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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 security enhanced by WPA?
(d) List five measures that will be taken to improve the security in wireless networks.
Question 1 a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "
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Problem (a) The IEEE 802 series of standards describe both the Physical and Data Link layers of their respective technologies. Two important standards are 802.3 and 802.5, respect
(a) Using Fermat's theorem, find 3 201 mod 11. (b) Explain how the Diffie-Hellman key agreement protocol works and what its purpose and main properties are. Consider a Dif
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