A world of Digital Connection

Introduction to Computer Networks

Objectives for the lessons

• Be able to define what a computer network is
• Describe the different functions of network devices / hardware
• Distinguish between host and a server computer, P2P network, 
• Describe the different network types and Wireless network
• Examine the different network typologies

Watch the Ted video

History of Computer

https://www.youtube.com/watch?v=m7WTcB0-g5Q

All computer devices can be hacked

http://www.ted.com/talks/avi_rubin_all_your_devices_can_be_hacked

How computer network impact our lives

https://www.youtube.com/watch?v=p6BPnbui4Bk

https://www.todaysmilitary.com/careers-benefits/career-fields/cybersecurity-and-information-technology

Network Devices and Hardware

Examples of network devices

https://fossbytes.com/networking-devices-and-hardware-types/

http://www.certiology.com/computing/computer-networking/network-devices.html

Define what a computer network is;

What are the different types of Computer networks

• LAN
• WAN
• MAN
• VLAN
• PAN
• SAN

Client, Host, Server Computer;

https://learntomato.com/what-is-a-client-what-is-a-server-what-is-a-host/

Network Communication Media

http://what-when-how.com/data-communications-and-networking/communication-media-data-communications-and-networking/

https://www.youtube.com/watch?v=Mlnl4UpD3Lg

Network Topologies

https://www.studytonight.com/computer-networks/network-topology-types

https://www.comparitech.com/net-admin/network-topologies-advantages-disadvantages/

Cloud computing

• Definition of cloud computing
• What are the different cloud computing service providing companies?
• What are the common cloud services provided by these companies?
• How does cloud computing function? Describe it main features
• list the key advantages and disadvantages of Cloud computing
• What are common social / ethical issues arising from using cloud computing services.

http://www.slideshare.net/ProfEdge/introduction-to-cloud-computing-23970527

https://www.youtube.com/watch?v=uYGQcmZUTaw

http://www.explainthatstuff.com/cloud-computing-introduction.html

https://www.youtube.com/watch?v=uYGQcmZUTaw

https://www.youtube.com/watch?v=QJncFirhjPg

https://www.youtube.com/watch?v=DGDtujmOBKc

Computer Network Problems and solutions

Write brief notes on the following;

1. What are the common Network security problems and solutions?

https://securitytrails.com/blog/top-10-common-network-security-threats-explained

https://securityfirstcorp.com/the-top-9-network-security-threats-of-2019/

https://www.getcybersafe.gc.ca/cnt/rsks/cmmn-thrts-en.aspx

https://www.cybrary.it/0p3n/top-10-network-security-threats-security-measures/

https://www.clickssl.net/blog/network-security-threats-and-their-solutions

https://searchsecurity.techtarget.com/feature/Ten-ways-to-prevent-insider-security-threats

https://www.theamegroup.com/network-security-threats/

Cloud Computing News

Cloud Computing Transform lives in India

https://cio.economictimes.indiatimes.com/news/cloud-computing/ai-enabled-cloud-to-transform-millions-of-lives-in-india/71646634

https://cio.economictimes.indiatimes.com/news/cloud-computing/transform-digital-dreams-into-reality-with-cloud-and-data/72008863

Based on the two article above write two questions you would want answers for;

Surgery and Cloud

https://www.infoworld.com/article/3448549/what-surgery-taught-me-about-the-cloud.html

Find cloud computing articles applied in the following application areas;

• Education and Training
• Business and employment
• Environment
• Politics and Government
• Home & Leisure 
• Health

Computer networks basics

https://www.youtube.com/watch?v=JvXro0dzJY8&index=1&list=PLtJDAcNXilyT-ykli3snQsu3Xe5FlA37Y

Notes Slideshare

http://www.slideshare.net/ASHadventurelover/introduction-to-computer-network-33788727

http://www.slideshare.net/makyong1/basic-concepts-of-computer-networks?next_slideshow=1

http://www.slideshare.net/makyong1/basic-concepts-of-computer-networks

http://www.slideshare.net/hemangkothari/lecture-1-introduction-to-computer-network-2013

Activity for Monday 18/11/2019

Prepare a short 5 presentation to explain in detail the concept (s)/term (s) assigned; Your brief notes should be kept in your OneNote page.

Aly; Grid Processing

Edrina: Distributed Processing

Alina; Network Protocols

Yesha: Bandwith

Khusbhu: Synchronous transmissions

Ashhal: Asynchronous transmissions

Saliha: Bit rates

Aimaan: secure socket layer (SSL),

Herzi: Broadband connection

Sophie: Network Audit trails.

Raphael: Encryption

Hisham: Keystroke Monitoring

Jai: network surveillance

Faith: Physical network security

Shaan:(Association for Computing Machinery)
Simin: Biometrics network access

Adnaan: Network licences

Nami: Firewalls

Tia: Proxy Servers

Shiloh: Data Centres

Armaan: Network policies

Resources 

Types of computer networks

http://freewimaxinfo.com/computer-networks-types.html

Wireless networks

http://freewimaxinfo.com/wireless-network.html

Network topologies

http://freewimaxinfo.com/computer-network-topologies.html

Network Devices

http://wifinotes.com/computer-networks/network-communication-devices.html

Ethical Dilemmas facing Developers today

http://www.infoworld.com/article/2607452/application-development/12-ethical-dilemmas-gnawing-at-developers-today.html

Analyse one of the dilemmas and share your views.

Ethical issues for computer network security professionals

http://www.computerworld.com/article/2557944/security0/ethical-issues-for-it-security-professionals.html