This document discusses various types of wired and wireless Internet connections. It describes dial-up connections using phone lines and modems, as well as high-speed broadband connections like DSL and cable modems. It explains that DSL uses modified phone lines to provide faster speeds than dial-up, while cable modems use existing cable TV wiring. The document also covers wireless options like wireless WANs for large areas using radio signals, satellite services for remote locations, and wireless LANs for connecting to a local network without wires. It emphasizes the importance of encryption for securing wireless transmissions.
basic computer networking osi model ppt, network topology ppt
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This presentation is a summary of the subject of the computer network presented at the Electronic University of Saudi Arabia for the computer introduction book
basic computer networking osi model ppt, network topology ppt
I run a knowledge sharing YouTube channel called (SILICON CHIPS TAMILAN). Please like, share, subscribe, and support me.
YouTube Link : https://www.youtube.com/channel/UCenZp9ho_PP0K5iYrdocvrw
This presentation is a summary of the subject of the computer network presented at the Electronic University of Saudi Arabia for the computer introduction book
hey guys n gallllls.....hope u lll find this valuable. Dis is parpared using Discovering Computers. email me @shahid.mohana@gmail.com if u find any mistake, Thanxxx
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involves recognizing relationships between elements of the marketing mix (e.g.,
price and product quality), as well as assessing competitive and market conditions
(i.e., industry structure in the language of economics).
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https://www.productmanagementtoday.com/frs/26903918/understanding-user-needs-and-satisfying-them
We know we want to create products which our customers find to be valuable. Whether we label it as customer-centric or product-led depends on how long we've been doing product management. There are three challenges we face when doing this. The obvious challenge is figuring out what our users need; the non-obvious challenges are in creating a shared understanding of those needs and in sensing if what we're doing is meeting those needs.
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Industry expert Scott Sehlhorst will:
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In the recent edition, The 10 Most Influential Leaders Guiding Corporate Evolution, 2024, The Silicon Leaders magazine gladly features Dejan Štancer, President of the Global Chamber of Business Leaders (GCBL), along with other leaders.
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In this masterclass, presented at the Global HR Summit on 5th June 2024, Luan Wise explored the essential features of social media platforms that support talent acquisition, including LinkedIn, Facebook, Instagram, X (formerly Twitter) and TikTok.
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Presented at The Global HR Summit, 6th June 2024
In this keynote, Luan Wise will provide invaluable insights to elevate your employer brand on social media platforms including LinkedIn, Facebook, Instagram, X (formerly Twitter) and TikTok. You'll learn how compelling content can authentically showcase your company culture, values, and employee experiences to support your talent acquisition and retention objectives. Additionally, you'll understand the power of employee advocacy to amplify reach and engagement – helping to position your organization as an employer of choice in today's competitive talent landscape.
3. Wired Internet Connections
• Dial-up connections
– Standard phone lines and a modem
– Computer dials a number for your ISP
– All Internet programs use the connection
– Applications might need configured
4. Wired Internet Connections
• High-speed broadband connections
– Any connection faster than dialup
– Networks share the broadband connection
• All users access the same connection
• T or DSL lines common
– Home use increasing due to
• Lower cost
• Increased availability
5. Wired Internet Connections
• ISDN
– Offers speeds up to 1.5 Mbps
– Uses standard phone lines
– Requires special equipment
– Simultaneous use of phone and data
6. Wired Internet Connections
• DSL
– Offers speeds up to 30 Mbps
– Uses modified phone lines
• Needs special DSL modem
– Simultaneous use of phone and data
– Asynchronous DSL
• Different up and download speeds
– Synchronous DSL
– Variable DSL
• Speed changes based on traffic
8. Wired Internet Connections
• Cable modems
– Speeds up to 3 Mbps
– Uses cable TV wires
– Requires a cable modem
– Simultaneous use of TV and data
9. Software Accessing The Internet
• Application programming interface (API)
– Simplifies connection to network devices
– Allows any application to access Internet
– UNIX API uses sockets
– Windows API uses winsock
10. Software Accessing The Internet
• Network drivers
– Control access to the hardware
– Ethernet and dial-up require a driver
– API connects to the driver
12. Wireless Internet Connection
• Wireless WAN (WWAN)
– Wireless network over a large area
– Uses radio signals to transfer data
– Speeds range from 1 to 100 Mbps
– Antennas required
– Subject to atmospheric disturbances
13. Wireless Internet Connection
• Satellite services
– Internet access in remote regions
– Suitable for home and office use
– Needs a VSAT at the client
• Very Small Aperture Terminal
• Connects to the satellite
– Modem connects to the VSAT
14. Wireless Internet Connection
• Wireless LANs (WLAN)
– Network without wires
– Connects to a broadband LAN connection
– WAP are wired directly into the LAN
– Nodes use wireless
18. Project due Dec. 28
• Use WWW to find ten best home pages about the
following ten topics and sort
• them by content quality, completeness, and
relevance:
• Trinidad Tobago, San Francisco, Taipei Satellite
Images,
• Systemic Lupus Erythematosus, Stanford University,
Science Citation Index,
• Airbus A380, Benq, Bioinformatics, National Parks in
United States.
• Each of the ten best home pages must have different
domain name.
Editor's Notes
Teaching tip More information on ISDN can be found on webopedia.com/TERM/I/ISDN.html.
Teaching tip For more information on dsl see www.dslreports.com.
Insider information A socket (UNIX or Windows) is a combination of an IP address and a port. For example, connecting to the HTTPS port on machine 192.168.110.15. The socket is 192.168.110.15:443.
Teaching tip Figure 10A.4 on page 387 describes this interaction very well.
Teaching tip Grok Technologies of Pittsburgh PA provides a good example of WWAN plans. Visit www.groktechnologies.com for more information.
Teaching tip Satellite services are not inexpensive. Www.groundcontrol.com is one site offering satellite Internet services.