Define the problem of rightward drift in an array-based implementation of a queue.
What will be an ideal response?
Rightward drift is the problem of the front of the queue moving toward the end of the array.
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Which of the following best describes an intrusion prevention system?
A. Passive devices that analyze network traffic to detect unauthorized access B. Active devices that sit inline with traffic and can respond to intrusions by disabling the connection, dropping the packet, or deleting the malicious content C. A software or hardware device that can filter incoming or outgoing traffic based on specific rules D. A device that monitors the characteristics of a single host and the events occurring on that host
x = (2, ?1, 0, 2, 0, ?3), y = (?1, 1, ?1, 0, 0, ?1) cosine, correlation
For the following vectors, x and y, calculate the indicated similarity or dis- tance measures.