting. Which of the following actions should the technician perform FIRST? (Choose TWO). a.Adjust the adaptive or automatic brightness control. b.Replace the display. c.Adjust the battery saver setting. d.Close all running apps. e.Replace the battery.
a.Adjust the adaptive or automatic brightness control. c.Adjust the battery saver setting.
Six months ago, you purchased a new laptop. Since then, you have noticed that the battery life has steadily gone down. When it was new, a full charge lasted about three hours. Now you are lucky to get two hours of life before the battery charge level drops below 5 percent. When trying to correct this issue, which of the following is the BEST first step ? a.Calibrate the battery. b.Clean the contacts on the battery. c.Buy a new battery. d.Replace the power meter chip on the battery.
a.Calibrate the battery.
Which of the following input devices uses a stylus? a.Digitizer b.Touchpad c.Touch screen d.Trackpoint
a.Digitizer
Which of the following is a 172-pin DIMM often used in laptops? a.MicroDIMM b.DIMM+ c.MacroDIMM d.TinyDIMM
a.MicroDIMM
A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside, it works sporadically. Which of the following would BEST resolve this issue? (Select TWO). a.Move the printer closer to the computer. b.Install Ferrite shielding on both the PC and printer power cords. c.Install a Gamma Ray Spectrometer (GRS) to shield the interface. d.Set the environment setting to outdoor mode in the BIOS. e.Block direct and reflected sunlight from the pathway between the PC and the printer.
a.Move the printer closer to the computer. e.Block direct and reflected sunlight from the pathway between the PC and the printer.
A user pays for a retail purchase by placing a smart phone next to the merchant's reader. Which of the following mobile device connections is being used? a.NFC b.Lightning c.Bluetooth d.MicroUSB
a.NFC
While using the touchpad on a laptop computer, you notice that the mouse is not responding very well, making it difficult to move the mouse around the screen. Which of the following actions would MOST likely fix this problem? a.Recalibrate the touchpad. b.Use a stylus on the touchpad. c.Clean your fingers and try again. d.Replace the touchpad.
a.Recalibrate the touchpad.
Additional funds have been allocated to the sales department, and they have asked you to upgrade the memory modules in each employee's notebook computer. Which of the following are the MOST common methods used to access these memory slots? (Select TWO). a.Remove the keyboard. b.Remove the LCD panel. c.Open a panel on the bottom of the notebook. d.Remove the bezel. e.Remove a side panel and pull out the tray holding the memory.
a.Remove the keyboard. c.Open a panel on the bottom of the notebook.
A company is considering providing smartphones to their employees and is investigating the interaction of the phones with iTunes, iCloud, Google Drive, Dropbox, and OneDrive. Which of the following data synchronization methods is being considered? a.Synchronization to the cloud b.Synchronization connection types c.Mutual authentication for multiple services d.Synchronization to the desktop
a.Synchronization to the cloud
Which of the following is not an example of wireless networking communications? a.802.11n b.DSL c.Infrared d.Bluetooth
b.DSL
Which of the following is true of modern LCD monitors regarding backlighting? a.LCD monitors have small cells containing electrically-charged ionized gas that don't need backlighting. b.LEDs are used to backlight the screen. c.Cold cathode florescent (CCFL) are used for backlighting. d.Red, green, and blue light provide the least expensive type of backlighting technology.
b.LEDs are used to backlight the screen.
