Explain what a digital watermark is and how it's used with data.
What will be an ideal response?
In addition to steganography, digital watermarking was developed as a way to protect ?le ownership. Some digital watermarks are designed to be visible-for example, to notify users that an image is copyrighted. The digital watermarks used for steganography aren't usually visible. For example, when viewing two ?les that look the same, but one has an invisible digital watermarking, they appear to be the same ?le. Their ?le sizes might even be identical. However, if you run an MD5 or SHA-1 hash comparison on both ?les, you'll ?nd that the hash values aren't equal. ?
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What is the consistency issue raised by state transfer?
What will be an ideal response?
What does a key derivation do?
What will be an ideal response?
To format tables, one can find the Table Styles gallery on the _____.?
A. ?Table Options Layout tab B. ?Table Tools Design tab C. ?Plain Tables tab D. ?Quick Tables tab
An office laser printer is printing lighter in random areas. Which of the following is the EASIEST solution to implement for this issue?
A. Clean the drum with a computer vacuum. B. Replace the toner cartridge. C. Clean the fuser area with a lint free cloth. D. Use a can of compressed air to clean the pickup assembly.