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212-81

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Which of the following is the standard for digital certificates?
Colton, 1 year ago
89
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Which one of the following is an authentication method that sends the username and password in cleartext?
Thurman, 1 year ago
69
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What is an IV?
Rocky, 1 year ago
108
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3DES can best be classified as which one of the following?
Colton, 1 year ago
203
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No replies
Changing some part of the plain text for some matching part of cipher text. Historical algorithms typically use this.
Octavio, 1 year ago
91
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Which one of the following was an international standard for the format and information contained in a digital certificate?
Lewis, 1 year ago
87
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Which one of the following was originally designed to provide built-in cryptography for the Clipper chip?
Esteban, 1 year ago
62
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Original, unencrypted information is referred to as ____.
Carrol, 1 year ago
80
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Which algorithm implements an unbalanced Feistel cipher?
Gonzalo, 1 year ago
79
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The most common way steganography is accomplished is via which one of the following?
Coy, 1 year ago
72
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No replies
The most widely used digital certificate standard. First issued July 3, 1988. It is a digital document that contains a public key signed by the trusted third party, which is known as a Certificate Authority, or CA. Relied on by S/MIME. Contains your
Dante, 1 year ago
68
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What advantage do symmetric algorithms have over asymmetric algorithms
Lloyd, 1 year ago
72
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No replies
Which of the following Secure Hashing Algorithm (SHA) produces a 160-bit digest from a message with a maximum length of (264-1) bits and resembles the MD5 algorithm?
Colton, 1 year ago
82
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No replies
Algorithm that was chosen for the Data Encryption Standard, which was altered and renamed Data Encryption Algorithm.
Ernest, 1 year ago
81
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Which one of the following is a symmetric key system using 64-bit blocks?
Tuan, 1 year ago
75
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No replies
Which one of the following are characteristics of a hash function? (Choose two)
Giovanni, 1 year ago
73
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A measure of the uncertainty associated with a random variable.
Thurman, 1 year ago
74
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No replies
If a single change of a single bit in the plaintext causes changes in all the bits of the resulting ciphertext, what is this called?
Marshall, 1 year ago
72
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No replies
During the process of encryption and decryption, what keys are shared?
Gonzalo, 1 year ago
74
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No replies
What does the OCSP protocol provide?
Giovanni, 1 year ago
107
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Which one of the following is the most collisionresistant?
Rocky, 1 year ago
75
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No replies
Network of trusted certificate authority servers. Use asymmetric key pairs and combines software, encryption and services to provide a means of protecting security of business communication and transactions.
Morgan, 1 year ago
72
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What are the two modes of IPSec?
Galen, 1 year ago
131
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With Electronic codebook (ECB) what happens:
Ernest, 1 year ago
74
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Which of the following is an asymmetric cipher?
Galen, 1 year ago
69
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Which of the following algorithms uses three different keys to encrypt the plain text?
Nathaniel, 1 year ago
113
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With Cipher feedback (CFB) what happens?
Wilber, 1 year ago
77
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Which of the following is an asymmetric cipher?
Carrol, 1 year ago
87
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No replies
Which one of the following most accurately defines encryption?
Octavio, 1 year ago
77
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Hash algortihm created by the Russians. Produces a fixed length output of 256bits. Input message is broken up into 256 bit blocks. If block is less than 256 bits then it is padded with 0s.
Coy, 1 year ago
72
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