Match each term with the correct statement below.

A. the process of sending multiple signals simultaneously
B. an IEEE 802.11a error correction technique that transmits a secondary copy along with the primary information
C. a modulation technique that uses a range of frequencies that change during the transmission
D. the difference between the upper and lower frequencies
E. an IEEE 802.11a modulation technique that increases the amount of data encoded to 250 Kbps per channel
F. a proprietary transmission scheme used to double the effective rate of an
802.11a network
G. sharing a frequenct band between similar devices
H. a modulation technique that splits a single high-speed digital signal into several slower signals running in parallel
I. a delay built-in into the receiver to allow for late-arriving symbols

A. multiplexing
B. Forward Error Correction
C. FHSS
D. bandwidth
E. quadrature phase shift keying
F. turbo mode
G. colocation
H. orthogonal frequency division multiplexing
I. guard interval

Computer Science & Information Technology

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A domain name is used to identify one or more IP addresses or URLs to a particular web page. Which of the following sections are needed to make a complete domain name, from the end of the name to the start? (Choose all that apply.)

a. Top-level domain b. Name of the site c. Second-level domain d. Subdomain

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A digital camera resolution is expressed in

A. dpi B. rpm C. pda D. megapixels E. betapixels

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