Transcript What is a Network?

Network and Networking
Michelle Alexander
Dr. Sanders
Library 5050
Networking
What is a Network?
A Network is a number of electronic
devices which are connected so
that data is able to be transferred
between them.
Network Management
What are we connected to?
•PAN Personal Area Network
•LAN Local Area Network
•wLAN Wireless Local Area Network
•MAN MetropolitanArea Network
•WAN Wide Area Network
Connections: Let’s Put it Together
•Web server
•IP Addresses
•Domain name
•URL Address
•Browser
•Internet Verses WWW
•Search Engines/ Meta
Searches
Network Topics
•Network Protocols or Languages
•CCITT Providing Standard Address
•De Facto Use and Gateways
•Central Processing Unit/ Cost
Share
• File Transfer
•Networking Standards
•Networking Companies
•Internet Access
•Chats/ real-time communication
Communications/ Satellite
Library Automation in Schools
and Public Libraries
Management
Educational
and
Recreational
Information
Retrieval
Communication
Security Issues
•Firewalls
•Viruses
•Filtering (Fortress)
• Hackers
•SPAM/Getting Rid Of
•Child Security of Info
Firewalls And Their Role In The
Network
•Prevention from Accessing
the ‘ports’ on the network
that are used for communication
•Application Gateways
•Protection against Viruses?
•Anti-Virus Software
Filtering and the Network
•“Allow List”=Limited Access
•“Deny List”= Decisions
Made By Vendor
(less restrictive)
•“Keyword Matching”
•Combination of Approaches
•Keyboard Monitoring
Products-Chat Rooms, E-mail
and Buying On-line /Filtering
•ICRA Content Rating
•Server Filters and ISP
The Role Software Plays
on Networking
•Web Portal Software
•Platform Software
•Chat Rooms
•Videoconferencing
•Groupware
Communications
Broadcasting
E-mail
Fax
Telecommunications
This refers to all data
transmission from voice
to video
•Data Transmission
•Fiber Optic Cables
•Greater Bandwidth
•Digital Transmission
•Videoconferencing
Wireless
•Radio Waves
•Fiber optic cables/ metal
•Nodes
•Innovation/Aviation
•Browser Based Management
•Handheld devices
•Airconnect Products
Innovations
•Aviation
•Anolog Verses Digital
•Speed
•Connections
•Web Servers
•Wireless Labs
•Bandwidth
Article Highlights
•Baltimore Schools
•Privacy for Child Records
•St. Mary College
•Aviation
•Wireless Mobility
•Laptops and Class $
•E-Rate Discounts
•Business benefit Fiber
Optics
Networking
We started with Sputnik,
and here we are!