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.Plasma b.OLED c.LCD d.DLP
b.OLED
Which of the following is considered an input device? a.Monitor b.Touchscreen c.Hard disk d.RAM
b.Touchscreen
A technician is tasked with configuring a mobile device to connect securely to the company network when the device is used at off-site locations where only internet connectivity is available. Which of the following should the technician configure? a.Bluetooth b.VPN c.IMAP d.Hotspot
b.VPN
Drivers for a small trucking company rely on a smartphone navigation application. When the smartphone loses internet connectivity, the maps don't update properly. Also, the company pays extra for a premium data service plan to support the application. Which of the following mobile devices could replace the smartphone navigation application, could provide map coverage when internet connectivity is lost, and does not require a data plan? a.A GPS-enabled tablet b.Wearable smart glasses c.A GPS-enabled personal navigation device d.A GPS-enabled phablet
c.A GPS-enabled personal navigation device
Which feature allows a tablet to recognize multiple finger touches at the same time? a.Gyroscope b.Resistive touchscreen c.Multi-touch d.Accelerometer
c.Multi-touch
Which of the following wireless communication technologies can be described as follows? *Has a very limited transmission range of less than two inches *Used with credit cards and passports *Slower than other wireless technologies *Constantly emits a signal a.Bluetooth b.Infrared in diffuse mode c.NFC d.Infrared in line-of-sight mode e.IEEE 1394
c.NFC
Lloyd works for a graphic design company. He needs a monitor that accurately represents colors. Lloyd's monitor recently failed, and you have been asked to purchase a new one. You have been asked to find a monitor with a fast pixel refresh rate, low energy consumption, and very accurate colors representation. Which of the following types of display devices will BEST meet the requirements requested? a.CRT b.Plasma c.OLED d.LCD
c.OLED
A technician is tasked with repairing a laptop keyboard with sticking keys. Which of the following actions should the technician perform before replacing the keyboard? a.Disable the Sticky Keys keyboard setting. b.Enable the Bounce Keys setting to ignore repeated keystrokes. c.Repeatedly drop a small rubber ball on each sticky key. d.Spray compressed air between the keys.
d.Spray compressed air between the keys.
The integrated mouse, the small monitor, and the compact nature of the keyboard are impeding your work when you use your notebook, but you still need a system that is portable if necessary. You currently own a spare USB mouse and keyboard, as well as a nice monitor. Which option will give you the portability you need while at the same time save money and not impede your work? a.Buy the biggest notebook possible so you don't feel so confined. b.Connect an external keyboard, mouse, and monitor when necessary. c.Buy a small, lightweight desktop computer. d.Switch to a tablet device. e.Buy a docking station for your notebook.
e.Buy a docking station for your notebook.
Drag the connection type on the left to the appropriate description on the right. Drag Hotspot Tethering Bluetooth NFC Mobile VPN Drop 1.A physical location where you can obtain wireless internet access using a WLAN. 2.A connector used to emulate cryptographic smart card functionalities. 3.Provides mobile devices with access to network resources and software applications on their home network when they connect using other wireless or wired networks. 4.Allows you to share the internet connection of a phone with a laptop. 5.A wireless technology standard for exchanging data over short distances.
1.Hotspot 2.NFC 3.Mobile VPN 4.Tethering 5.Bluetooth
Vera has brought her notebook computer to you for repair. After listening to her describe its symptoms, you hypothesize that the notebook may have a malfunctioning keyboard. Which of the following steps can you take to BEST determine whether the keyboard needs to be replaced? (Select TWO). a.Check for special keyboard features that could be enabled that may cause some keys to perform alternate tasks. b.Recalibrate the keyboard's pressure sensors. c.Connect an external keyboard. d.Check for cracks in the power bundles that go from the keyboard to the motherboard. e.Use Device Manager to make sure the correct keyboard driver is installed and up to date.
a.Check for special keyboard features that could be enabled that may cause some keys to perform alternate tasks. c.Connect an external keyboard.
You have a notebook computer with a built-in wireless network card. One day, it stops working. Because the network card is integrated onto the motherboard, you do not want to replace the entire motherboard. What can you use to connect to the wireless network? (Select TWO.) a.Insert a wireless USB network card. b.Install a PCI wireless network card. c.Insert an ExpressCard wireless network card. d.Enable the infrared port on the notebook. e.Enable the Bluetooth adapter on the notebook.
a.Insert a wireless USB network card. c.Insert an ExpressCard wireless network card.
You are putting together a system for a graphic artist and need to make sure you get a display that meets her needs. The display needs to have very good color reproduction quality and viewing angles. The display needs to run cool and be power-efficient. Which of the following types of displays will MOST likely meet these needs? a.LCD display with IPS panel b.OLED display with wide-angle viewing c.LCD display with TN panel d.Plasma display with no motion blur
a.LCD display with IPS panel
A user reports that an older laptop is having trouble connecting with newer wireless networks. Which of the following actions should a technician consider as an alternative to replacing the laptop? a.Replace the internal wireless card. b.Add more memory. c.Replace the system board. d.Replace the hard drive with one with a larger capacity.
a.Replace the internal wireless card.
