What is Triple Data Encryption Standard (3DES)?
What will be an ideal response?
Triple Data Encryption Standard (3DES) served as a quick fix for the vulnerabilities of DES. To make it more difficult for attackers to crack the encryption code, 3DES performs the original DES computation three times with different keys. This more complex computation on data makes 3DES much stronger than DES.
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Consider a set of documents. Assume that all documents have been normal- ized to have unit length of 1. What is the “shape” of a cluster that consists of all documents whose cosine similarity to a centroid is greater than some specified constant? In other words, cos(d, c) ? ?, where 0 < ? ? 1.
What will be an ideal response?
When referring to hard drives, access time is measured in ________
A) milliseconds B) kilobytes C) bps D) megahertz
When entering numbers in a worksheet, the default format is the ________ format
A) General B) Numeric C) Decimal D) Normal
Which of the following is the BEST reason for salting a password hash before it is stored in a database?
A. To prevent duplicate values from being stored B. To make the password retrieval process very slow C. To protect passwords from being saved in readable format D. To prevent users from using simple passwords for their access credentials