The third PCS technology was ____ and used a different form of time division multiple access technology.?
A. ?Global System for Mobile (GSM) Communications
B. ?Time Division Multiple Access (TDMA)
C. ?Code Division Multiple Access (CDMA)
D. ?Digital-Advanced Mobile Phone Service (D-AMPS)
Answer: A
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In an Internet election system, each voter is sent a PIN in the mail. When that voter wants to vote at the election web site, she enters her PIN and her vote, and then a voting transaction is executed. In the voting transaction, first the PIN is checked to verify that it is valid and has not been used already, and then the vote tally for the appropriate candidate is incremented. Two tables are used: One contains the valid PINs together with an indication of whether or not each PIN has been used and the other contains the names of the candidates and the vote tally for each. Discuss the issues involved in selecting an appropriate isolation level for the voting transaction. Discuss the issues involved in selecting appropriate isolation levels if a new(read-only) transaction is introduced
that outputs the entire vote tally table. What will be an ideal response?
A waiting thread transitions back to the ________ state only when another thread notifies it to continue executing.
a. runnable b. terminated c. new d. blocked
In addition to offering certifications, name two other services that CompTIA provides its members.
What will be an ideal response?
In the figure above, which number refers to the button that displays an image at 100% magnification.
A. 1 B. 2 C. 3 D. 4