chapter 12 csc spring

BYOD Policy

Bring Your Own Device Policy addresses the issues of personal data privacy and corporate data protection. This policy also addresses corporate versus individual mobile device control.

what is the first step to calibrate battery if doesn't have calibration tool

Charge the battery to 100%

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

You want to use hibernation on your Windows notebook. What does it need to have for this to work?

Enough free hard disk space

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 and 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 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

Which of the following battery types offers the greatest storage capacity in the smallest amount of space?

Lithium Ion (Li-Ion)

S/MIME

Secure/Multipurpose Internet Mail Extensions is a protocol that is used to encrypt emails.

Wireless On/Off Key

Special function key on a computer keyboard which allows the user to quickly turn the device's wireless capabilities on and off.

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?

Synchronization to the cloud

nickel metal hydride (NiMH) batteries

The most expensive of the Nickel-based batteries

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

Maria, a smartphone user, has recently installed a new app. She now experiences a weak signal and sometimes a complete signal loss at locations where she used to have a good cellular signal. Her phone battery is fully charged. Which of the following actions would BEST address this issue?

Uninstall the new app and scan for malware.

You are walking through a shopping mall. Your smartphone frequently displays a message that additional information is needed to log in. Which of the following is the MOST likely cause of this message?

Unintended Wi-Fi connections

What category do apps fall into if they have not been reviewed, approved, and signed with a certificate?

Untrusted

Vertical Alignment (VA)

VA was used in the early adoption of color LCD. It produces a truer black and offer a wider viewing angle.

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)

VPN

Virtual Private Network creates an encrypted connection over a less secure network, such as the internet

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

Hotspot

allows you to turn your smartphone into a Wi-Fi host that allows other Wi-Fi-enabled devices to connect and use your smartphone's internet connection.

lithium-ion (Li-ion) battery

batteries cannot be overcharged, but they also suffer from swelling and catching fire.

Nickel Cadmium (NiCad)

batteries take up the most space, while Lithium Ion (Li-Ion) batteries take up the least space.

USB-C connector

used for connecting external devices including displays and Ethernet adapters

lightning connection

used to connect an Apple mobile device to another device using a physical cable or by plugging the second device directly into the lightning connection.

Inverter

A device that converts DC to AC and provides the required power for the screen on LCD monitor

In-Plane Switching (IPS)

A class of LCD monitor that offers truer color images and better viewing angles, but is expensive and has slower response times.

Screen Orientation Key

A key found on some keyboards which changes the orientation to portrait or landscape depending on its current orientation.

Docking station

An external device that attaches to a mobile computer or device and contains a power connection and provides connections to peripheral devices.

Locator applications

Assist in finding your device if you happen to misplace it.

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

Used to obtain wireless internet access using a WLAN.

Hotspot

Which of the following LCD display technologies is the BEST choice for use on touchscreen displays?

In-plane switching (IPS)

Which of the following mobile device display components provides the required power for a mobile device's screen?

Inverter

Which of the following are devices categorized as part of the Internet of Things (IoT)? (Select two.)

Medical sensors and Smartwatches

Which of the following mobile device components are often installed under the bezel of a mobile device display? (Select three.)

Microphone, Webcam, Wi-Fi antenna wires

You have recently purchased a gaming laptop and want to make sure that it is properly ventilated to avoid overheating. Which of the following is the BEST way to avoid overheating the laptop (especially when gaming for hours)?

Purchase a special laptop cooling base.

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.

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

Your laptop's LCD screen is beginning to flicker and dim. You have checked the brightness setting to make sure that it is configured correctly. Which of the following is the MOST likely cause of your screen issue?

The LCD screen inverter is failing.

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

Touchpad On/Off Key

A special function key used to turn on and off a keyboard's touchpad functionality.

A user has configured their mobile device to unlock with facial recognition. Which of the following methods for securing the mobile device is being used?

Biometric authentication

Which of the following components allows a tablet to provide a screen interface that recognizes multiple finger touches at the same time?

Capacitive touchscreen

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

Which of the following medical devices utilize Bluetooth or Wi-Fi technology to communicate with a mobile phone? (Select two.)

