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Security + Chapter 3 Review Questions And Already Passed Answers.
1. The Hashed Message Authentication Code (HMAC) _____. A. encrypts only the message B. encrypts only the key C. encrypts the key and the message D. encrypts the DHE key only - Answer C. encrypts the key and the message 2. What is the latest version of the Secure Hash Algorithm? A. SHA-2 B. SHA-3 C. SHA-4 D. SHA-5 - Answer B. SHA-3 3. Alexei was given a key to a substitution cipher. The key showed that the entire alphabet was rotated 13 steps. What type of cipher is this? A...
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Quiz 09. Cryptographic Applications Latest Exam Questions Fully Solved.
PopularWhich of the following software can encrypt individual files? Select all that apply. a) Windows native filesystem-level encryption (EFS) b) VeraCrypt c) Windows BitLocker d) PKZIP - Answer a) Windows native filesystem-level encryption (EFS) d) PKZIP PGP implemented _______________, making it so that no single person was universally trusted to sign certificates. a) Digital signatures b) A web of trust c) Certificate hierarchy d) Certificate authority (CA) - Answer b) A web of tr...
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Information Security Chapter 8 Review Questions And Answers Graded A+.
What are cryptography and cryptanalysis? - Answer Cryptography and cryptanalysis are the two topic areas within cryptology. What was the earliest reason for the use of cryptography? - Answer Concealing military and political secrets while they were transported from place to place. What is a cryptographic key, and what is it used for? What is a more formal name for a cryptographic key? - Answer In cryptosystems, a key, also known as a cryptovariable, is the information used in conj...
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Prin of Info Security Study Guide Exam Questions And Actual Answers.
Which algorithm encrypts and decrypts data using the same key? - Answer Hash algorithm Symmetric cryptographic algorithm * Rivest-Shamir-Adleman algorithm Asymmetric cryptographic algorithm Which attack sees an attacker attempt to determine the hash function's input strings that produce the same hash result? - Answer Known ciphertext attack Downgrade attack Collision attack * Birthday attack Which characteristic of cryptography makes information obscure or unclear, and by wh...
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SEC110: Chapt 3 Test Questions And Already Passed Answers.
A manager working in ABC Consulting shared a list of employees from his team who were eligible for an extra week off. Later, he claimed that he has never shared this list. Which principle or functionality of a secured communication can be used to substantiate or verify the manager's claim? a. Nonrepudiation b. Hashing c. Obfuscation d. Steganography - Answer a. Nonrepudiation Alex needs to find a method that can change a single character of plaintext into multiple characters of ciph...
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Cryptography Final Review Questions And Answers Rated A+.
What is the OSI security architecture? - Answer The OSI Security Architecture is a framework that provides a systematic way of defining the requirements for security and characterizing the approaches to satisfying those requirements. The document defines security attacks, mechanisms, and services, and the relationships among these categories. List and briefly define categories of passive and active security attacks. - Answer Passive attacks: release of message contents and traffic a...
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Chapter 10 Understanding Cryptography and PKI Practice Questions And All Correct Answers.
1. GCGA, a software development company, occasionally updates its software with major updates and minor patches. Administrators load these updates to the company website along with a hash associated with each update. Which of the following BESET describes the purpose of the hash? A. Availability of updates and patches B. Integrity of updates and patches C. Confidentiality of updates and patches D. Integrity of the application - Answer B is correct. The hash provide integrity for the updat...
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Exam Prep 3: Cryptography Design and Implementation Questions Fully Solved.
Cryptography - Answer use of mathematic algorithms to transform info into an encrypted form that is not readable by unauthorized people. Encryption - Answer converts plaintext to ciphertext. Decryption - Answer converts ciphertext to plaintext. Symmetric Encryption - Answer when encryption and decryption use the same secret key. Asymmetric Encryption - Answer encryption and decryption use different keys from the same pair. The public key is used for encryption while th...
