1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Force Quit is when you want to stop an application from running. For example, when an application has become unresponsive, you’ll want to force quit it and restart. In MacOS,…
1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Multiple desktops/Mission Control With MacOS you can have multiple desktops running at once. Multiple desktops can have different open applications on them. For example, you can have email and Word…
1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
To start using command line commands in Linux you’ll run Terminal, XTerm, or similar application. If you need help with a command, you can type in the command man. This…
1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Mv The mv command is used to rename a file. The syntax looks like: mv SOURCE_FILE DESTINATION_FILE. For example, to rename a file called failed.txt to passed.txt, you would enter…
1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
iwconfig/ifconfig The iwconfig command is used to view or modify the wireless network configuration (mode, rate, frequency/channel, etc.). The syntax is: iwconfig NAME_OF_WIRELESS_ADAPTER MODIFICATION For example, to change the name…
2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
A mantrap is a physical security control. A mantrap is a secured area, generally where only one person, or limited number of people, can enter at a time. A mantrap…
2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Some organizations will utilize badge readers to allow physical access into restricted areas. The badge readers can utilize RFID technology to read RFID badges. There are readers for magnetic swipe…
2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Smart cards may be used to provide physical access. You may have to insert a smart card into the reader in order to unlock a door.
2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Security guard You may have security guard employees that help to restrict access by checking identification of employees and guests. Door lock
2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002
Biometric locks provide access to restricted areas through the use of hand, finger, or retina scanning. You could also have a voiceprint. Biometric locks usually work by saving a mathematically…