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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
Question: a) Name a method to allow a person to send a confidential email to another person, without risks of a third-party reading the email. Describe briefly the operations
Explain in DES Data Encryption Standard : DES stands for Data Encryption Standard and is explained as follows: DES is at present the most widely used key cryptographic systems
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In BUS topology every computer is directly connected to primary network cable in a single way. Bus networks are the easiest way to connect multiple users, but can have problems
USING ICMP TO TEST REACHABILITY: ICMP can also be used to test several tools. An Internet host A, is reachable from another host B, if data packets can be send from A to B. P
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Why is WEP-based authentication pointless?
QUESTION: a) Below is a capture of an Ethernet II frame which has an IPv4 packet and a segment. Provide the source MAC address in hexadecimal; the source IP address, the length
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