In the Windows operating systems, deleting a file performs which of the following actions on the data stored on the surface of the medium?
a. Nothing happens to the data at this point. It is simply moved from the original folder to a hidden folder in the Recycle Bin.
b. Nothing happens to the data at this point. The allocation marker for the file is simply reset.
c. A random deluge of zeroes and ones is copied over the original data.
d. The entry for the file is purged from the $MFT metadata file in the file system.
a.
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Consider the eigenvectors of the normalized Laplacian L norm as graph Fourier basis. Denote the eigenvalues as ? ` and corresponding eigenvector as u `. Answer the following:
(a)
(b)
(c)
Match the following terms to when they are used
I. Wiretap A. When hijackings are suspected II. Pen/Trap Statute B. Used to collect noncontent traffic III. Pen register orders C. Creates a paper tape record of outgoing calls IV. Pen register D. Used when the information likely to be obtained is relevant to an ongoing criminal investigation
Let G be an undirected graph. G is called ____ if any two vertices in G are connected.
A. weakly connected B. completely connected C. strongly connected D. inversely connected
A link displays information from a(n) ____________________ file in the destination file.
Fill in the blank(s) with the appropriate word(s).