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INTRODUCTION TO CRYPTOGRAPHYCryptographyThe word cryptography is derived from Greek words kryptos, which means hidden and graphein, meaning to write, this is the process of making and by using codes to secure transmission of the information.EncryptionEncryption is the procedure of converting an original message into a form which is not readable by unauthorized individuals.DecryptionDecryption is process of converting cipher text message back into plaintext.CryptanalysisCryptanalysis is process of obtaining original message from encrypted message without knowing the algorithms and keys used to perform encryption.CryptologyCryptology is science of encryption that combines cryptography and cryptanalysis both
Wireless Networks The origin of wireless networks and their ubiquity in the technological environment poses a new type of exposure and vulnerability for network security. Cont
for making the assignment
Question: (a) Which type of attacker represents the most likely and most damaging risk to your network? (b) What is the basic reason that social engineering attacks succeed?
Advantages and Disadvantage of Packet Filtering firewall Advantages One screening router can help protect entire network One key advantage of packet filter
?Examples should include direct costs items, indirect costs items, as well as variable costing. ?What are at least 5 types of expenses that are associated with manufacturing the
How to check Network working
CARRIER SENSE MULTIPLE ACCESS (CSMA) There is no central access management when computers transfer on Ethernet. For this solution the Ethernet employs CSMA to coordinate tran
Scenario: A network with individual hosts (really, virtual machines) can run HTTP (web) servers that are available to the outside. (Here, available means the ability to read and wr
Consider the following case study: In order to avoid criticisms of their existing manned road-toll payment system on its private road, WS-Pass has decided to adopt an automated
The best results obtained in the PIIT classes have been when the technique has been used in tutorial groups, rather than have students submit individual reflections on particular c
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