Q. A type of cipher that uses multiple alphabetic strings.

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Q. An encryption technique with 2 keys is ______________

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Q. In public key cryptography, a key that decrypts the message.

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Q. DES stands for?

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Q. Under DES, the data encryption standard took a 64-bit block of data and subjected it to ______ levels of encryption.

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Q. Triple-DES has ______ keys.

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Q. Encryption standard that is selected by the US government to replace DES.

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Q. An electronic document that establishes your credentials when you are performing transactions.

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Q. ___________ is widely used today for protecting data in transit in a variety of applications such as data transfer on the Internet, and on cellular phone networks.

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Q. In a database where the encryption is applied the data is cannot be handled by the unauthorised user without

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Q. Which of the following is not a property of good encryption technique ?

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Q. In which of the following encryption key is used to encrypt and decrypt the data ?

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Q. Encryption of small values, such as identifiers or names, is made complicated by the possibility of __________

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Q. Which one of the following uses a 128bit round key to encrypt the data using XOR and use it in reverse to decrypt it ?

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Q. Which of the following requires no password travel across the internet ?

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Q. Assymmetric Encryption: Why can a message encrypted with the Public Key only be decrypted with the receiver’s appropriate Private Key?

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Q. Which is the largest disadvantage of the symmetric Encryption?

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Q. Which is the principle of the encryption using a key?

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