Comptia A+ 220-802 Chapter 18 Flashcards
An____________ measures the acceleration—change in velocity, which is a function of speed and direction—of an object. pg 847
accelerometer
A___________ is a sensor that detects rotation around any of three axes, known as roll, pitch, and yaw. pg 847
gyroscope
the relative and absolute positioning of your device from the viewpoint of the planet and space, is an important capability that allows effective navigation and access to personalized services and security features. pg 848
Geolocation
Two technologies are used by most modern smartphones to accomplish positioning and geolocation:
1) Magnetometer—compass heading
2) Global positioning system—absolute position on the earth
A________allows a device to sense magnetic fields, such as the one our planet exhibits at the magnetic north pole.
magnetometer
Wireless personal area networks (WPANs) that use Bluetooth for data-link transport are specified by IEEE________?
IEEE 802.15.
Secure mail ports on Table18.2 pg 884
Mail Protocol TCP Port Number SMTP with SSL 465 SMTP with TLS 587 IMAP with SSL/TLS 993 POP with SSL/TLS 995
Internet calls over WiFi can be configured
on many Android phones using this protocol? pg 853
Session Initiation Protocol (SIP) and a simple Internet
calling utility.
The method of detecting device orientation varies somewhat, but the following two popular methods exist and are presented here with their characteristic detection capabilities: pg 854
1) Accelerometer—forward/backward, left/right, up/down
2) Gyroscope—roll, pitch, yaw
Later versions of Android are based on which Operating System? pg 840
Linux operating system
The___________ allows developers to create proprietary versions of the protected software without the need to contribute back to the original platform. pg 840
Apache license
What are the Steps to Connecting an iPhone to a WiFi Network pg 854
- Tap the Settings app on the Home screens.
- Select Wi-Fi from the Settings menu.
- Swipe the Wi-Fi switch to the right to turn it on if it is off. Tapping switches also works to toggle them to the opposite state.
- Tap the name of the wireless network that you want to join.
- Enter the password or key for the wireless network, if you are asked for one, and then tap the Join button.
- Tap the Settings back button at the top left to return to the previous screen.
Disabling Cellular Use for Data Networking on an iPhone? pg 861
- Tap the Settings app on the Home screens.
- Scroll down, if necessary, and select General from the Settings menu.
- Select Network from the General Settings menu.
- Turn off the switch labeled Cellular Data, shown next.
- Back out of the Settings app and then press the Home button.
In mid 2010, Apple added a controversial feature to iOS, starting with version 4, that collects your position and stores it locally on the phone in a file that is never harvested but also reports it twice a day back to Apple. pg 849
geotracking
The Russian form of GPS, known as what? pg 848
Global Navigation Satellite System (GLONASS),
_______uses similar information to add location information to various forms of media, such as photographs taken with the device and messages sent with the device. pg 849
Geotagging