A technician is tasked to add a valid certificate to a mobile device so that encrypted emails can be opened. Which of the following email protocols is being used? a.S/MIME b.IMEI c.IMAP d.POP3
a.S/MIME
Which of the following protocols can be enabled so email is encrypted on a mobile device? a.SSL b.POP3 c.SMTP d.IMAP
a.SSL
A user calls the help desk stating that the touchpad on a laptop does not work. Which of the following actions would BEST help the technician diagnose the problem? a.Toggle the touchpad function key. b.Attach an external keyboard. c.Disable the touchscreen. d.Attach an external mouse.
a.Toggle the touchpad function key.
A user in the sales department cannot get his laptop to display through a projector. He sees the screen output on the built-in display, but the video is not being seen on the projector. Which of the following steps would be BEST to try first? a.Use the Fn key to redirect display to the external video port. b.Add video RAM. c.Check the backlight setting. d.Replace the video card. e.Replace the display.
a.Use the Fn key to redirect display to the external video port.
A user opens a help desk ticket to replace a laptop keyboard. The user reports that the cursor randomly moves when typing using the laptop keyboard, causing the user to make frequent typing corrections. The problem does not occur when the laptop is attached to a docking station and an external keyboard is used. You want to find a more affordable solution than replacing the keyboard. Which of the following actions would mitigate the problem? a.Use the special function key to disable the touchpad when the laptop keyboard is used. b.Increase the screen resolution so that mouse movements are more granular. c.Lower the screen resolution so that mouse movements are less granular. d.Decrease the operating system's mouse speed setting.
a.Use the special function key to disable the touchpad when the laptop keyboard is used.
The human resources department wants to give gifts away at the company's summer party. They would like to have an assortment of fitness tracker wristbands, smartwatches, smart glasses, and virtual reality headsets. They have been trying to locate these on the internet, but have been unsuccessful. Which of the following types of mobile devices should you tell them to search for? a.Wearable devices b.e-Readers c.Smart phones d.Phablets e.Tablets
a.Wearable devices
You just purchased an iPad tablet device. You want to synchronize your photos, music, email, and contacts from your Windows 10 PC to the device. How can you connect the device to the PC? (Select TWO. Each option is a complete solution.) a.Wi-Fi wireless connection b.Serial cable c.USB cable d.Firewire cable e.Ethernet wired connection
a.Wi-Fi wireless connection c.USB cable
You currently use the Exchange email client on your desktop PC. You use it to connect to an email server provided by a service provider using 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 this task can be accomplished? a.You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols. b.The Mail app doesn't support the IMAP protocol. You must use POP3 instead. c.The Mail app requires IMAP and SMTP traffic be secured using SSL. d.The Mail app can only connect to email services such as Gmail or Yahoo! Mail.
a.You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.
Portable devices have a software-controlled switch that disables all wireless functionality. What is the name of this software-controlled switch?
airplane mode
A sales person typically carries a laptop computer to several off-site customer meetings each day, but needs the flexibility to quickly attach other peripherals and charge the laptop battery while at their office desk. Which of the following laptop feature would BEST meet these requirements? a.A USB 3.0 hub b.A laptop docking station c.A keyboard-video-mouse (KVM) switch d,A USB-to-RJ45 dongle
b.A laptop docking station
You are currently managing a few Apple iPad devices that run the iOS operating system. Which of the following BEST describes the architecture used by this device? a.x86-64 b.ARM c.x86 d.Intel64
b.ARM
A technician is tasked with increasing the RAM memory on a laptop by adding a SODIMM module to an empty memory slot. Which of the following processes will seat the module in the slot? a.Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 90-degree angle to the motherboard and press down until the side hold-down clips snap into place. b.Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place. c.Slide the memory into the external Expresscard slot horizontally until the card is even with the laptop case and you hear a click. d.Add the mounting pegs to the side of the memory module. Attach the ribbon cable and press into place until the mounting clips catch the mounting pegs.
b.Align the notch on the long side of the memory module with the rise in the memory slot. Insert the module pins into the slot at a 45-degree angle. Rotate the module by pressing down until the side hold-down clips snap into place.
