Data Security Test 4 Trivia Questions
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What is data called that is to be encrypted by inputting into an encryption algorithm?
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Plaintext
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Cleartext
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Opentext
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Ciphertext
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Zzz 11-14
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- 2.
Which of the following is not a basic security protection over information that cryptography can provide?
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Confidentiality
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Stop loss
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Integrity
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Authenticity
Correct Answer
A. Stop lossExplanation
Stop loss is not a basic security protection over information that cryptography can provide. Cryptography primarily focuses on ensuring confidentiality, integrity, and authenticity of information. Confidentiality ensures that the information is kept secret from unauthorized individuals, integrity ensures that the information remains unaltered and intact, and authenticity ensures that the information is genuine and can be trusted. Stop loss, on the other hand, is a risk management technique used in financial markets to limit potential losses. It is not directly related to the security of information.Rate this question:
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- 3.
The areas of a file in which steganography can hide data include all of the following except ________.
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In data that is used to describe the content or structure of the actual data
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In the directory structure of the file system
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In the file header fields that describe the file
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In areas that contain the content data itself
Correct Answer
A. In the directory structure of the file systemExplanation
Steganography is the practice of hiding data within other data, such as images or files. In this context, the directory structure of the file system refers to the organization and hierarchy of folders and files within a computer's storage system. While steganography can hide data in various areas of a file, it is not typically used to hide data within the directory structure itself. Instead, steganography is commonly employed in areas such as the content data itself, file header fields, or data used to describe the content or structure of the actual data.Rate this question:
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- 4.
Proving that a user sent an email message is known as ________.
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Repudiation
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Integrity
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Nonrepudiation
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Availability
Correct Answer
A. NonrepudiationExplanation
Nonrepudiation refers to the ability to prove that a user sent an email message and cannot later deny having sent it. This concept ensures that the sender cannot falsely claim that they did not send the message, providing evidence of the message's origin and authenticity. It is an important aspect of secure communication and helps in establishing trust and accountability in digital transactions.Rate this question:
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- 5.
Symmetric cryptographic algorithms are also called _______.
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Private key cryptography
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Cipherkey cryptography
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Public/private key cryptography
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Public key cryptography
Correct Answer
A. Private key cryptographyExplanation
Symmetric cryptographic algorithms are also called private key cryptography because they use the same key for both encryption and decryption of data. In this type of cryptography, the sender and receiver both share a secret key that is used to encrypt and decrypt the messages. This ensures that only the intended recipient, who possesses the same private key, can decrypt and access the original message. Unlike public key cryptography, where separate keys are used for encryption and decryption, private key cryptography is faster and more efficient for secure communication between two parties.Rate this question:
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- 6.
A(n) _______ is not decrypted, but is only used for comparison purposes.
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Stream
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Hash
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Algorithm
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Key
Correct Answer
A. HashExplanation
A hash is not decrypted, but is only used for comparison purposes. A hash function takes an input (such as a password or data) and generates a unique fixed-size string of characters, known as a hash value. This hash value is used for comparison, such as checking if two sets of data are identical. The original data cannot be derived from the hash value, providing a level of security.Rate this question:
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- 7.
Which of the following is NOT a common method for ensuring data security?
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Encryption
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Access control
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Data masking
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Data obscurity
Correct Answer
A. Data obscurityExplanation
Data obscurity relies on keeping data hidden or secret, which is not a reliable security measure. Encryption scrambles data to make it unreadable without the decryption key. Access control limits who can access data. Data masking hides sensitive data while preserving its format for testing or analysis.Rate this question:
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- 8.
Hashing would not be used in which of the following examples?
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Bank automatic teller machine (ATM)
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Encrypting and decrypting email attachments
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Verifying a user password entered on a Linux system
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Determining the integrity of a message
Correct Answer
A. Encrypting and decrypting email attachmentsExplanation
Hashing would not be used in the example of encrypting and decrypting email attachments. Hashing is a one-way function that takes an input and produces a fixed-size string of characters, which is used for data integrity and verification purposes. However, when it comes to encrypting and decrypting email attachments, a different cryptographic technique such as symmetric or asymmetric encryption is used to ensure the confidentiality of the data. Hashing is not suitable for encryption and decryption purposes as it cannot be reversed to retrieve the original data.Rate this question:
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- 9.
_______ encrypts a hash with a shared secret key.
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Key_hash
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WEP
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MDRIPE
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Hashed Message Authentication Code (HMAC)
Correct Answer
A. Hashed Message Authentication Code (HMAC)Explanation
HMAC (Hashed Message Authentication Code) is a cryptographic algorithm that encrypts a hash with a shared secret key. It is commonly used for verifying the authenticity and integrity of a message or data. HMAC combines the original message with a secret key, then applies a hash function to generate a unique hash value. This hash value is then encrypted using the shared secret key, ensuring that only parties with the key can decrypt and verify the message.Rate this question:
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- 10.
