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Month: November 2001

2.1 Physical Security: Security Guard and Door Locks

2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 119 of 278 in the series Comptia A+ (Plus) 220-1002 Series

Security guard You may have security guard employees that help to restrict access by checking identification of employees and guests. Door lock

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2.1 Physical Security: Smart Card

2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 118 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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.

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2.1 Physical Security: Badge Reader

2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 117 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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2.1 Physical Security: Mantrap

2. Security (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 116 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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1.9 Basic Linux Commands: iwconfig, ipconfig, ps, su, sudo, apt-get, vi, dd, kill

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 115 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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1.9 Basic Linux Commands: mv, cp, rm, chmod, chown

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 114 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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1.9 Basic Linux Commands: ls, grep, cd, shutdown, pwd, passwd

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 113 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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1.9 Mac OS Features

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 112 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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…

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1.9 Mac OS and Linux Tools: Force Quit

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 111 of 278 in the series Comptia A+ (Plus) 220-1002 Series

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,…

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1.9 Mac OS and Linux Tools: Screen Sharing

1. Operating Systems (220-1002), Comptia A+ (Plus), Comptia A+ (Plus) 220-1002

This entry is part 110 of 278 in the series Comptia A+ (Plus) 220-1002 Series

Mac OS Screen sharing is a built in feature of macOS. It’s integrated into the macOS finder such that you can list out the computers on your network and right…

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