The question of computer networks

QUESTION 1: If one of the links to a computer on a physical star topology is served, what will be the result? A. The entire network will stop working. B. The affected link and the adjacent network links will stop working. C. Only the affected link will stop working. D. Only the adjacent links will stop working. Answer: C In the star topology each computer is connected to a central point by a separate cable or wireless connection. Thus each computer has a dedicated link to the network central device and a break in the link between a particular computer...

325p mebonmay89 28-09-2010 140 27   Download

The Ethel McKnight School is planning to use computers to conduct the biennial exams. The school’s staff is planning to minimize the use of paper and risk of tampering or loss of answer sheets by implementing this new system. Students answer the question papers online and the answer sheet is saved as a text file. These answer sheets are then uploaded by the exam administrator on to the school’s server. The examiners would then access the files and evaluate the answers.

1p vudung75 20-04-2011 75 6   Download

Data networks developed as a result of business applications that were written for microcomputers. At that time microcomputers were not connected as mainframe computer terminals were, so there was no efficient way of sharing data among multiple microcomputers. It became apparent that sharing data through the use of floppy disks was not an efficient or cost-effective manner in which to operate businesses.

2p liemhang 23-01-2011 91 6   Download