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Question
An organization is planning to connect its networks to the Internet. The network is located within a four story building. A web server supporting online sales is also connected to this network.
i. Critically discuss a communication channel which will be suitable for providing this link to the Internet.
ii. The LANs can be extended using wireless technology. Critically appraise issues associated with wireless LANs.
iii. Critically compare WiFi with WiMAX technologies and discuss why WiFi is unable to provide similar services as WiMax?
iv. If the network is suffering from low performance and the staff experience long response times when using the network. Discuss possible reasons for this poor performance.
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Question : An aircraft manufacturing company is considering linking the network of one of its offices to the network of its Headquarter using either xDSL or ISDN. i. Compare
Base lining • Organizations do not have any contact to each other • No two organizations are identical to each other • The best practices are a moving target • K
(a) Using the extended Euclidean algorithm, find the multiplicative inverse of 504 mod 67. (b) Decrypt the following ciphertext, which has been encrypted using Caesar cipher:
Question: (a) Draw the waveform for an asynchronous transmission with the following specifications: Character "H", one even parity bit, one start bit, one stop bit, and a b
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QUESTION (In this question, you will need to use the ISO 27001:2005 and ISO 27002:2005 standards) For each of the situations below, comment on the following: 1. Mention
Encode the following plaintext, using the Caesar cipher: LORD OF THE RINGS b) The following ciphertext jw njbh lxmn cx kanjt has been encoded using a
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