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BUS TOPOLOGY
In a bus topology all devices are attached to a single long cable and any device can send data to any other device. For this function, coordination is needed to decide which device has to need the line at what time. The bus topology is given below:
Figure Bus topology
QUESTION (a) Describe the role of DNS root servers in the Internet network. (b) What do you understand by the handover concept in a mobile network? (c) List five meth
In broadcast topology there are further two types 1) SATELLITE\RADIO 2) RING TOPOLOGY In a radio or satellite topology every computers are connected to each other via radio o
B a s i c functions of e-mail system are given as follows: C o mp o sition refers to the procedure of creating messages and the answers. Though any text editor can be
Question 1: (a) With the help of a diagram show the basic structure of a computer system. (b) Explain as fully as you can each of the parts mentioned above. (c) What are
QUESTION (a) FTP is a protocol used for the delivery of files across networks. Explain how FTP works (support your answer with a diagram). (b) How does TCP perform the gi
What is the use of it
STAR TOPOLOGY In this topology, all devices are attached to a central point, which is sometimes known as the "Hub" as given in the diagram below. Figure: An ideal
Question: (a) A string of ciphertext was enciphered using an a±ne transformation of single letters in a 28-letter alphabet consisting of A to Z, a blank and a?, where A to Z ha
Discuss how developers should apply the following countermeasures to improve the security of their code:
Threat Identification After identifying and performing a primary classification of an organization’s information assets, the analysis phase moves onto an examination of threats
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