A technician is tasked with replacing a Wi-Fi antenna in a laptop computer. Which of the following places would the antenna MOST likely to be located? a.Next to the laptop battery b.Around the laptop's bezel c.Near the memory expansion slots d.Under the laptop keyboard
b.Around the laptop's bezel
Which component lets you use a notebook system as a desktop system by making it possible to connect a normal-sized external mouse, keyboard monitor, and speakers? a.Firewire ports b.Docking station c.Built-in Bluetooth d.Infrared wireless e.USB ports
b.Docking station
You need to replace the video card in a laptop. What is the first step? a.Remove the display wires if the video card is integrated into the motherboard. b.Find a service manual with correct disassembly procedures. c.Remove the bezel. d.Remove the access panel at the bottom of the laptop. e.Remove the keyboard.
b.Find a service manual with correct disassembly procedures.
You recently upgraded the processor in your laptop computer to a faster processor. The computer runs, but after you use it for several minutes, it shuts down unexpectedly. Which of the following steps would you MOST likely perform first to troubleshoot this issue? a.Charge the battery and then run the laptop from the battery. b.Make sure the case fans are plugged in. c.Use a multimeter to test the inverter. d.Test the memory for errors.
b.Make sure the case fans are plugged in.
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.Mini-PCI c.Firewire d.USB
b.Mini-PCI
You have recently issued new mobile phones to the sales team in your company. Each phone has the ability to store and transmit encrypted information for such things as making payments at a checkout counter. Which of the following technologies is being used in these phones? a.VPN b.NFC chips c.Infrared transmitters d.Bluetooth transmitters
b.NFC chips
You're troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD screen suddenly became dark and difficult to read while he was downloading a large file through his wireless network card while the system was plugged in at his desk. You've checked the system and determined that the backlight has stopped working. Which of the following is the MOST likely cause? (Select TWO). a.The extended download placed high demands on the system DC power, causing the BIOS to shut off the backlight. b.The cold cathode fluorescent lamp has burned out and needs to be replaced. c.The wireless network card is emitting radio signals that interfere with the backlight, causing it to stop functioning. d.Malware was installed as part of the download that targeted the backlight circuitry. e.The inverter in the LCD assembly has malfunctioned.
b.The cold cathode fluorescent lamp has burned out and needs to be replaced. e.The inverter in the LCD assembly has malfunctioned.
When a presenter at a conference connects a laptop to a projector, the projector mirrors the laptop's display. The presenter would like it to extend the laptop's desktop instead. Which of the following options is the QUICKEST way to make the change? a.Disconnect and reconnect the laptop to the projector. b.Toggle the dual display function key on the laptop. c.Select the proper video source from the projector's settings menu. d.Change the dual display settings in the operating system's control panel.
b.Toggle the dual display function key on the laptop.
After replacing a laptop touchpad, a technician finds that the touchpad does not move the cursor. However, the attached USB mouse does. Before opening the laptop case to re-check the connection, which of the following actions should the technician perform? a.Perform a minimal boot of the operating system so that device drivers are not loaded. b.Unplug the USB mouse and re-check touchpad movements. c.Toggle the scroll lock key on the keyboard. d.Increase the operating system's mouse speed setting.
b.Unplug the USB mouse and re-check touchpad movements.
After arriving in a new city today, a traveling sales team member calls you stating that his wireless connection no longer works. He has checked the wireless configuration, and he knows it to be correct because it was working yesterday. What should you do first? a.Have him purchase a USB wireless card to use until you can check the problem yourself. b.Have him manually configure the wireless card to use only 802.11b. c.Have him verify that the wireless card's hardware switch is in the On position. d.Have him update the drivers for the wireless card.
c.Have him verify that the wireless card's hardware switch is in the On position.
While traveling in a car, a user who has an unlimited data plan on a smartphone opens a wireless connection to share the internet with other passengers. Which of the following connection types is MOST likely being used? a.MicroUSB b.Lightning c.Hotspot d.NFC
c.Hotspot
Which of the following battery types offers the greatest storage capacity in the smallest amount of space? a.Nickel metal hydride (NiMH) b.Carbon c.Lithium ion (LIB) d.Nickel cadmium (NiCad)
c.Lithium ion (LIB)
Which type of interface is typically used for internal wireless networking cards in laptops? a.PCI b.Firewire c.Mini-PCI d.USB e.ExpressCard
c.Mini-PCI
Which of the following is an extra button or knob on a laptop keyboard that moves the mouse cursor? a.Digitizer b.Touch pad c.Pointing stick d.ExpressCard
c.Pointing stick
A user needs to use her laptop to give a presentation using a video projector. She called asking you how to switch the display to the external monitor port on her laptop. What should you tell her? a.This can't be done. A special adapter must be installed in a USB slot on the laptop. b.The laptop should have automatically detected the external display and redirected video output to it. c.Press and hold the Fn key; then press the monitor function key (image of a monitor on it). d.Increase the screen brightness until the display appears on the video projector.
c.Press and hold the Fn key; then press the monitor function key (image of a monitor on it).
