A printer on the second floor is not printing for anyone. However, the printer has power and displays ready on the LCD display. There is paper in the trays and the toner was recently changed. The system administrator goes to the location with a laptop and tests the network port and is able to connect. Jobs are being queued on the local machines. Which of the following should the system administrator do to get the printer functioning again?
A. Move the printer to a known good port and connect to the network
B. Replace the network cable to the printer
C. Verify the server's print spooler service is running
D. Attach the printer directly to the laptop and print a test page
Answer: C. Verify the server's print spooler service is running
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A database management system provides a number of facilities, which will vary from system to system. Describe the type of facilities you might expect, especially those that aid the initial implementation of a database and its subsequent administration.
What will be an ideal response?
NOS software is needed
a. on all computers in a client/server network. b. only on the servers in a client/server network. c. only if a communications server is deployed on a client/server network. d. only when configuring a network in a star topology.
The table below lists customer/car hire data. Each customer may hire cars from various outlets throughout Glasgow. A car is registered at a particular outlet and can be hired out to a customer on a given date.
 (a) The data in the table is susceptible to update anomalies. Provide examples of how insertion, deletion, and modification anomalies could occur on this table. (b) Identify the functional dependencies represented by the data shown in the table. State any assumptions you make about the data. (c) Using the functional dependencies identified in part (b), describe and illustrate the process of normalization by converting Table 1 to Third Normal Form (3NF) relations. Identify the primary and foreign keys in your 3NF relations.
When the ++ operator appears before a variable, it is called a ____ increment operator.
A. basic B. standard C. postfix D. prefix