Ch. 9
What is the file extension of the file that Apple uses to export contacts from iCloud.com?
.vcf
What is the fifth-generation cellular wireless Internet connection standard that currently has an average speed of 150 Mbps and is expected to peak at 10 Gbps?
5G
A manufacturing company has customized a computer application that supervisors 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 will 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 rotating or removable screen
What technology is used by Microsoft Exchange servers to comply with MDM policies to sync email, calendars, contacts, and other types of data between the server and a mobile device?
ActiveSync
What is an Apple wireless standard that uses both Bluetooth and Wi-Fi to provide near-field (within 30 feet) data transfers between iPhones, iPads, Macs, and other Apple devices?
AirDrop
Brooklyn reports that a company smartphone neither sends nor receives calls and has lost WiFi connectivity upon returning from a business trip. The computer support technician finds that all applications on the device are working unless they require an Internet connection. What is most likely the issue? Forgotten hotspot Tethering conflict Airplane mode VPN misconfiguration
Airplane mode
What mobile operating system is based on Linux and is used on over 70% of smartphones and tablets in the world today?
Android OS by Google
Your new car comes with a media system that can sync with your iPhone. You're concerned about data usage on your cell phone, so before you go pick up your car, you decide to download the necessary app at home while you're connected to Wi-Fi. What app do you need to download?
Apple CarPlay
To download apps, games, music, and e-books from the iOS App Store, you must have a valid ________.
Apple ID
Some corporations and schools might have a policy for you to ________. Which means an employee or student is allowed to connect his or her own device to the corporate network.
BYOD
What types of authentication method are Touch ID on an iPhone or face lock on an Android device are ?
Biometric
What component on a smartphone requires pairing with another device?
Bluetooth
You have just purchased a smart watch to track your fitness statistics and health. To change the interface or update the firmware, you need to use an app on your smartphone. Which of the following connection technologies will you MOST likely use to communicate between your watch and the app?
Bluetooth
You want to be able to use a high-quality, noise-cancelling headset with your mobile phone to make conference calls and to listen to music. However, your new mobile phone does not have an earphone jack. Which of the following technologies allows you to wirelessly connect your headset to your new phone?
Bluetooth
________ is a short-range wireless technology that uses radio waves to connect two devices in a PAN.
Bluetooth
Which of the following cellular standards does not require a SIM card? 5G CDMA 4G LTE GSM
CDMA
Which of the following medical devices utilize Bluetooth or Wi-Fi technology to communicate with a mobile phone? (Select two.)
CGM Fingertip EKG
Which of the following components allows a tablet to provide a screen interface that recognizes multiple finger touches at the same time?
Capacitive touchscreen
Voice, text, and other types of data that a telecommunications carrier can send from the carrier's network to the Internet for distribution is called _______.
Cellular data
Apple's Siri, Amazon's Alexa, and Microsoft's Cortana are all examples of what technology?
Digital assistant
On a mobile device, what is an electrical sheet just under the glass that turns a tap or swipe into digital data transmitted to the OS?
Digitizer
You have a mobile device that provides a touchscreen, but does not have touchscreen technology embedded into the display. Which of the following mobile device display components provides the touchscreen functionality?
Digitizer
For macOS, a bar that appears by default at the bottom of the screen and contains program icons and shortcuts to files and folders is known as the _____.
Dock
Which component is designed to let you use a notebook system as a desktop system by making it possible to connect a normal-sized external mouse, keyboard, monitor, and speakers?
Docking station
You have recently been hired by a course development company to develop online simulations, and you have been given permission to work at home. The company has given you a laptop computer, two external displays, and a wireless mouse and keyboard. However, you also want to connect several of your own personal devices to the laptop, including a printer, headset, webcam, a third external display, and a drawing pad. You also want to be able to boot your laptop with all these devices without opening up the laptop. Which of the following items should you request from your company to help connect all these devices in the EASIEST and most EFFECTIVE way possible?
Docking station
Dennis is driving a car with his family onboard. His children are sitting in the backseat. They have a tablet and want to watch a video on the Internet. What can he do that will allow the children to watch a video on the Internet while in the car?
Enable a hotspot on his smartphone
You want to use hibernation on your Windows notebook. What does it need to have for this to work?
Enough free hard disk space
The cost of replacing parts and labor generally exceeds the value of fixing the device, therefore most mobile devices parts are considered to be a ________.
FRU
You need to replace the video card in a laptop. Which of the following is the first step?
Find a service manual with correct disassembly procedures.
You have just purchased a used laptop, and you want to configure it to hibernate when you press the power button. You edit the Power Options settings and enable hibernation. Then you configure the power button to trigger hibernation. Everything works fine for several weeks. One day, when you press the power button, the laptop does not hibernate. Which of the following will BEST resolve this issue?
Free up disk space.
A ________ feature is often embedded in many mobile devices, making it possible to identify the device's location in relation to multiple satellites in orbit around the earth.