Which of the following is a protection provided by hashing?
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Authenticity
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Confidentiality
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Integrity
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Availability
Correct Answer
A. IntegrityExplanation
Hashing provides protection for integrity by generating a unique hash value for a given data input. This hash value acts as a digital fingerprint for the data, ensuring that any changes or modifications to the data can be easily detected. By comparing the generated hash value with the original hash value, one can verify the integrity and authenticity of the data.Rate this question:
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- 11.
_______ is a hash that uses two different and independent parallel chains of computation, the results of which are then combined at the end of the process.
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DES
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AES
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RC4
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RIPEMD
Correct Answer
A. RIPEMDExplanation
RIPEMD (RACE Integrity Primitives Evaluation Message Digest) is a hash function that uses two different and independent parallel chains of computation. These chains process the input data separately and produce intermediate hash values. At the end of the process, the results of both chains are combined to generate the final hash value. This approach enhances the security and resistance against attacks, as any compromise in one chain does not affect the other. Therefore, RIPEMD is the correct answer for the given description.Rate this question:
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- 12.
Which of the following is the strongest symmetric cryptographic algorithm?
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Advanced Encryption Standard
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Data Encryption Standard
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Triple Data Encryption Standard
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Rivest Cipher (RC) 1
Correct Answer
A. Advanced Encryption StandardExplanation
The Advanced Encryption Standard (AES) is considered the strongest symmetric cryptographic algorithm. It is widely used and trusted by organizations and governments around the world. AES provides a high level of security and has been extensively tested and analyzed by experts in the field. It uses a symmetric key to encrypt and decrypt data, making it efficient and reliable. AES has a key size of 128, 192, or 256 bits, making it highly resistant to brute-force attacks. Overall, AES is the preferred choice for securing sensitive information and ensuring data confidentiality.Rate this question:
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- 13.
If Bob wants to send a secure message to Alice using an asymmetric cryptographic algorithm, the key he uses to encrypt the message is _______.
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Alice’s private key
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Alice’s public key
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Bob’s public key
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Bob’s private key
Correct Answer
A. Alice’s public keyExplanation
When Bob wants to send a secure message to Alice using an asymmetric cryptographic algorithm, he would use Alice's public key to encrypt the message. Asymmetric cryptography uses a pair of keys, a public key for encryption and a private key for decryption. Bob uses Alice's public key to encrypt the message, ensuring that only Alice, with her corresponding private key, can decrypt and read the message. Using Bob's public or private key would not provide the necessary security for the message.Rate this question:
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- 14.
A digital signature can provide each of the following benefits except _______.
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Prove the integrity of the message
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Verify the receiver
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Verify the sender
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Enforce nonrepudiation
Correct Answer
A. Verify the receiverExplanation
A digital signature is a cryptographic technique used to verify the authenticity and integrity of a message. It ensures that the message has not been tampered with and that it was indeed sent by the claimed sender. Additionally, it provides nonrepudiation, meaning that the sender cannot deny sending the message. However, a digital signature does not verify the receiver of the message. It only focuses on the sender and the message itself. Therefore, the correct answer is "verify the receiver."Rate this question:
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- 15.
Which of the following asymmetric cryptographic algorithms is the most secure?
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MEC-2
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RSA
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MD-17
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SHA-2
Correct Answer
A. RSAExplanation
RSA is the most secure asymmetric cryptographic algorithm among the given options. It is widely used for secure communication and digital signatures. RSA is based on the mathematical problem of factoring large prime numbers, which is believed to be computationally difficult. This makes it highly resistant to attacks, such as brute force or prime factorization. Additionally, RSA offers strong security features, including key generation, encryption, and decryption, making it a reliable choice for secure communication and data protection.Rate this question:
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- 16.
Which of the following asymmetric cryptographic algorithms uses prime numbers?
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EFS
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Quantum computing
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ECC
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RSA
Correct Answer
A. RSAExplanation
RSA is an asymmetric cryptographic algorithm that uses prime numbers. It is based on the mathematical difficulty of factoring large composite numbers into their prime factors. RSA encryption involves generating a public key and a private key. The security of the algorithm relies on the fact that it is computationally difficult to factor large numbers. The prime numbers used in RSA play a crucial role in the encryption and decryption process, making it a widely used algorithm in secure communication and data protection.Rate this question:
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- 17.
