Index

TECHNICAL SUPPORT FUNDAMENTALS

  1. INTRO -> IT
    1. HISTORY OF COMPUTING
    2. DIGITAL LOGIC
    3. COMPUTER ARCHITECTURE LAYER
  2. HARDWARE
    1. The Modern Computer
    2. MOBILE DEVICES
    3. PERIPHERALS
    4. STARTING IT UP
  3. OPERATING SYSTEM
    1. INTO KERNEL
    2. USER SPACE
    3. INSTALLING OS
  4. NETWORKING
    1. INTERNET
  5. SOFTWARE
  6. TROUBLESHOOTING

INTERNET

Limitations

:


IPv4 : 32 bits in 4 groups (< 4.3 billion ip address) limiting
IPv6 : 128 bits in 4 groups (2128 possible addresses) solution

NAT (Network Address Translation):
Lets organization use one public IP address and many private IP addresses within the network.

IMPACT :


GLOBALIZATION : ✔
CHANGE IS CONSTANT IN THE FIELD OF TECH!
INTERNET OF THINGS(IoT) : more and more devices smart devices on internet
http://www.wired.co.uk/article/internet-of-things-what-is-explained-iot

PRIVACY AND SECURITY :
COPPA
EU data protection
COPYRIGHT
COMPUTER SECURITY