GPS
What company acquired Android code in 2005 and has a leadership role in its development?
A Google account is required to download content from the official source for Android apps called _______ and can be associated with any valid email address.
Google Play
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.)
Gyroscope Accelerometer
Which ACPI power state allows a system to start where it left off, but turns all other components off?
Hibernate
Which of the following mobile connection types can enable other mobile devices to connect to the internet?
Hotspot
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 the user MOST likely using?
Hotspot
Which of the following are ports used in configuring email on a mobile device? (Choose 3) DNS IMAP FTP SMTP POP3 SSH
IMAP SMTP POP3
The ________ is a unique number that identifies each mobile phone or tablet device worldwide.
IMEI
The ________ is a unique number that identifies a cellular subscription for a device or subscriber, along with its home country and mobile network.
IMSI
Which of the following BEST describes the purpose of the USB Selective Suspend feature?
If a USB device is not in use, the USB Selective Suspend feature stops providing power to the port.
Which of the following LCD display technologies is the BEST choice for use on touchscreen displays?
In-plane switching (IPS)
Which of the following MOST accurately describes a touch pen?
Includes features such as tilt and pressure sensitivity.
You have a notebook computer with a built-in wireless network card. One day, the network card 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.)
Insert a wireless USB network card. Insert an ExpressCard wireless network card.
Which of the following mobile device display components provides the required power for a mobile device's screen?
Inverter
Which of the following is a disadvantage of using a Lithium Ion (Li-Ion) battery over a Nickel Metal Hydride (NiMH) battery?
Li-Ion batteries have a shorter lifespan than NiMH batteries.
A landscaping company's employees receive payment for their services using a credit card reader that physically attaches to an Apple mobile device. Which of the following connection types is being used?
Lightning
Apple iPhones, iPods, and iPads use the proprietary ________ port and connector for power and communication.
Lightning
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 Lightning VGA microUSB
Lightning
Which of the following battery types offers the greatest storage capacity in the smallest amount of space?
Lithium Ion (Li-Ion)
Both Android and iOS devices have an app on them that can be used to find the device on a map, force the device to ring, change its password, or remotely erase all data on the device. This app is called ________.
Location Services
In cellular wireless Internet connection standards for transmitting data and video, what does the acronym LTE stand for?
Long Term Evolution
What company created the Windows Phone and uses the Windows Mobile OS?
Microsoft
_______ is a private enterprise email service that is hosted on corporation or ISP servers to provide company email addresses and includes email, calendars, and contacts services.
Microsoft Exchange
Large corporations use _______ software that provides tools for securing and tracking mobile devices, even when they're turned off, and managing the data on those devices.
Mobile Device Management (MDM)
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?
Mutual authentication
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?
NFC chips
________ is a wireless technology that establishes a communications link between two NFC devices that are within 10 cm of each other.
Near Field Communication
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?
OLED
What is the name of the database file that lists the preferred service providers or radio frequencies your carrier wants the device to use when outside your home network?
PRL
________ is a wireless technology used on small tags that contain a microchip and antenna, which is often used to track car keys, bags, luggage, animals, clothing, and inventory.
RFID
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?
Recalibrate the touchpad.
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 can MOST likely resolve this problem?
Reconnect the antenna connections.
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?
Remove the battery.
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?
Replace the CCFL inverter.
While servicing your laptop, you notice that your Lithium Ion battery is swelling. What is the BEST action you can take to resolve the situation?
Replace the battery.
As a technician in a computer repair shop, you have determined that the processor in a laptop needs to be replaced with one with a faster processing speed. However, when you remove the keyboard to expose the processor, you notice that the processor is soldered onto the motherboard. Which of the following is the BEST solution for replacing the processor?
Replace the motherboard with a faster processor.
You're trying to cast a video presentation from your tablet to a projector for a training session with some new hires. Although you tested it successfully yesterday, today the connection is not cooperating. You've closed apps you're not using, and you've checked that the projector and the tablet are working otherwise. Of the following troubleshooting steps, which should you try FIRST? Verify that you have Internet access on the tablet Restart the tablet Reinstall the presentation app Restart the projector
Restart the tablet
A technician is tasked with adding a valid certificate to a mobile device so that encrypted emails can be opened. Which of the following email protocols is best for the technician to use?
S/MIME
Which of the following protocols can encrypt emails on a mobile device?
SSL
A friend calls to tell you they have just dropped their iPhone in water. They ask you what to do. What advice can you give your friend? (Choose two) Set the phone in front of a cool fan Place the phone in a bag of rice so the rice can absorb the moisture Take the phone out of the case and dry off the surface Use a hair dryer set to medium heat to dry the phone
Set the phone in front of a cool fan Take the phone out of the case and dry off the surface
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?
Smartphone
A company is considering providing smartphones to their employees and is investigating the interaction of the phones with iTunes, Google Drive, Dropbox, and OneDrive. Which of the following data synchronization methods is the company considering?
