1st Semester Review 4th-5th

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?

• VPN

• Infrared transmitters

• Bluetooth transmitters

• NFC chips

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?

• Provide Jill with a second computer.

• Configure Jill's computer with dual monitors.

• Configure Jill's computer with a higher resolution.

• Grant Jill access to a remote workstation.

You are a trainer for your company and often teach courses in a classroom located on campus or in a hotel conference room. In your office, which is separate from the classroom, you have two external monitors connected to your laptop, and you are able to display different content on each monitor. However, when teaching, you only have your laptop and a projection unit. To make teaching easier, you want the same content to show on both the laptop monitor and the projection screen. Which of the following multiple display options would be BEST to select when you are teaching?

• Show only on 1

• Show only on 2

• Duplicate these displays

• Extend these displays

Which of the following display technologies require backlighting? (Select two.)

• DMD

• Plasma

• LED

• LCD

• OLED

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

• Docking station

• USB

• MicroSD

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

• LCD

• OLED

• Inverter

A group of workers in an office space communicate with each other on their smartphones and tablet devices through an ad hoc network linked using Bluetooth technology protocols. Which of the following network types is in use?

• Wide Area Network (WAN)

• Local Area Network (LAN)

• Metropolitan Area Network (MAN)

• Personal Area Network (PAN)

You are a junior network technician for a small consulting firm. You have recently learned about IP addressing and run the ipconfig command on your local computer. The output from the command is: • IPv4 Address..... 192.168.0.52 • Subnet Mask..255.255.255.0 • Default Gateway..192.168.0.1 Which of the following is the host ID?

• 255.255.255

• 52

• 192.168.0

• 192.168.0.1

Which of the following is considered a computer input device?

• RAM

• Hard disk

• Touchscreen

• Projector

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

• OLED display

• Bluetooth

• Capacitive touchscreen

• E Ink