Q. Data Encryption Standard is implemented using the Feistel Cipher which employs 16 round of Feistel structure.

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Q. DES stands for ________________

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Q. ____________ carries out all its calculations on bytes rather than using bits and is at least 6-times faster than 3-DES.

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Q. AES stands for ________________

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Q. AES is at least 6-times faster than 3-DES.

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Q. _____________ is another data hiding technique which can be used in conjunction with cryptography for the extra-secure method of protecting data.

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Q. _____________ is hiding of data within data, where we can hide images, text, and other messages within images, videos, music or recording files.

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Q. Steganography follows the concept of security through obscurity.

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Q. The word ________________is a combination of the Greek words ‘steganos’ which means “covered or concealed”, and ‘graphein’ which means “writing”.

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Q. A ________________ tool permits security professional or a hacker to embed hidden data within a carrier file like an image or video which can later be extracted from them.

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Q. Which of the following is not a steganography tool?

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Q. Which of the following is not a steganography tool ?

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Q. The main motive for using steganography is that hackers or other users can hide a secret message behind a ______________

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Q. People will normally think it as a normal/regular file and your secret message will pass on without any _______________

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Q. By using ______________ you can diminish the chance of data leakage.

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