Fingertip EKG and CGM

You are comparing methods for securing your mobile device. Which of the following is the BEST method to secure your device's storage?

Full device encryption

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 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 MOST accurately describes a touch pen?

Includes features such as tilt and pressure sensitivity.

After entering a user ID and password, an online banking user must enter a PIN that was sent as a text message to their mobile phone. Which of the following digital security methods is being used?

Multifactor 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

A technician suspects that an app on a tablet device may be surreptitiously using the camera without permission. Which of the following would be the BEST way to troubleshoot this issue?

Run an anti-malware scan.

Which of the following protocols can encrypt emails on a mobile device?

SSL

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. and The LCD display is the same quality as the screen you are replacing.

Which category do apps fall into if they have been reviewed, approved, and signed with a certificate?

Trusted

Bluetooth (on/off)

Turn Bluetooth on or off.

An employee in the sales department cannot get his laptop to display through a projector. He sees the screen output on the built-in laptop display, but the video is not being displayed through the projector. Which of the following steps would be BEST to try first?

Use the fn key to redirect display to the external video port.

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.)

Wi-Fi wireless connection and USB cable

Remote wipe

Wipes your device to keep sensitive information from falling into the wrong hands.

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.

flickering screen

a faulty backlight or inverter.

Mutual authentication

two-way authentication a security feature in which a client process must prove its identity to a server, and the server must prove its identity to the client before any application traffic is sent over the client-to-server connection.

Joe, a mobile device user, is allowed to connect his personally owned tablet to a company's network. Which of the following policies defines how company data is protected on Joe's tablet?

BYOD Policy

Play/Pause media key

Play or pause media

Mobile VPN

a mechanism that provides mobile devices with access to network resources and software applications on their home network

NFC

a type of connector that is used to emulate cryptographic smart card functionalities for RFID tags or memory cards.

Near-field communication

a very short-range wireless connectivity technology designed for cell phones and credit cards for transmitting financial information when making payments.

Bluetooth

a wireless technology standard for exchanging data over short distances from fixed and mobile devices and for building personal area networks (PANs). Bluetooth can connect several devices, overcoming the problems of synchronization.

hibernate mode

power state in which data from RAM is saved to the hard disk and then power is shut down

Docking stations

provide the desktop experience for laptop computers. Devices such as keyboard, mouse, and monitor

One of your users suspects that the battery in their laptop computer is failing. You test it by using a known good power adapter long enough to receive a full charge. The battery reads that it is fully charged in Windows. You then disconnect the laptop from its power source and wait to see how long the battery lasts. The battery dies after only about 15 minutes. Which of the following actions will MOST likely fix this problem?

Assume that the battery is failing and replace it.

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 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

Organic light emitting diode (OLED)

OLED emits light producing deep blacks and high contrast. It is thinner and lighter than LCD and can be flexible allowing for the development of foldable smart phones.

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.

Which of the following help to improve the security of sensitive information on your mobile device if it is lost or stolen? (Select three.)

Remote wipe, Locator applications, A screen lock

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.

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

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.

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

Wearable devices

Devices such as Fitbit, Google Glass, Apple Watch, and other accessories that perform a variety of tasks and that can sync with other smart electronics.

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.

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 are troubleshooting a malfunctioning laptop computer system. The customer has indicated that the screen is always dark and difficult to read, even while the system is plugged into a wall outlet. You checked the system and determine that the backlight isn't working. Which of the following is the MOST likely cause of this issue?

The LCD cutoff switch is stuck in the Off position.

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 inverter in the LCD assembly has malfunctioned. and The cold cathode fluorescent lamp (CCFL) has burned out and needs to be replaced.

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

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 an ExpressCard wireless network card. and Insert a wireless USB network card.

Screen lock

Keeps casual users from gaining access to your device

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

Tethering

means for connecting one device to another allows the sharing of the internet connection from a phone or tablet with other devices, like laptops.

Capacitive touchscreen

multi-touch or gestures that allow the tablet to recognize simultaneous multiple finger touches.