Abstract class or an interface
What is the difference among an abstract class or an interface?
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An abstract class might have fields and certain implemented techniques. An interface has no implementation, just constants and declarations of method.
List some of the applications of Bluetooth?
Define the term GPS? Briefly explain it.
Name the three technology layers in backbone design? List the favoured technologies used in each of such layers.
Describe logical link control?
What is Structured Query Language or SQL?
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Briefly explain some of the disadvantages of the VoIP?
Write down the role of IP in TCP or IP protocol suite.
Write down the types of calendars in the single interface.
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