Which type of attack cripples the network and prevents legitimate users from accessing network resources?
A. buffer overflow
B. session hijacking
C. social engineering
D. denial-of-service
Answer: D
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The simplest statistical test is to measure the _________ of a parameter over some historical period, which would give a reflection of the average behavior and its variability. ? ?
A. multivariate ? B. mean and standard deviation C. time series ?? D. Markov process
It is important that the fit among the ________, ________ and ________ all correspond.
A) user; computer; task B) user; display; task C) designer; computer; task D) user; display; feedback
____ allows the running of multiple workstation operating systems, such as Windows XP, Windows 7, and Linux, on one computer.
A. Platform or system virtualization B. System or environment virtualization C. Server or resource virtualization D. Workstation or PC virtualization
A(n) _____ presentation provides the audience with background information, knowledge, and specific details about a topic.
A. persuasive B. informative C. training D. balanced