RVs Lesson 8: Supporting Mobile Devices

Rvs for Lesson 8

A company is ordering custom-built laptops to supply to its field sales staff for use predominantly as presentation devices. The company can specify the type of panel used and has ruled out IPS and OLED on cost grounds. Which of the remaining mainstream display technologies is best suited to the requirement?

• Vertical alignment (VA)

• Twisted Nematic (TN)

• LED

• IOS

• Vertical alignment (VA)

Vertical alignment (VA) displays support good viewing angles and high-contrast ratios, which makes them well-suited to displaying slides to an audience. The twisted nematic (TN) type is cheap but does not support wide-angle viewing.

You are writing a knowledge base article for remote sales staff who need to use their smartphones to facilitate Internet connectivity for their laptops from out-of-office locations. What distinguishes the hotspot and tethering means of accomplishing this?

• Tethering means linking connections together via VPN.

• Configuring a hot spot is actually a security technique and unrelated.

• Tethering means connecting the laptop via USB or Bluetooth.

• Configuring a hotspot allows the laptop to connect to the smartphone over Wi-Fi.

• Tethering means connecting the laptop via USB or Bluetooth.

• Configuring a hotspot allows the laptop to connect to the smartphone over Wi-Fi

What type of peripheral port would you expect to find on a current generation smartphone?

• USB-C

• Lightning port

• Micro-USB

• Mini-USB

• USB-C

• Lightning port

You are assisting a user with pairing a smartphone to a Bluetooth headset. What step must the user take to start the process?

1. Open the Bluetooth page under Settings.

2. Make the phone discoverable

3. Enable the user to find nearby devices

4. If the headset is not found automatically, check if there is a button on the headset to make it discoverable.

1. Open the Bluetooth page under Settings.

2. Make the phone discoverable

3. Enable the user to find nearby devices

4. If the headset is not found automatically, check if there is a button on the headset to make it discoverable.

You are identifying suitable smartphone models to issue to field sales staff. The models must be able to use digital payments. What type of sensor must the devices have?

Near-field communications (NFC)

Why must a vendor account usually be configured on a smartphone?

A vendor account, such as an Apple, Google, or Samsung account, is required to use the app store.

Which types of data might require mapping between fields when syncing between applications?

Contacts and calendar items.

How do you configure an autodiscover-enabled email provider on a smartphone?

Just select the provider then enter the email address. If the account is detected, you will be prompted for the password.

A company has discovered that an employee has been emailing product design documents to her smartphone and then saving the files to the smartphone’s flash drive. Which technology can be deployed to prevent such policy breaches?

Mobile application management (MAM)

Several laptops need to be replaced in the next fiscal cycle, but that doesn't begin for several months. You want to improve functionality as much as possible by upgrading or replacing components in some of the laptops that are having problems. Which items are most easily replaced in a laptop?

• System Drive

• System Memory

• Plug-in Wireless Card

• GPU

• System Drive

• System Memory

• Plug-in Wireless Card

A technician is performing a keyboard replacement and asks for your help. The data cable for the old keyboard will not pull out. How should it be removed?

This type of flat data connector is secured by a latch. Pop the latch up before trying to remove the cable.

What type of standard adapter card might be used to connect internal FRU devices to the motherboard of a laptop?

• PCI x16

• Mini-PCIe

• mSATA

• M.2

• Mini-PCIe

• mSATA

• M.2

What is the process for installing memory in a laptop?

• Start

• Verify that the DDR version of the upgrade module is supported by the motherboard.

• Take antistatic precautions.

• Locate the memory slot, which is usually accessed via a panel on the back cover.

• Move the connector up to 45º and insert the memory card, taking care to align it correctly.

• Push the card flat again.

• Start

• Verify that the DDR version of the upgrade module is supported by the motherboard.

• Take antistatic precautions.

• Locate the memory slot, which is usually accessed via a panel on the back cover.

• Move the connector up to 45º and insert the memory card, taking care to align it correctly.

• Push the card flat again.

You are troubleshooting a laptop display. If the laptop can display an image on an external monitor but not on the built-in one, which components can you say are faulty?

• CPU

• Display cable

• The built-in 

• GPU

• Display cable

• The built-in 

You received a user complaint about a laptop being extremely hot to the touch. What actions should you take in response to this issue?

• Reapply thermal paste to CPU

• Cleaning Ventilation

• Reapply thermal paste to GPU

• Replace heat spreader on the CPU

Cleaning Ventilation

A user complains that their Bluetooth keyboard, which has worked for the last year, has stopped functioning. What would you suggest is the problem?

• Re-Install bluetooth drivers

• Replace Batteries

• Check for Keyboard for firmware updates

• See if Operating System still supports bluetooth.

Replace Batteries

A laptop user reports that they are only getting about two hours of use out of the battery compared to about three hours when the laptop was first supplied to them. What do you suggest?

• Replace the laptop.

• Work faster.

• Use power save mode.

• Replace the battery.

Replace the battery.

A laptop user is complaining about typing on their new laptop. They claim that the cursor jumps randomly from place to place. What might be the cause of this?

• Replace the motheboard.

• Update driver.

• Reinstall the Operating System

• Reduce Touchpad sensitivity.

• Update driver.

• Reduce Touchpad sensitivity.