Which of the following refers to the maximum amount of time a system resource can be unavailable before there is an unacceptable impact on other system resources or business processes?
A) Maximum tolerable downtime
B) Maximum tolerable uptime
C) Recovery time objective
D) Recovery point objective
C) Recovery time objective
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Use the similarity matrix in Table 8.1 to perform single and complete link hierarchical clustering. Show your results by drawing a dendrogram. The dendrogram should clearly show the order in which the points are merged.
(b) Do both sets of centroids represent stable solutions; i.e., if the K-means
algorithm was run on this set of points using the given centroids as the
starting centroids, would there be any change in the clusters generated?
(c) What are the two clusters produced by single link?
(d) Which technique, K-means or single link, seems to produce the “most
natural” clustering in this situation? (For K-means, take the clustering
with the lowest squared error.)
(e) What definition(s) of clustering does this natural clustering correspond
to? (Well-separated, center-based, contiguous, or density.)
(f) What well-known characteristic of the K-means algorithm explains the
previous behavior?
__________ separates the case label from the code that will execute if the case label matches the controlling expression.
a) A colon b) An underscore c) Keyword break d) A semicolon
You need to write a script that will run on both the Mac OS and Windows. Which scripting language should you use?
What will be an ideal response?
The ____ command on the Adjustments submenu produces a grayscale image but leaves the image in the same color mode, usually rendering a flat, uninspiring version.
a. Black and White b. Grayscale c. Desaturate d. Colorless