………is a communication medium where data are transformed into light pulses. 

The network database model uses………..

What is the default maximum number of processes that can exist in Linux (with a 32-bit platform)

Which method of database recovery involves undoing unwanted changes to the database, such as undoing a partially completed transaction interrupted by a power failure

Which type of software is best used with specific questions to verify hypotheses

Which of the following is not a benefit of networks