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Apple discovered the LAN technology that uses bus topology. Its interface is added with all Macintosh computers. It has very low speed i.e. 230.4Kbps. Also it is cheaper and we can get a free with a Macintosh, which is simple to connect and install. It uses CSMA/CA.
Question 1 a) Explain how CSMA/CD works. b) Describe the term "exponential back-off". c) Describe the differences between "circuit switching" and "packet switching". d) Th
Q1 (15 marks, 5 marks each part): This question has three parts: In a short paragraph (200-300 words) explain the fundamentals of Packet Switching and how it works. In a short pa
I have an assignment of Computer Security to submit. Will you guys help me making my assignment???
Cipher Methods There are 2 methods of encrypting plaintext: • Bit stream method – every bit in the plaintext bit is transformed into a cipher bit one bit at a time. • Block cip
Question: a) How many bits per second can be sent on a noiseless 4 MHz channel if four-level digital signals are used? b) If a binary signal is sent over a 3 KHz channel who
Question : (a) What do you meant by the term "Bastion Host"? What is its use? (b) "Hostile" Java applets will do undesirable actions. Mention two problems caused by Hosti
Maximum Transmission Unit (MTU) Each hardware method specification adds the definition of the maximum size of the frame data area, which is known the Maximum Transmission Uni
You have been asked to setup a remote temperature sensing system for an electric furnace. The system consists of a sensor unit which feeds an analogue signal to a PCM encoder. The
Many applications are vulnerable to intrusion attacks and can provide misleading reports about misbehaving nodes. Some of the mechanisms under such a category include the Bayesian
(a) Draw the waveform for an asynchronous transmission with the given specifications: 8 data bits with value 11010001 (LSB listed first here), one parity bit (even), one star
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