Connecting To The Internet

Question 1

WISP

Answer 1

Wireless internet service provider
Uses point to point long range fixed wireless
Customer installs a satellite provided by WISP
Provided to areas without broadband

Question 2

Cellular

Answer 2

Wireless WAN
Global system for mobile communication (GSM)
Code division multiple access (CDMA)

Question 3

Satellite

Answer 3

About 25mbps down & 3mbps up
Requires line of site to satellite
High initial cost
Weather dependent
Usage limits
High latency

Question 4

NAT

Answer 4

Network address translation
Presents entire LAN of computers as a single machine
Makes all computers invisible to the internet(only public IP address is seen)
All computers on the LAN use a private IP address

Question 5

Embedded systems

Answer 5

Computers that don’t look like computers
Ex. Appliances, game consoles, cars, medical equipment, missiles, factory equipment, etc.
Evolved into smart devices

Question 6

ICS

Answer 6

Industrial control systems
Monitor and control (or help humans monitor and control) many if not all parts of the equipment, materials, and processes they oversee.

Question 7

SCADA

Answer 7

Supervisory control and data acquisition
Designed to manage processes that are spread out over a wide area
Help with the problem of operating the system safely when something temporarily disrupts connectivity between parts of the system

Question 8

IoT

Answer 8

Internet of things
Devices that actively use the internet all on their own during regular operation