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Q. Show the Data Encryption Standard?
Data Encryption Standard
- Bit-level encryption method designed by IBM
- Adopted as standard for nonmilitary and nonclassified use
- Encrypts 64-bit plain text using a 56-bit key
- Uses 19 different and complex procedures of transpositions, substitutions, swapping, exclusive ORs, and rotations to create a 64-bit ciphertext.
What are the threats include in computer software The second component vulnerable to threats to the system is software. Threats to software may include, but are not limited to
Question 1 Explain FDM and TDM with example Question 2 Define B-ISDN and explain its services Question 3 What is symmetric key cryptography? Describe one symmetric
What is a LAN? LAN stands for Local Area Network. It refers to the connection among computers and other network devices that are located within a small physical location.
PPTP use for encryption and authentication
University of Wolverhampton School of Technology 6CI007 Database Server Management Resit Assessment Hand in December 14th 2012 In this assignment you will build a small database t
How many types of twisted pair cable are there We can find two types of twisted pair cables, namely: Unshielded Twisted Pair Cable (UTP) and Shielded Twisted Pair Cable (STP).
What is Redundancy? The method of including extra information in the transmission solely for the purpose of comparison. This technique is known as redundancy.
How LANs connected to Internet. Doubling every 18 months means factor of four gains in 3 years. In 9 years, gain is then 43 or 64, which leads to 6.4 billion hosts. My intuitio
Question: a) In a wireless network where WEP is enforced as security mechanism, what procedure would the network manager adopt for changing WEP default keys. b) Using Pla
In distributed routing computation, every packet switch calculates its routing table locally and transmit messages to the neighbors. It also updates information regularly. If a pac
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