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Module 07: Public Key Infrastructure and Cryptographic Protocols Final Exam And Correct Answers.
Which is an IPsec protocol that authenticates that packets received were sent from the source? a. DER b. PXP c. CER d. AH - Answer d. AH What is the name of the fields in an X.509 digital certificate that are used when the parties negotiate a secure connection? a. Certificate attributes b. CTR c. PFX d. Electronic Code Book (ECB) repositories - Answer a. Certificate attributes What entity calls in crypto modules to perform cryptographic tasks? a. Crypto service prov...
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Module 6 Basic Cyrptography Review Exam Questions And All Correct Answers.
Which of the following hides the existence of information? - Answer Steganography Cryptography can prevent an individual from fraudulently reneging on an action. What is this known as? - Answer Nonrepudiation Brielle is researching substitution ciphers. She came across a cipher in which the entire alphabet was rotated 13 steps. What type of cipher is this? - Answer ROT13 Which of the following is FALSE about "security through obscurity"? - Answer It can only provide li...
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Exam 2 Cryptography Questions And Already Passed Answers.
SSL/TLS - Answer -Secure Socket Layer/Transport Layer Security. -Originally developed by Netscape. -Version 3+ Designed with public input. SSL/TLS - Answer -Uses TCP to provide reliable end-to-end service. -Currently 1.2 is the latest. -Has two layers of protocol. SSL Connection - Answer -A transient, peer-to-peer, communications link. -Associated with 1 SSL session. SSL Session - Answer -An association between client and server. -Created by the Handshake Protocol. -D...
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Cryptography Final Exam Questions All Fully Solved.
Which of the statements is true about Caesar Cipher? a. It uses the substitution technique b. It is used to communicate with messages written in hieroglyphs. c. It is the oldest cryptographic technique - Answer It uses the substitution technique What is the technique of hiding secret data within an ordinary, non-secret, file or message to avoid detection? - Answer Stegonagraphy What is true about classic cryptography? A. It operates on binary bit sequences. B. I...
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CISSP | Test Questions | Domain 5 | Cryptography Prep Exam Questions And Already Passed Answers.
For security protection mechanisms for cryptographic data in storage, backup, and archives, the storage of keying material is a part of which of the following cryptographic services? a. Confidentiality b. Availability c. Integrity d. Labels - Answer b. The availability service for data in storage deals with backup and archive storages. During a key's crypto-period, keying material (i.e., keys and initialization vectors) should be stored in both normal operational storage and in bac...
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Chapter 12 Introduction to Cryptography Study Guide Exam Questions And Already Passed Answers.
Which of the following cryptography services is responsible for providing confidentiality? A. Hashing B. Encryption C. Authentication D. Authorization - Answer B. Encryption Which of the following cryptography services is responsible for ensuring data integrity? A. Hashing B. Encryption C. Authentication D. Authorization - Answer A. Hashing Which of the following symmetric encryption algorithms offers the strongest encryption? A. 3DES B. SHA-1 C. DES D. AES256 - Answer ...
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7.2.6 Study Guide Exam Questions And All Correct Answers.
Cryptographic systems provide which of the following security services? (Select two.) - Answer Confidentiality,Non-repudiation You have downloaded a file from the internet. You generate a hash and check it against the original file's hash to ensure the file has not been changed. Which information security goal is this an example of? - Answer Integrity Which of the following are true of Triple DES (3DES)? - Answer Key length is 168 bits When a sender encrypts a message using ...
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Basic Cryptography & Public Key Infrastructure Practice Exam Questions Fully Solved.
What type of key is used for only one single key establishment process and is never stored in memory or retained? - Answer Ephemeral Key What type of cryptography derives its power from the fact that qubits can represent numerous possible combinations of 1 and 0 at the same time? - Answer Quantum cryptography What are common cryptography feature is an aspect of white-box cryptography where keys are protected from extraction when under the control of the penetration tester or attacker...
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