With respect to data input, the most accurate description of batch control is
Options: dividing documents to be entered into batches, controlling the input of each input clerk, comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system, All of the above
Options: (A)Non-trivial extraction of implicit previously unknown and potentially useful information from data(B) Set of columns in a database table that can be used to identify each record within this table uniquely (C) collection of interesting and useful patterns in a database (D) none of these 5
To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met? Each end of the trunk link must be set to the IEEE 802.1e encapsulation. The VTP management domain name of both switches must be set the same. All ports on both the switches must be set as access ports. One of the two switches must be configured as a VTP server. A rollover cable is required to connect the two switches together. A router must be used to forward VTP traffic between VLANs.
Options: Tables group on the Insert ribbon and click the Split Table button
B. Split group on the Layout ribbon and click the Split Table button
C. Merge group on the Layout ribbon and click the Split Table button
D. Split group on the Table ribbon and click the Split Table button
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
.Â Â Which of the following is not a way to cut text ?
Options: a. Select the text and press the delete button b. Select the text and select Edit, Cut from the menu c. Select the text and click the Cut button on the toolbar d. Select the text and press Ctrl + X
Which one of the following statements is true for the currents in a parallel RL circuit?
Options: The total current is equal to the sum of the currents through the resistance and inductance, The current always has the same amplitude and phase for every part of the circuit, The total current is less than the sum of the currents through the resistance and inductance, The total current leads the total voltage by less than 90
Many large organizations have information _____ where managers can use fourth-generation languages to retrieve the facts they need from online data bases, and where staff experts are available to provide PC hardware/ software guidance.