CIT - 48B CompTIA + and Security Principles

Which statement best describes airplane mode? Airplane mode allows mobile devices to communicate safely via Bluetooth and Wi-Fi while in flight but turns off cellular transmission. Airplane mode is an FCC regulation that controls the use of mobile devices in airports. Airplane mode allows mobile devices to communicate only when they are attached to each other by cable. Airplane mode turns off all wireless antennas so that mobile devices cannot transmit or receive data while in flight.

Airplane mode allows mobile devices to communicate safely via Bluetooth and Wi-Fi while in flight but turns off cellular transmission.

Which of these are generally accessed through the bottom of a laptop? (Choose all that apply.) Battery Wireless adapter SODIMM RAM SSHD

All

Which of the following are required for cloud-based synchronization on a mobile device? (Choose two.) Bluetooth 4.0 App or web service installed Web access Data caps

App or web service installed Web access

Which of these is not a file type to be synchronized? Email Calendars Biometrics Contacts

Biometrics

Which of the following most likely needs to be replaced when a touchscreen is unresponsive and no longer detects touch? Inverter Touch pen Battery Digitizer

Digitizer

Which of the following is not considered to be a method to avoid exceeding data limits on a phone? Disabling mobile data Setting syncs to Wi-Fi only Not streaming music and videos Disconnecting from Wi-Fi

Disconnecting from Wi-Fi

Which transmissions cannot be enabled in airplane mode? (Choose two.) Bluetooth GPS Cellular Wi-Fi

GPS Cellular

Which of the following are methods of sharing a wireless connection? (Choose all that apply.) Twisted nematic Hotspot Tethering Port replicator

Hotspot Tethering

Which of these converts power from DC to AC for screens? Transformer Inverter Wireless card PCIe card

Inverter

Which screen type would you choose for maximum brightness and efficiency? LCD with IPS OLED LCD with TN LED

LCD with TN

When experiencing issues connecting a phone to cell towers, which can be reset to possibly solve the problem? MAM PRL OLED NFC

MAM

Which of these can a company use to push security updates out to all devices that employees use? MAM MDM PRL NFC

MDM

You have been called to check on a laptop that belongs to a user who just returned from vacation. The laptop keeps crashing after a few minutes of use. The documentation for the laptop indicates that additional RAM was added during a system tune-up earlier in the week. What are the considerations worth revisiting when troubleshooting? (Choose two.) Memory speed iOS update history Voltage rating of the power cable Memory timing

Memory speed Memory timing

When paying with your phone at the store, which of the following communicates with the payment system for the transaction? NFC Wi-Fi Biometrics Bluetooth

NFC

Which of these technologies usually has about a 10cm range and can be used to pair a device with speakers? Wi-Fi Cellular Bluetooth NFC

NFC

You are using your iPhone to pay for your groceries. Your receipt is sent to your email. Which technology is used in this payment transaction? ActiveSync HTTPS NFC Hotspot

NFC

Which device is most like a docking station? Inverter GPS Port replicator External HDD

Port Replicator

Which of the following is best for updating RAM in most laptops? DDRSD4 DIMM SODIMM SDR SDRAM

SODIMM

Which of the following is not featured on a common docking station? SSD Power connection USB ports Display output port

SSD

You have been asked to upgrade an aging laptop without replacing it. Which option can you add to provide the fastest possible update? DIMM HDD SSD SSHD

SSD

You are researching options for adding a hard drive to your laptop. You want speed, but price is a consideration. Which of these is the middle-of-the-road option for speed and price? HDD SSD SSHD OLED

SSHD

Which of the following is the term for a smartphone that shares its cellular data connection with a laptop via a USB cable? Pairing Tethering NFC Hotspot

Tethering

Which term describes using a phone and USB cable to provide secure Internet access to a laptop in an airport lounge? Biometrics USB Type-C Tethering Two-factor authentication

Tethering

A user provides both a password and a fingerprint to access a device. What is this called? MDM MAM Pairing Two-factor authentication

Two-factor authentication

Which of the following statements describe Bluetooth? (Choose all that apply.) Bluetooth devices form short-range, low-speed wireless networks. Bluetooth devices connect to form a PAN. Bluetooth devices create peer-to-peer networks. Bluetooth devices allow dissimilar devices to communicate on the same network.

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