Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
PRE-RELEASE 2018 - Lesson 4: Internet connections
The internet
Wireless Hotspot
Fixed wireless
Often in cities/built up areas
WAP configured
May be FOC or paid access
- privacy issues
- speed
Private hotspots may be configured on a mobile device for access
Lesson Objectives
What is the internet?
+ No telephone/optical cables need to be installed
+Good speeds
- Requires line of sight between transmitter and receiver - trees/hills?
- Cost
To review the types of internet connection available
To critically evaluate each type of connection
To assess the suitability of internet connections for the PLS scenario
Revise, Recap, Review
Types of internet access
Several you need to know about for the exam.
What do progress LakeSailing use to access the internet currently?
3 methods of physical protection that could help progress LakeSailing
2 methods of Logical protection and how they could be used by PLS
1 explanation of data vs information
Wireless technologies
Connection types/ Mediums
Sent through the air using radio/microwaves
+ minimal installations needed
-availability
-interference
-security?
Copper
The 'thing' that delivers the signal
+Common
+ Cheaper than other mediums
- coaxial, twisted pair etc
- Data sent as electrical voltage
- interference
- lower bandwidth (speed )
- limited range
Optical Fibre
Data sent through glass/plastic as light
+ high bandwidth
+ no interference
+ long range
- expensive
- not in all areas