When a signal is reflected back to the transmitting equipment, it is called a(n) _________.
a. white noise
b. echo
c. crosstalk
d. attenuation
e. impulse noise
Answer: b. echo
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You can make a presentation ____, which means that others can read but cannot modify the presentation.
A. change-free B. modify-free C. read-only D. look-only
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A. clockrate B. baud C. bbps D. baudrate
IP ______ occurs when an intruder computer fools a network into believing its IP address is associated with a trusted source.
Fill in the blank(s) with the appropriate word(s).