What is the name of the device that gives a customer a physical and data link high-speed connection onto the Internet via existing telephone wiring?
A) DSL modem
B) Dial-up modem
C) Router
D) Ethernet switch
E) Cable modem
A
Explanation: A) A DSL modem provides a physical and data link high-speed connection onto the Internet via existing telephone wiring infrastructure.
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To avoid identity theft from your discarded computer equipment, you can run ____ to overwrite all hard disk sectors with random bits.
A. file shredder software B. deleted data restabilizers C. the Recycle Bin D. DVDs
Calc's ________ adds the numbers within a range of cells
Fill in the blank(s) with correct word
The efficiency of the sequential search is ____.
A. O(n) B. O(n log n) C. O(log n) D. O(n/2)
A virtual private network:
A. is a password-controlled network for private users rather than the general public. B. is a private network within a public network. C. is an Internet facility that links user sites locally and around the world. D. defines the path to a facility or file on the web. E. none of the above is true.