Data encryption standard Study guides, Class notes & Summaries
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![Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam (100% correct)](/docpics/639e578c71520_2187325.jpg)
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Introduction to Cryptography - C839 - ECES EC-Council Certified Encryption Specialist Practice Exam (100% correct)
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1. How did the ATBASH cipher work? correct answer By substituting each letter for the letter from the opposite end of the alphabet (i.e. Abecomes Z, B becomes Y, etc.) 
 
2. DES has a key space of what? correct answer 2^56 
 
3. Which of the following are valid key sizes for AES (choose three)? correct answer c. 128 
d. 192 
e. 256 
 
4. Which of the following algorithms uses three different keys to encrypt the plain text? correct answer 3DES 
 
Triple Data Encryption System 
 
5. Which of the f...
![WGU D220 LATEST UPDATE (2022/2023)](/docpics/637bfe08bafc0_2124859.jpg)
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WGU D220 LATEST UPDATE (2022/2023)
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WGU D220 LATEST UPDATE (2022/2023)American Recover and Reinvestment Act (ARRA) 
Authorized INCENTIVE PAYMENTS to specific types of hospitals and healthcare professionals for adopting and using interoperable Health Information Technology and EHR's. ARRA provides economic stimuli and incentives for the adoption of EHRs. 
 
 
 
Admission-Transfer-Discharge (ADT) System 
Classified under the hospitals' administrative info system. It's one of the foundational systems that allows operational activi...
![WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024-2025 VERIFIED 100%](/docpics/5035056/6620916e5ff71_5035056_121_171.jpeg)
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WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024-2025 VERIFIED 100%
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WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS VERIFIED 100% 
 
 
The hash value in bits for MD5 is ____. 
A. 128 
B. 160 
C. 256 Ans- 128 
 
Hashing involves taking a _____ length input and producing a _____ length output (message digest). 
A. fixed; fixed 
B. variable; fixed 
C. fixed; variable Ans- variable; fixed 
 
The hash value in bits for SHA-1 is ____. 
A. 128 
B. 160 
C. 256 Ans- 160 
 
The hash value in bits for MD4 is ____. 
A. 128 
B. 160 
C. 256 Ans- 128 
 
...
![CMIT 382 Final Exam Fall 2022 (100 questions) correct.](/docpics/6334e1a7cbe7e_1993184.jpg)
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CMIT 382 Final Exam Fall 2022 (100 questions) correct.
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Final Exam 
1. Your company has an on-premises Microsoft Exchange Server 2016 
organization. The organization is in the company's main office in 
Melbourne. The main office has a low-bandwidth connection to the 
Internet. 
The organization contains 250 mailboxes. 
You purchase a Microsoft 365 subscription and plan to migrate to 
Exchange Online next month. 
In 12 months, you plan to increase the bandwidth available for the 
Internet connection. 
You need to recommend the best migration strategy...
![WGU C839 Exam Latest Updated Graded A+](/docpics/6399e174b4c34_2179497.jpg)
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WGU C839 Exam Latest Updated Graded A+
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Symmetric - ANSWER-Which encryption standard uses the same key to encrypt and decrypt messages? 
 
Skipjack - ANSWER-Which algorithm is designated as a Type 2 product by the National Security Agency (NSA)? 
 
X.509 v3 - ANSWER-What is the most commonly used format for certificates? 
 
Certificate revocation list (CRL) - ANSWER-What is referenced to determine if a certificate has been revoked? 
 
Sender's public key - ANSWER-What needs to be installed on end users' computers to allow them to tr...
![Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated](/docpics/4906401/660d2143c4669_4906401_121_171.jpeg)
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Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated
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Network+ N10-008 Network Security 4.1 Exam Study Guide with Complete Solutions Latest Updated 
CIA Triad - Correct Answer Confidentiality: Keeps data private and safe using encryption and authentication to access resources. 
Integrity: Ensures data was not modified in transit and verifies it came from its original source. 
Availability: Measures data accessibility and is increased by designed redundant networks. 
 
Symmetric Encryption - Correct Answer Sender and receiver use the same key to enc...
![ECES Practice exam 2024 with 100% correct answers](/docpics/4395401/65bbe050e1b27_4395401_121_171.jpeg)
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ECES Practice exam 2024 with 100% correct answers
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What type of encryption uses different keys to encrypt and decrypt the message? 
 
+Secure 
+Asymmetric 
+Private key 
+Symmetric Answer - Asymmetric 
 
Asymmetric cryptography, also known as public key cryptography, uses public and private keys to encrypt and decrypt data. 
 
The most widely used asymmetric encryption algorithm is what? 
 
+Caesar Cipher 
+Vigenere 
+RSA 
+DES Answer - RSA 
 
The RSA encryption algorithm is one of the most widely used public key encryption algorithms that have ...
![CySA+ (CS0-002) CompTIA Cybersecurity Analyst (CySA+) - 10/17/2022 Exam Prep Answered.](/docpics/634ad2746c8b0_2033326.jpg)
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CySA+ (CS0-002) CompTIA Cybersecurity Analyst (CySA+) - 10/17/2022 Exam Prep Answered.
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CySA+ (CS0-002) CompTIA Cybersecurity Analyst (CySA+) - 10/17/2022 
Exam Prep Answered. 
 
An analyst needs to forensically examine a Windows machine that was compromised by a threat actor. 
Intelligence reports state this specific threat actor is characterized by hiding malicious artifacts, especially with 
alternate data streams. Based on this intelligence, which of the following BEST explains alternate data 
streams? 
A. A different way data can be streamlined if the user wants to use less m...
![WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024/2025 SOLVED 100%;(VIEW AHEAD OF EXAM STUDY TIPS GUARANTEED SUCCESS)](/docpics/5257429/663e38aa0ca5a_5257429_121_171.jpeg)
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WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024/2025 SOLVED 100%;(VIEW AHEAD OF EXAM STUDY TIPS GUARANTEED SUCCESS)
- Exam (elaborations) • 31 pages • 2024
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WGU C839V5/D334 ADDITIONAL PRACTICE QUESTIONS AND ANSWERS 2024/2025 SOLVED 100%;(VIEW AHEAD OF EXAM STUDY TIPS GUARANTEED SUCCESS) 
 
 
The hash value in bits for MD5 is ____. 
A. 128 
B. 160 
C. 256 ANS- 128 
 
Hashing involves taking a _____ length input and producing a _____ length output (message digest). 
A. fixed; fixed 
B. variable; fixed 
C. fixed; variable ANS- variable; fixed 
 
The hash value in bits for SHA-1 is ____. 
A. 128 
B. 160 
C. 256 ANS- 160 
 
The hash value in bits f...
![Security+ (SY0-601) Acronym List 2024/2025 Complete Solutions](/docpics/4906558/660d2483c9c4f_4906558_121_171.jpeg)
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Security+ (SY0-601) Acronym List 2024/2025 Complete Solutions
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Security+ (SY0-601) Acronym List 2024/2025 Complete Solutions 
3DES - Correct Answer Triple Data Encryption Standard 
 
AAA - Correct Answer Authentication, Authorization, and Accounting 
 
ABAC - Correct Answer Attribute-based Access Control 
 
ACL - Correct Answer Access Control List 
 
AD - Correct Answer Active Directory 
 
AES - Correct Answer Advanced Encryption Standard 
 
AES256 - Correct Answer Advanced Encryption Standards 256bit 
 
AH - Correct Answer Authentication Header 
 
AI - Cor...
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