David would like to add extra security to his network device. He is afraid that someone might try and connect an unauthorized device to the network via an open network drop.
?
What type of security can David deploy to prevent this type of security issue from occurring?
A. Port filtering
B. MAC filtering
C. VPN
D. Access control list
Answer: B
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The leader algorithm (Hartigan [4]) represents each cluster using a point, known as a leader, and assigns each point to the cluster corresponding to the closest leader, unless this distance is above a user-specified threshold. In that case, the point becomes the leader of a new cluster. Note that the algorithm described here is not quite the leader algorithm described in Hartigan, which assigns a point to the first leader that is within the threshold distance. The answers apply to the algorithm as stated in the problem.
(a) What are the advantages and disadvantages of the leader algorithm as compared to K-means? (b) Suggest ways in which the leader algorithm might be improved.
A parameter variable's scope is __________.
a. the method in which the parameter is declared b. the class to which the method belongs c. the main method d. All of these are true.
To associate an external style sheet with a web page, code:
a. a link element in the body section of the web page b. a link element in the head section of the web page c. a style element in the body section of the web page d. a style element in the head section of the web page
What will appear if a window is too small to display all of the information within the window?
A) Scroll bars B) Restore down button C) Maximize button D) Status bars