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A Certificate presents an organization in an official digital form. This is same to an electronic identity card which serves the purpose of Identifying the owner of the certificate. This is done with authenticating the owner through trusted 3rd parties named the certificate authorities (CA) e.g. Verisign etc. The Authorities digitally signs these certificates. When the user represents the certificate the recipient checks it by using the digital signature.
Distributing the owner's public key to his/her users (or recipients of the message).The server certificates let visitors to your website interchange personal information like credit card number etc with the server with the confidence that they are interacting with intended site and not the rogue site impersonating the intended site.
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The three primary types of network protection are the same as the three primary areas where a network can be attacked. Every network needs protection against people-related, hardwa
Question: (a) What is Network Address Translation (NAT)? Why is it used? (b) Given a following information by your ISP about your newly acquired Frame Relay connection:
A full-duplex (FDX) , accepts communication in both ways, and, unlike half-duplex, accept this to occur simultaneously. Land-line telephone networks are full-duplex, since they
Question: (a) Your office administrator is being trained to take server backups. Which authorization model could be ideal for this situation: MAC, DAC or RBAC? Justify your a
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(a) What are the different architectures for wireless networks? (b) Explain how WEP authentication and encryption works, describe the vulnerability. (c) In what ways are secu
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Hybrid Cryptography Systems This makes use of different cryptography systems. Except digital certificates, pure asymmetric key encryption is not used extensively. Asymmetric enc
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