______ uses lattice-based cryptography and may be more resistant to quantum computing attacks.
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NTRUEncrypt
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ECC
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RC4
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SHA-512
Correct Answer
A. NTRUEncryptExplanation
NTRUEncrypt uses lattice-based cryptography, which is known for its resistance against attacks from quantum computers. Quantum computers have the potential to break traditional cryptographic algorithms like ECC, RC4, and SHA-512, making them vulnerable to attacks. However, NTRUEncrypt's use of lattice-based cryptography makes it a promising option for post-quantum cryptography, as it offers enhanced security against quantum computing attacks.Rate this question:
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- 18.
The Trusted Platform Module (TPM) _______.
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Allows the user to boot a corrupted disk and repair it
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Is only available on Windows computers running BitLocker
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Includes a pseudorandom number generator (PRNG)
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Provides cryptographic services in hardware instead of software
Correct Answer
A. Provides cryptographic services in hardware instead of softwareExplanation
The Trusted Platform Module (TPM) provides cryptographic services in hardware instead of software. This means that it has its own dedicated hardware chip that performs cryptographic operations, such as encryption and decryption, instead of relying on software-based implementations. This hardware-based approach offers increased security and protection against attacks that target software vulnerabilities.Rate this question:
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- 19.
Which of the following has an onboard key generator and key storage facility, accelerated symmetric and asymmetric encryption, and can back up sensitive material in encrypted form?
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Trusted Platform Module (TPM)
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Self-encrypting hard disk drives (HDDs)
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Encrypted hardware-based USB devices
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Hardware Security Module (HSM)
Correct Answer
A. Hardware Security Module (HSM)Explanation
A Hardware Security Module (HSM) is a physical device that provides secure key storage and generation, as well as accelerated encryption for both symmetric and asymmetric algorithms. It can also back up sensitive material in encrypted form, ensuring the confidentiality and integrity of the data. This makes HSMs suitable for protecting cryptographic keys and performing cryptographic operations in a secure and efficient manner. The other options, such as Trusted Platform Module (TPM), self-encrypting hard disk drives (HDDs), and encrypted hardware-based USB devices, do not provide the same level of comprehensive security features as an HSM.Rate this question:
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- 20.
The Microsoft Windows LAN Manager hash _______.
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Is weaker than NTLMv2
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Is part of BitLocker
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Is required to be present when using TPM
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Is identical to MD-4
Correct Answer
A. Is weaker than NTLMv2Explanation
The Microsoft Windows LAN Manager hash is weaker than NTLMv2. This means that the LAN Manager hash algorithm used by Microsoft Windows for password storage is less secure and more vulnerable to attacks compared to the NTLMv2 algorithm. NTLMv2 is an improved version of the LAN Manager hash and provides better security measures to protect user passwords.Rate this question:
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- 21.
The strongest technology that would assure Alice that Bob is the sender of a message is a(n) _______.
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Digital signature
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Encrypted signature
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Hash
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Digital certificate
Correct Answer
A. Digital certificateExplanation
A digital certificate is a technology that would assure Alice that Bob is the sender of a message. It is a digital document that contains Bob's public key along with other identifying information, and is issued by a trusted third party known as a Certificate Authority. By verifying the digital certificate, Alice can be confident that the message was indeed sent by Bob, as the certificate ensures the authenticity and integrity of the message.Rate this question:
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- 22.
A digital certificate associates ________.
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A private key with a digital signature
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the user’s identity with their public key
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A user’s private key with public key
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A user’s public key with their private key
Correct Answer
A. the user’s identity with their public keyExplanation
A digital certificate associates the user's identity with their public key. This means that the certificate verifies the authenticity and legitimacy of the user's identity by linking it to their corresponding public key. This ensures that any communication or transaction conducted using the public key can be trusted and attributed to the correct user.Rate this question:
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- 23.
Digital certification can be used for each of the following except ________.
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To verify the authenticity of the Registration Authorizer
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To verify the identity of clients and servers on the Web
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To encrypt messages for secure email communications
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To encrypt channels to provide secure communications between clients and servers
Correct Answer
A. To verify the authenticity of the Registration AuthorizerExplanation
Digital certification can be used for each of the given options except to verify the authenticity of the Registration Authorizer. Digital certification is a process that verifies the identity and authenticity of clients and servers on the web, encrypts messages for secure email communications, and encrypts channels to provide secure communications between clients and servers. However, it does not specifically verify the authenticity of the Registration Authorizer.Rate this question:
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- 24.
An entity that issues digital certificates is a _______.
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Certificate Signatory (CS)
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Signature Authority (SA)
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Digital Signer (DS)
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Certificate Authority (CA)
Correct Answer
A. Certificate Authority (CA)Explanation
A Certificate Authority (CA) is an entity that issues digital certificates. These certificates are used to verify the authenticity and integrity of digital information, such as websites, emails, and software. The CA acts as a trusted third party that verifies the identity of individuals or organizations requesting a certificate and signs the certificate with its digital signature. This allows users to trust the information provided by the certificate holder and establish secure communication channels.Rate this question:
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- 25.
