A computer ______ consists of connected computers, mobile devices, printers, and data storage devices that share computing resources and data.
A. Internet
B. network
C. web
D. hotspot
Answer: B
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Each color mode uses a numerical method called a color ____, which describes the color.
a. gamut b. depth c. index d. space
Which of the following statements is false?
a. Classes (and their objects) encapsulate, i.e., encase, their attributes and methods. b. A class’s (and its object’s) attributes and methods are intimately related. c. For objects to communicate effectively with one another, each must know how the other object is implemented. d. Information hiding is crucial to good software engineering.
Write SQL statements to do the following:
Assume that the following table is created and stored in your database: Staff (staffNo, name, post, salary, sex, DOB) (a) Increment the salary of managers by 5%; (b) Remove the records of all 'salesmen' from the Staff table; (c) List the Staff table tablespace name, pctfree, and pctused.
A technician has been tasked with installing and configuring a wireless access point for the engineering department. After the AP has been installed, there have been reports the employees from other departments have been connecting to it without approval. Which of the following would BEST address these concerns?
A. Change the SSID of the AP so that it reflects a different department, obscuring its ownership B. Implement WPA2 encryption in addition to WEP to protect the data-in-transit C. Configure the AP to allow only to devices with pre-approved hardware addresses D. Lower the antenna's power so that it only covers the engineering department's offices