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a) Wireless local area network (WLAN) technologies constitute a fast-growing market introducing the flexibility of wireless access into office, home, or production environments. Give two advantages and two disadvantages of WLANs.
b) There are modes of wireless networks. One is known as an infrastructure network and the other one is the ad-hoc network. Show two diagrams to represent each one of them, putting emphasis on the difference between them.
c) Name an example of each type of the wireless network named above.
d) Outline two popular standards of the IEEE 802.11x Wi-Fi standard. Specify the operating frequency and speed of each standard.
e) Name one security issue with this wireless technology (IEEE 802.11x) and describe how this issue will be addressed.
f) With the aid of a diagram, show the architecture behind the Bluetooth technology.
MAC Address The address for a machine as it is identified at the Media Access Control (MAC) layer in the network structure. MAC address is generally stored in ROM on the n
crack the secret message and explain how the code works. The clue is that it has something to do with the computer keyboard. J-Q-H-6 Q-E-F-Q-H-D-3-W 8-H 5-Y-3 7-W-3 9-R--D-9-J
Netfilter Firewall Netfilter is the popular name for the packet filtering system installed by default in the Linux kernel. The filtering system can be used as a very effective
Risk Determination For purpose of relative risk assessment, risk equals probability of vulnerability occurrence TIMES value MINUS percentage risk already controlled PLUS an elem
what is an SSID?
Explain how can we achieved privacy in an e-mail system. The full form of PEM is Privacy Enhanced Mail: PEM is the internet Privacy Enhanced Mail standard adopted
Internet Protocol IP Gives computer-to-computer communication. Host and receiver addresses are computers. This is also known machine-to-machine communication.
a. PKI and PGP are two methods for generating and managing public keys for use in protocols such as secure email. Compare and contrast the trust models for public keys used in PKI
INTRODUCTION TO RISK MANAGEMENT Risk management is the procedure of identifying and controlling risks facing an organization. Risk management is the discipline which is employed
ADDRESS RESOLUTION WITH TABLE LOOKUP : Resolution needs data structure that has information about address binding. A distinct address-binding table is used for every physical n
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