Basic CS-Networks [TCS Placement]: Sample Questions 114 - 115 of 133

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Question 114

Networks
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Describe in Detail

Essay▾

Expand IDEA?

Explanation

  • IDEA stands for International Data Encryption Algorithm- encryption algorithm developed at ETH in Zurich, Switzerland which uses a block cipher with a key, and is considered very secure. As a block cipher, it is also symmetric
  • It was described in 1991.
  • No practical attacks have been published despite of a number of attempts.
  • IDEA is patented in the United States and in most of the European countries.
  • Encryption and Decryption are identical as in DES.
  • The algorithm was replacement for the data encryption standard.
  • IDEA is a minor change of an earlier cipher PES (proposed encryption standard)
  • IDEA was originally called IPES (improved proposed encryption standard)
International Data Encryption Algorithm

Question 115

Networks
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Describe in Detail

Essay▾

List the new features added in . NET Framework 4.0.

Explanation

  • The following are the new features of . NET Framework 4.0:
  • Improved Application Compatibility and Deployment Support
  • Dynamic Language Runtime
  • Managed Extensibility Framework
  • Parallel Programming framework
  • Improved Security Model
  • Networking Improvements
  • Improved Core ASP. NET Services
  • Improvements in WPF 4
  • Improved Entity Framework (EF)
  • Integration between WCF and WF

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