Cipher feedback - Study guides, Class notes & Summaries
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CISA EXAM 182 Questions with Verified Answers,100% CORRECT
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CISA EXAM 182 Questions with Verified Answers 
 
 
Chapter 1 - CORRECT ANSWER 
 
Source code - CORRECT ANSWER uncompiled, archive code 
 
Object code - CORRECT ANSWER compiled code that is distributed and put into production; not able to be read by humans 
 
Inherent risk - CORRECT ANSWER the risk that an error could occur assuming no compensating control exist 
 
Control risk - CORRECT ANSWER the risk that an error exists that would not be prevented by internal controls 
 
Detection risk - COR...
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Comp3704 Midterm Exam Questions With Multiple Choices And Verified Answers.
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Data - correct answer ---- can be any character, number, text, word, or binary representation but is lacking context. ----- that is given context and meaning then becomes information 
 
Information - correct answer Any communication or representation of knowledge.Such as facts, data, or opinions In any medium or form including but not limited to: textual, numerical, graphic, cartographic, narrative audi...
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COMP 3704 Final Exam Practice Questions And Correct Answers 100% Guaranteed Answers.
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Encoding - correct answer purpose is to transform data so that it can be represented in various formats and 
consumed by end systems. The goal is not to keep data secret, it's to ensure that it 
can be properly represented 
 
Encryption - correct answer Data transformation with the sole purpose of keeping the data secret. 
 
Number Systems (Base) - correct answer ...
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WGU C839 Intro to Cryptography Master Set
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A technique that is based on how frequently certain letters appear in English 
versus others. 
Frequency Analysis 
8-bit values, up to 256 characters 
ASCII 
16-bit values, up to 65,536 
UTF-16 
ECB, CBC, CFB, OFB, and CTR. 
Common block cipher modes include: 
-Most basic, weak , and unsecure 
-Each block is processed separately 
-No Salt or IV is used and the same key will be used to encrypt 
each block. This means if a given plaintext is encrypted in ECB 
and results in a given ciphertext, th...
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WGU C839 - Introduction to Cryptography Actual Exam With 100% Correct Verified Answer
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WGU C839 - Introduction to 
Cryptography Actual Exam With 100% 
Correct Verified AnswerAllows encryption of partial blocks ---------- Correct Answer -------- Cipher Feedback 
(CFB) Mode 
Generates keystream blocks that are XORed with the PT blocks 
Turns block Cipher to stream Cipher ---------- Correct Answer -------- Output Feedback 
(OFB) 
Turns block cipher into stream cipher like OFB, 
It generates the next keystream block by encrypting successive values of a counter ----- 
----- Correc...
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CISSP Multiple Choice Questions and Answers
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Which of the following are NOT operating modes of the DES encryption algorithm? 
 
A) CBC 
 
B) ECB 
 
C) CFB 
 
D) OFB 
 
E) CBE - Answer- e. 
 
DES has four modes of operations: 
 
 
CBC - Cipher Block Chaining. In CBC mode, each plaintext block is XORed with the previous cipher text block and then encrypted. 
 
 
 
ECB - Electronic Code Book. In ECB mode, each plaintext block is encrypted independently with the block cipher. 
 
 
 
CFB - Cipher Feedback. In CFB mode, the previous ciphe...
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CISSP - EXAM PRACTICE/STUDY QUESTIONS AND ANSWERS 100%
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CISSP - EXAM PRACTICE/STUDY 
 
 
What is the most effective defense against cross-site scripting attacks? 
 
a) Limiting account privileges 
b)User Authentication 
c) Input validation 
d) Encryption - ANSWER c) Input validation prevents cross-site scripting attacks by limiting user input to a predefined range. This prevents the attacker from including the HTML ˂SCRIPT˃ tag in the input. 
 
What phase of the Electronic Discovery Reference Model puts evidence in a format that may be shared with...
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WGU Course C839 - Intro to Cryptography Questions and rational answers.
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WGU Course C839 - Intro to Cryptography Questions and rational answers. 
uses at least two different shifts, changing the shift with different letters in the 
plain text. 
A Atbash 
B multi-alphabet encryption 
C Scytale 
D Caesar cipher - Answer B 
was designed to provide built in cryptography for the clipper chip. 
A Blowfish 
B Skipjack 
C GOST 
D 3DES - Answer B 
Which of the following uses an 80 bit key on 64 bit blocks? 
A Twofish 
B AES 
C Skipjack 
D DES - Answer C 
With , the message ...
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CISSP Practice Test| Complete Questions| Correct Answers| Verified!!
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Which attack is used to understand the type of network topology implemented at the target? - ANSWER Scanning 
 
The primary goal of a security awareness program is: - ANSWER To make everyone aware of potential risk and exposure 
 
Fault tolerance safeguards help us to combat threats to - ANSWER Data Reliability 
 
What is the term used to describe a component, which in case of failure automatically responds in way that causes no or minimum harm? - ANSWER Fail Safe 
 
Which one of the following i...
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Introduction to Cryptography Questions and Answers 100% Pass
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Introduction to Cryptography Questions and Answers 100% Pass 
A business wants to use keys issued by a trusted third party to demonstrate to potential customers that it is a legitimate organization. Which key is used to sign the certificate issued to the business? Private key of the root CA 
A business wants to use keys issued by a trusted third party to demonstrate it is a legitimate organization to potential customers. Which key should the business send to potential customers to prove its iden...
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