2.3 Flashcards
Internet limitations
3
Lack of portablity
Expensive> bandwidth and cap
Area may not have adsl or fibre coverage
Ftth and FTTb
Installation of cables in business and homes for high speed internet access
Wi-Fi
5
1 A wireless technology that uses radio waves to transmit data
- Connect to internet via router linked to adsl
- communicate devices wirelessly
- Measured in Sqm
- Better coverage with one access point
Hotspots
4
- A place where a Wi-Fi network has been created and people connect to internet through it
- area to connect is small
- Some require subscriptions to a wireless internet service provider
- Made available in home via Wi-Fi transmitter . Connect to adsl and other devices connect to router
WiMAX
5
Worldwide interoperability microwave access
- More secure
- Wider area than Wi-Fi
- Towers measure km
- Secure broadband access
- Viable if no fibre
3G 4g
3
- Generations of mobile internet access that use an infrastructure over cellular networks
- Enables devices with 3G/4g to offer high speed aces
- No good coverage use edge resulting in slower speed
How browsers and email work on mobiles compared to desktop
4
- Restricted in formatting messages
- Emails pushed to other devices
- Tables may not display properly
- Pop up windows may not work
Adv of social networks
4
- Cost effective
- Show status to friends
- Doesn’t matter you location
- Used as marketing tool
Disadvantages of social network
5
1Identify theft 2Online fraud risks 3False info spread , fake life 4Loss in productivity cyber slacking 5Targeted advertising
Best practices of social networking
4
Check privacy
Don’t post personal info
Only accept people you know
Don’t post inappropriate content
VoIP
2
1Allows calls to made over lans or wans to anyone with voip
2Conference call tech
Adv of VOIP
4
Cheaper
Software free
Transfer files
Video calls
Disadvantages of voip
2
Poor quality slow internet
Use date of cap
Best practices with Voip
4
1Check local times
2Use video when necessary
3Decent headset
4Pay attention to contact status
Video conferencing
Hold conversation at diff location using computer to transfer audio and video if they where in the same room
Adv of videos conference
2
See people read them
Cheaper than travelling to meeting
Disadvantages of conference calls
2
Quality poor if slow internet
Use lot data cap
Best practices of conference call
3
Well lit location
Protect privacy
Test sound before call
Chat room
Online environment that allows people to communicate by typing in real-time
Adv of chat room
3
Chat with music people
Interact regardless of location
Applications used on variety of platforms
Disadvantages of chat room
3
1No way of ensuring people
2More time in chat room then real world
3Cyber bullying and cyber stalking
Chat room practices
3
1Don’t give personal info
2Don’t arrange to meet in person
3Don’t bully
RSS
5
1Real simple syndication 2Automatically provides content from sites 3Chanel provides summarised content 4Accessed from central applications 5Feed readers
Subscription to rss
2
Register account
Tap link identified as rss and link to reader
Rss adv
2
Info in one place time saver
Avoids spams
Disadvantages of rss
2
Overload of info if too many feeds are subscribed
Photos not included
FTP
4
1File transfer protocol
2Rule for communication
3Fast easy transfer of files between remote computers that have internet connection
4Upload on ftp server or download
E commerce
Business transaction that involves communication across internet
Internet banking
6
1Connect bank via internet 2View balance 3Pay bills 4Transfer money 5Order credit cards 6Buy prepaid data
Adv of online banking
4
1Available 24\7 anywhere
2Faster and cost less
3Safer than carrying cash
4 Beware for phishing
