Compare and Contrast Analog and Digital Transmission Wave Structure – Analog o an analog waveform o similar to sound and light – Digital o a square waveform o only two voltage levels, each representing binary 1s and 0s Transmission – Analog o Transmits by modulating a carrier wave’s frequency, amplitude, or phase o Bandwidth will […]
Read MoreInformation Security exam paper-GUJARAT UNIVERSITY-DEPARTMENT OF COMPUTER SCIENCE ROLLWALA
Department of Computer Science Rollwala Computer Centre Gujarat University M.Tech – I (Networking & Web Technology) Sessional – II Subject: Information Security Date: 21 /12 / 2012 Time: 1 hrs & 30 min Max. Marks: 40 Que: 1 Attempt the following: [20] (A)What is time-of-check to time-of-use errors? (B) What is the need of tagged […]
Read MoreFrequently Asked Questions In Information/Network Security
Frequently Asked Questions and their weight-age 1. Briefly describe the security services. (8) 2. Explain classical encryption techniques(Steps involved in each encryption technique like Caesar cipher, playfair cipher, hill cipher, vigenere cipher, one time pad cipher, rail fence, etc) 3. Explain about steganography,transposition cipher. 4. Describe the key generation of DES and encryption algorithm(8/16) 5. […]
Read More