What technique, in which multiple phones take turns sharing a channel, does the Global System for Mobile Communications (GSM) use?
a. Orthogonal Frequency Division Multiplexing
b. Time Division Multiple Access
c. Enhanced Data GSM Environment
d. Code Division Multiple Access
ANSWER: b
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Match the following descriptions to their meanings:
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In which type of attack does the attacker use a web application to send a malicious code to the end user?
a. SQL injection attack b. DOS attack c. Invalided input attack d. Cross-side scripting (XSS) attack