A ________ tends to have categories of information on its home page that lets you narrow down your search results from the beginning
A) search engine B) web portal C) metasearch engine D) subject directory
B
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To turn the visibility for layers on and off, you can press ____ on the visibility icon for the layer you wish to view.
a. ESC+click b. CTRL+click c. ALT+click d. SHIFT+click
?Leveling _____.
A. ?uses a series of increasingly detailed data flow diagrams (DFDs) to describe an information system B. ?ensures that the input and output data flows of the parent data flow diagram (DFD) are maintained on the child data flow diagram (DFD) C. ?uses a series of increasingly sketchy data flow diagrams (DFDs) to describe an information system D. ?ensures that the input and output data flows of the child data flow diagram (DFD) are maintained on the parent data flow diagram (DFD)
In a Windows system, a container that holds user accounts and defines the capabilities of its members is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements best describes the preamble of an Ethernet frame?
A. It contains the CRC. B. It includes a 7-byte series of alternating ones and zeroes followed by a 1-byte Start Frame. C. It contains the MAC address of the source and the destination. D. It contains the IP address of the source and the destination and is used by routers to deliver the frame to the proper location.