E-LEARNING SOURCES IN COMPUTER NETWORKS SECURITY

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Presentation transcript:

E-LEARNING SOURCES IN COMPUTER NETWORKS SECURITY Dr. K. Ravikumar Assistant Professor Department of Computer Science Tamil University, Thanjavur-10 ravikasi2001@yahoo.com ravikasi2008@gmail.com

Networks Interconnect collection of all autonomous computers. Resource sharing Information sharing Computer network is a digital telecommunications network  Computing devices exchange data with each other using connections.

Internet Connection Components MODEM-Modulation Demodulation Analog signal into Digital Signal Digital Signal Into Analog Signal Telephone-Backbone of the internet Personal Computer

Machine IP Address Your Machine IP Address - :14.139.181.209 To find the server Location To identify the Database IP Address is false ,Do not identifying the website address

Password Strength Password contains minimum 8 characters Upper case letter Lower case letter Numbers Symbols Special Characters and brackets Example Kq67+*@!$)