What is cryptanalysis?
What will be an ideal response?
As long as people attempt to create encryption algorithms to protect data, others will endeavor to break those encryption algorithms. This study is called cryptanalysis. It's taught in universities and by government organizations, but hackers also find the challenge of breaking an encryption algorithm intriguing and continue to push the envelope for developers of encryption algorithms. When a new encryption algorithm is developed, cryptanalysis is performed on it to ensure that breaking the code is impossible or would take so much time and so many resources to break that it would be impractical for hackers to attempt.
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Calculate the blocking factor bfr and the number of file blocks b assuming an unspanned organization.
Consider a disk with block size B=512 bytes. A block pointer is P=6 bytes long, and a record pointer is P R =7 bytes long. A file has r=30,000 EMPLOYEE records of fixed-length. Each record has the following fields: NAME (30 bytes), SSN (9 bytes), DEPARTMENTCODE (9 bytes), ADDRESS (40 bytes), PHONE (9 bytes), BIRTHDATE (8 bytes), SEX (1 byte), JOBCODE (4 bytes), SALARY (4 bytes, real number). An additional byte is used as a deletion marker.
The term ____ means that the camera moves in closer to get a tighter shot of something, so that it fills more of the screen.
A. zooming in B. panning in C. panning out D. zooming out
A ________ is a device that connects two LANs or two segments of the same LAN.
A. repeater B. router C. bridge D. hub
What is white space? What is the difference between active and passive white space?
What will be an ideal response?