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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.
Transposition technique
CSMA/CA Wireless needs collision avoid ness rather than collision checking. Transmitting computer puts very short codes to receiver. Receiver responds with short message getti
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Border Gateway Protocol It is a protocol needed to advertise the set of networks that can be achieved within an autonomous machine. BGP activates this information to be shared
Issue-Specific Security Policy (ISSP) The ISSP addresses specific areas of technology, needs frequent updates and having statement on organization’s position on a particular iss
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Selecting a Risk Control Strategy Risk controls involve selecting one of the 4 risk control strategies for every vulnerability. The flowchart is shown in the figure given below
QUESTION (a) Briefly explain the contents of the Needs Analysis, which is step in the process of network design. (b) Describe on the three ways of improving the performan
Problem (a) Describe RSA algorithm with an example. (b) Answer the following RSA encryption, given the values of the primes are: p = 17, q = 11 and choosing e = 7. (c)
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
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