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ECCouncil 212-81 Practice Test - Questions Answers, Page 10

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List of questions

Question 91

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A cryptanalysis success where the attacker deduces the secret key.

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Question 92

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All of the following are key exchange protocols except for____

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Question 93

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Changing some part of the plain text for some matching part of cipher text. Historical algorithms typically use this.

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Question 94

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Changes to one character in the plain text affect multiple characters in the cipher text, unlike in historical algorithms where each plain text character only affect one cipher text character.

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Question 95

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What is a TGS?

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Question 96

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Which of the following is a key exchange protocol?

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Question 97

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The art and science of writing hidden messages so that no one suspects the existence of the message, a type of security through obscurity. Message can be hidden in picture or audio file for example. Uses least significant bits in a file to store data.

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Question 98

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What is the basis for the difficulty in breaking RSA?

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Question 99

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What best describes the shifting of each letter a fixed number of spaces to the left or right?

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Question 100

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Which analysis type is based on the statistics of the numbers of unique colors and close-color pairs in a 24-bit image, a method that analyzes the pairs of colors created by LSB embedding?

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Total 206 questions
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Related questions

Message hidden in unrelated text. Sender and receiver have pre-arranged to use a pattern to remove certain letters from the message which leaves only the true message behind.
Ahlen is using a set of pre-calculated hashes to attempt to derive the passwords from a Windows SAM file. What is a set of pre-calculated hashes used to derive a hashed password called?
The most common way steganography is accomplished is via which one of the following?
Represents the total number of possible values of keys in a cryptographic algorithm or other security measure, such as a password.
With Cipher-block chaining (CBC) what happens?
In 2007, this wireless security algorithm was rendered useless by capturing packets and discovering the passkey in a matter of seconds. This security flaw led to a network invasion of TJ Maxx and data theft through a technique known as wardriving. Which Algorithm is this referring to?
Nicholas is working at a bank in Germany. He is looking at German standards for pseudo random number generators. He wants a good PRNG for generating symmetric keys. The German Federal Office for Information Security (BSI) has established four criteria for quality of random number generators. Which ones can be used for cryptography?
If Bob is using asymmetric cryptography and wants to send a message to Alice so that only she can decrypt it, what key should he use to encrypt the message?
John is going to use RSA to encrypt a message to Joan. What key should he use?
3DES can best be classified as which one of the following?