Data System management has long-term viability as a separate business function because
Options: It requires much technical knowledge, It requires large investments, Specialists in data systems cannot be integrated into a marketing or manufacturing organization, An integrated database accessible to all requires independent management
Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?
Which one of the following statements most accurately reflects the nature of ac power?
Options: The current in an ac circuit flows in one direction, but changes value periodically, The current in an ac circuit flows in one direction at a steady level, The current in an ac circuit changes direction periodically, The current in an ac circuit flows in two directions at the same time
Which one of the following statements most accurately describes the nature of inductive reactance?
Options: Inductive reactance is an opposition to current flow in dc circuits, Inductive reactance is an opposition to current flow in ac circuits, Inductive reactance is another term for counter emf, Inductive reactance is a force that tends to overcome the effects of counter emf