Synchronization to the cloud
A ________ is a computing device with a touch screen that is larger than a smartphone and has functions similar to a smartphone.
Tablet
Match each battery type on the left with the battery characteristics on the right. (You can use each battery type more than once.)
Takes up the most physical space. Nickel Cadmium (NiCad) Takes up the least physical space. Lithium Ion (Li-Ion) The most expensive of Nickel batteries. Nickel Metal Hydride (NiMH) Cannot be overcharged. Lithium Ion (Li-Ion) Suffers from swelling and catching fire. Lithium Ion (Li-Ion)
Which of the following are advantages of using an OEM replacement LCD display? (Select two.)
The LCD display is guaranteed to work as a replacement. The LCD display is the same quality as the screen you are replacing.
The back cover of a mobile device is warmer than usual, and the battery seems to lose its charge much quicker than normal. The user has scanned for malware, closed unused apps, and decreased the brightness level of the screen, but the symptoms persist. Which of the following is the most likely cause for this behavior? The AC power outlet is faulty. The firmware is out of date. The charger is defective. The battery is going bad.
The battery is going bad.
You are troubleshooting a malfunctioning notebook computer system. The user has indicated that the LCD screen suddenly became dark and difficult to read while they were downloading a large file through the wireless network while the system was plugged in at their desk. You have checked the system and determined that the backlight has stopped working. Which of the following are the MOST likely causes? (Select two.)
The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced. The inverter in the LCD assembly has malfunctioned.
You work for a company that provides the same smartphone model for dozens of 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 specific device you're calling about The OS version on the phone The IP address of the phone on the cellular provider's data network The SIM card installed in the device
The specific device you're calling about
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?
Transfer the files through an AirDrop connection
You just purchased an iPad tablet device. You want to synchronize your photos, music, email, and contacts from your Windows 11 PC to the device. Which of the following can you use to connect the device to your PC? (Select two.)
USB cable Wi-Fi wireless connection
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?
USB-C connector
A user opens a help desk ticket to replace a laptop keyboard. The user reports that the cursor randomly moves when typing, causing them 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 BEST mitigates this problem?
Use the special function key to disable the touchpad when the laptop keyboard is used.
Mobile devices can connect to the internet and other devices using a variety of connection types. Drag each connection type on the left to the appropriate description on the right.
Used to obtain wireless internet access using a WLAN. Hotspot Used to emulate cryptographic smart card functionalities. NFC Provides mobile devices with access to network resources and software applications on a home network. Mobile VPN Allows you to share a phone's internet connection with a laptop. Tethering A wireless technology standard for exchanging data over short distances. Bluetooth
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?
VPN
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?
Vertical alignment (VA)
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?
Wearable devices
Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.)
Webcam Wi-Fi antenna wires Microphone
From your Windows laptop, you have been working on a large project that has required you to open a lot of items (programs, files, etc.). It is time to leave the office and make the two-hour journey home. You will be working on this project a bit more when you arrive at home. Your computer's battery is failing and only has a very short life span (about one hour) before your computer loses power. When you arrive home and open the laptop lid, nothing happens. After plugging in your computer and powering it on, you find that all of your programs and files have been closed. To troubleshoot, you open Control Panel and navigate to the settings that control what your computer will do when the laptop lid is closed. Which of the following power settings MUST you choose to prevent the same problem in the future?
When I close the lid: Hibernate
To make a cell phone battery last longer, disable ________ when you're not using it.
Wi-Fi
Which of these network connections would allow your smartphone to sync your photos to your online account? Wi-Fi RJ-45 Bluetooth GPS
Wi-Fi
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?
You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.
You have purchased a refurbished Windows laptop and have just plugged the power adapter into the wall socket to begin charging the battery. However, after several hours of charging, the laptop does not turn on. What is the MOST likely cause of the power issue?
You have been given the incorrect adapter.
You are removing the bezel from a laptop's LCD display screen. After several attempts to pry up the bezel and remove it, you have not separated the bezel from the case. Which of the following is the MOST likely reason for your inability to remove the bezel?
You missed a screw.
MDM installs a small app called an _______ on a managed mobile device, which communicates through various Wi-Fi or cellular connections back to the MDM server in the company data center.
agent
What is the operating system used by Apple for iPhones?
iOS
On smartphones, ________ provide alerts and related information about applications and social media, and quick settings to Wi-Fi, Bluetooth, and auto-rotate.
notifications
Linux and Android are ________ operating systems, which means the source code for the OS is available for free and anyone can modify and redistribute the source code.
open source
A ________ is primarily a cell phone that also includes abilities to send text messages with multimedia attached, surf the web, manage e-mail, play games, take photos and video, and download and use small apps.
smartphone
The practice of using a mobile device as a modem to connect another device, such as a laptop or smartphone to the Internet is known as _______.
tethering