You recently replaced a malfunctioning video card on your laptop. After you reassemble the laptop, everything works well except for the wireless network connection. The wireless adapter functioned correctly before you replaced the video card. Which action would most likely resolve this problem? a.Replace the wireless network card. b.Use a wireless network adapter that plugs into a USB port. c.Reconnect the antenna connections. d.Reconnect the laptop battery.
c.Reconnect the antenna connections.
Sound isn't coming from the internal speaker on a tablet device, even after a user checks its volume settings and makes sure it not muted. Which of the following is MOST likely reason? a.Multiple apps are sending audio to the speakers. b.The tablet is set to airplane mode. c.The audio output is being directed to a Bluetooth speaker. d.The battery needs to be charged.
c.The audio output is being directed to a Bluetooth speaker.
A technician is tasked with replacing an internal laptop hard drive. Which of the following hard drive standards would be of MOST concern when selecting a replacement? a.The hard drive's read and write speeds b.The hard drive's storage capacity c.The hard drive's form factor d.The hard drive's minimum voltage requirements
c.The hard drive's form factor
You need to replace the hard disk in your laptop computer. Which of the following hard drive sizes would you likely choose for the laptop? a.1.25" b.5.25" c.3.5" d.2.5"
d.2.5"
A manufacturing company has customized a computer application that supervisors will use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. Which of the following laptop features would BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk? a.A laptop docking station b.Special function keys c.A touchscreen display d.A rotating or removable screen
d.A rotating or removable screen
A user has purchased an external speaker to play music from a mobile device over a wireless connection. Which of the following actions is MOST likely needed for speaker connectivity. a.Configure tethering b.Disable airplane mode c.Create hotspot d.Enable pairing
d.Enable pairing
Which component within a tablet device, senses rotation to measures acceleration horizontally and vertically at the same time? a.Accelerometer b.Attitude indicator c.G-Sensor d.Gyroscope
d.Gyroscope
You are putting together a gaming system and need to make sure you get 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 types of displays will MOST likely meet these needs? a.Plasma display with no motion blur b.LCD display with IPS panel c.OLED display with wide-angle viewing d.LCD display with TN panel
d.LCD display with TN panel
You have subscribed to a cloud-based service to synchronize data between your mobile device and your PC. Before allowing the data to be synchronized, this service uses a process where the cloud service and the client on the mobile device verify each other's security certificates. What is this process called? a.Tethering b.Virtual private network c.Hotspot connection d.Mutual authentication
d.Mutual authentication
Which of the following battery types has the greatest need to be completely drained before being recharged? a.Lithium ion (LIB) b.Carbon c.Nickel metal hydride (NiMH) d.Nickel cadmium (NiCad)
d.Nickel cadmium (NiCad)
You're troubleshooting a notebook system that uses a digitizer pad and stylus for user input. The user has complained that the digitizer pad registers stylus registers taps about one inch to the right of where the taps actually occur. Which of the following actions would MOST likely fix this issue? a.Hold the stylus at an increased angle. b.Replace the digitizer pad. c.Remove any scratches from the digitizer pad. d.Recalibrate the digitizer pad. e.Replace the stylus.
d.Recalibrate the digitizer pad.
One of your users has called to complain about her notebook computer. She reports that it displayed a message indicating that the battery was low and then it shut down by itself even though it was plugged into a wall outlet. Which of the following would you MOST likely want to check first? a.Verify that the battery will accept a charge. b.Verify that the power management settings in Windows are configured properly. c.Verify that the power management settings in the BIOS are configured properly. d.Verify that the AC adapter LED light is lit when plugged into the wall outlet.
d.Verify that the AC adapter LED light is lit when plugged into the wall outlet.
