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(a) What is a pseudorandom generator? Give an example describing how it works.
(b) Explain the key components of a wireless network and their purpose.
(c) Describe the authentication used in WEP and WPA. Why is WPA better?
(d) Provide an example of how misconfiguration can put security at risk. Give four measures that may be implemented to improve security.
(e) Explain the schemes for distribution of public keys. In what ways are they vulnerable? What enhancement is given by Kerberos
ADDRESS RESOLUTION AND PROTOCOL ADDRESSES Address resolution (ARP) is a network interface layer protocol. Protocol addresses are used in all upper layers. Address resolution s
Confidentiality Confidentiality of information ensures that only those with sufficient privileges may access specific information. When unauthorized individuals can access inform
ACCESS CONTROL DEVICES Successful access control system includes number of components, which depends on system’s requirements for authentication and authorization. Powerful auth
Simplex data exchange Simplex communication defines to communication that happens in one direction only. Two definitions have made over time: a common definition, which is des
Q. Develop a completely secure WSN based on the triple key? Wireless network is the most vulnerable type of network to security attack. Unauthorized access to wireless network
Government funding has been given to a university consortium establishing a repository of resources for school teachers. They have engaged you to develop a search facility for teac
W h a t do you understand by the terms security, network security and information security? How network security and information security are connected? Security can be def
Protocols for Secure Communications Securing Internet Communication by using S-HTTP and SSL Secure Socket Layer (SSL) protocol is a protocol that uses public key encryption t
RING TOPOLOGY In this topology of network the devices are connected to each other in packed loop. In this network first computer passes data packet to the second and then seco
Question 1: (a) With the help of a diagram show the basic structure of a computer system. (b) Explain as fully as you can each of the parts mentioned above. (c) What are
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