Triple des Study guides, Class notes & Summaries

Chapter 2 – Cryptographic Tools TRUE/FALSE QUESTIONS: T F 1. Symmetric encryption is used primarily to provide confidentiality. T F 2. Two of the most important applications of public-key encryption are digital signatures and key management. T F 3. Cryptanalytic attacks try every possible key on a piece of ciphertext until an intelligible translation into plaintext is obtained. T F 4. The secret key is input to the encryption algorithm. T F 5. Triple DES tak...

Which of the following phases of a system development life-cycle is most concerned with authenticating users and processes to ensure appropriate access control decisions? - Operation and maintenance What is the effective key size of DES? - 56 bit What are two types of ciphers? - Transposition and substitution When block chaining cryptography is used, what type of code is calculated and appended to the data to ensure authenticity? - Message authentication code Which of the following is the ...

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...

Name all OSI layers - THE CORRECT ANSWER IS Application, Presentation, Session, Transport, Network, Data Link, Physical. Name all TCP/IP layers - THE CORRECT ANSWER IS Application, Transport, internet, Network Access. Name Four TCP head flags - THE CORRECT ANSWER IS ACK, FIN, SYN, URG, PSH, RST Which layer does HTTP protocl reside in the OSI model. - THE CORRECT ANSWER IS Layer 7, Application. Which layer does Ethernet reside in the OSI model. - THE CORRECT ANSWER IS Layer 2, Data li...

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 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 ...

Which of the following phases of a system development life-cycle is most concerned with authenticating users and processes to ensure appropriate access control decisions? - Correct Answer-Operation and maintenance What is the effective key size of DES? - Correct Answer-56 bit What are two types of ciphers? - Correct Answer-Transposition and substitution When block chaining cryptography is used, what type of code is calculated and appended to the data to ensure authenticity? - Correct Answe...

CSIA 300 Final Exam QUESTIONS AND ANSWERS 2023 UPDATE GRADED A+ Which of the following phases of a system development life-cycle is most concerned with authenticating users and processes to ensure appropriate access control decisions? - Correct Answer-Operation and maintenance What is the effective key size of DES? - Correct Answer-56 bit What are two types of ciphers? - Correct Answer-Transposition and substitution When block chaining cryptography is used, what type of code is calculated...

Fixed Single Master Operations Flexible Security Master Operations Flexible Single Master Operations Forest Single Master Operations Forest Security Master Operations Flexible Single Master Operations The active directory database file is: - ANSWER NTDS.DAT NTDS.MDB MSAD.DIT NTDS.DIT MDAD.MDB NTDS.DIT What command might you use to obtain a list of systems from a master browser, together with details about the version and available services. - ANSWER amap nbtstat lservers nbtquery hping3 ls...

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...