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Last Updated: Jun 24, 2026
IT Exam Items Repository › Category: Network Security 1.0
What is the term for when a device cannot refute the validity of a message that it has received?
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What cipher method does 3DES use as part of the algorithm?
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What is a method of cryptanalysis in which an attacker tries every possible key knowing that eventually one of them will work?
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What is a cipher that replaces one letter for another, possibly retaining the letter frequency of the original message?
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Refer to Chart 3. What is the plaintext value for the encrypted text FMVMXIBKGVW?
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Refer to Chart 3. What is the encrypted value of the word INTEGRITY?
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Refer to Chart 2. What is the encrypted text for the word AUTHENCITY?
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Refer to Chart 1. What is the encrypted text for the term ENCRYPTION?
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The receiver can verify that the received message is identical to the sent message and that no manipulation occurred.
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A key is required to encrypt and decrypt a message.
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Encryption and hashing are used to make certain that only authorized entities can read the message.
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In banking, it can be achieved by requiring a secure personal identification number (PIN) at an ATM.
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Guarantees that a message comes from the source that it claims to come from.
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Ensures that messages are not altered in transit.
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Ensures privacy so that only the receiver can read the message.
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