The minimal set of super key is called


Options: Primary key B. Secondary key C. Candidate key D. Foreign key

Ans:– C ,


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Which of the following, is necessary to work on a computer
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Ans:B ,B


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Doubling the operating frequency of an inductive circuit:
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A subtype discriminator is which of the following?
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A common reason for changing an information system is
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A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts? A crossover cable should be used in place of the straight-through cable. A rollover cable should be used in place of the straight-through cable. The subnet masks should be set to 255.255.255.192. A default gateway needs to be set on each host. The subnet masks should be set to 255.255.255.0.
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