Which of the following is true about the frequencies 802.11b uses?
A. 28 total, 22 used in Japan and China
B. 14 total, only 11 used in the U.S.
C. 22 total, only 14 used in Europe
D. 52 total, 48 usable
Answer: B
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In a graph with v vertices and e edges, which of the following maxi mum sizes is not correct for a shortest path computation?
a. v for the number of adjacency lists b. e for the total size of all adjacency lists c. e for the size of the dictionary d. v for the size of the queue e. all of the above are correct
By default, all cells in a worksheet are locked
Indicate whether the statement is true or false
Which of the following statements is true?
a. the longer the distance of a telephone wire between sender and recipient, the lower the bandwidth across that wire b. the shorter the distance of a telephone wire between sender and recipient, the lower the bandwidth across that wire c. bandwidth is constant across any wire, therefore distance is not relevant to its capacity d. the longer the distance of a telephone wire between sender and recipient, the higher the bandwidth across that wire e. bandwidth is not a term that can be used when discussing telephone transmissions
In order to enter a high-security data center, users are required to speak the correct password into a voice recognition system. Ann, a member of the sales department, overhears the password and later speaks it into the system. The system denies her entry and alerts the security team. Which of the following is the MOST likely reason for her failure to enter the data center?
A. An authentication factor B. Discretionary Access C. Time of Day Restrictions D. Least Privilege Restrictions