Bar code readers use ________ embedded in them to read bar codes.
A. photoelectric cells
B. magnetic cells
C. coprocessors
D. RFID microchip
Answer: A
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The icon that shows network strength also indicates that a network is ____.
A. permanent B. secured C. static D. dynamic
Which of the following statements is false?
a. The following code deletes all of the list’s elements: del numbers[:] b. The del statement can delete any variable. c. The following code deletes the variable numbers from the interactive session, then attempt to display the variable’s value, causing a NameError: del numbers d. After deleting numbers from the interactive session, attempting to display it displays an empty list.
Form specify attributes such as size and position.
a) nodes b) inputs c) properties d) title bars
All of the following are extra precautions you can take to secure a wireless network except ________.
A. change your network name (SSID) B. enable SSID broadcast C. turn on security protocols D. create a passphrase