A centralized directory of digital certificates is called a(n) ________.
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Digital Signature Approval List (DSAP)
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Digital Signature Permitted Authorization (DSPA)
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Authorized Digital Signature (ADS)
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Certificate Repository (CR)
Correct Answer
A. Certificate Repository (CR)Explanation
A centralized directory of digital certificates is called a Certificate Repository (CR). This is where digital certificates, which are used to verify the authenticity and integrity of digital data, are stored and managed. The repository acts as a trusted source for individuals and organizations to access and validate digital certificates. It provides a convenient and secure way to distribute and retrieve certificates, ensuring the reliability and trustworthiness of digital communications and transactions.Rate this question:
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- 26.
Each of the following is a field of an X.509 certificate except _________.
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Validity period
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CA expiration code
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Serial number
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Signature
Correct Answer
A. CA expiration codeExplanation
The correct answer is "CA expiration code" because the other options mentioned (validity period, serial number, and signature) are all common fields found in an X.509 certificate. The validity period indicates the time frame during which the certificate is considered valid. The serial number uniquely identifies the certificate. The signature is used to verify the authenticity and integrity of the certificate. However, the CA expiration code is not a recognized field in an X.509 certificate. It is likely a made-up term or a mistake in the question.Rate this question:
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- 27.
To ensure a secure cryptographic connection between a Web browser and a Web server, a(n) ______would be used
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Email Web certificate
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Server digital certificate
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Personal digital certificate
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Web digital certificate
Correct Answer
A. Server digital certificateExplanation
A server digital certificate would be used to ensure a secure cryptographic connection between a Web browser and a Web server. This certificate is issued by a trusted third-party certificate authority and is used to verify the authenticity and identity of the server. It contains information such as the server's public key, the server's domain name, and the digital signature of the certificate authority. When a browser connects to a server, it checks the server's digital certificate to ensure that the connection is secure and that the server is legitimate.Rate this question:
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- 28.
A digital certificate that turns the address bar green is a(n) _________.
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X.509 Certificate
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Advanced Web Server Certificate (AWSC)
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Extended Validation SSL Certificate
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Personal Web-Client Certificate
Correct Answer
A. Extended Validation SSL CertificateExplanation
An Extended Validation SSL Certificate is a digital certificate that turns the address bar green. This type of certificate provides the highest level of authentication and security for websites, indicating to users that the website they are visiting is legitimate and trustworthy. The green address bar serves as a visual cue for users to have confidence in the website's identity and encryption.Rate this question:
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- 29.
The ______ -party trust model supports CA.
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First
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Second
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Third
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Fourth
Correct Answer
A. ThirdExplanation
The third-party trust model supports Certificate Authorities (CAs). In this model, a trusted third party, such as a CA, is responsible for verifying the identities of entities and issuing digital certificates. These certificates are used to authenticate and secure communications between parties. The third-party trust model ensures that CAs are trusted to accurately verify and validate the identities of entities, providing a secure foundation for digital transactions and communications.Rate this question:
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- 30.
Public-Key Cryptography Standards (PKCS) ________.
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Are used to create public keys only
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Define how hashing algorithms are created
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Have been replaced by PKI
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Are widely accepted in the industry
Correct Answer
A. Are widely accepted in the industryExplanation
The correct answer is "are widely accepted in the industry". Public-Key Cryptography Standards (PKCS) are a set of standards that are widely accepted and used in the industry. These standards provide guidelines and specifications for cryptographic algorithms, key management, and other related protocols. They are not limited to creating public keys only or defining hashing algorithms. While PKI (Public Key Infrastructure) is a related concept, it does not replace PKCS but rather builds upon it to provide a framework for managing and verifying digital certificates.Rate this question:
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- 31.
Each of the following is true regarding a hierarchical trust model except _________.
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It assigns a signal hierarchy with one master CA
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It is designed for use on a large scale
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The master CA is called the root
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The root signs all digital certificate authorities with a single key
Correct Answer
A. It is designed for use on a large scaleExplanation
A hierarchical trust model is designed for use on a large scale, so the statement "it is designed for use on a large scale" cannot be true. In a hierarchical trust model, there is a signal hierarchy with one master Certificate Authority (CA), where the master CA is called the root. The root signs all digital certificate authorities with a single key. Therefore, the correct answer is that it is not designed for use on a large scale.Rate this question:
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- 32.
Dual-sided digital certificates ________.
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Are used in military and financial settings when it is necessary for the client to authenticate back to the server
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Are the same as dual-key digital certificates
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Are required under PKCS #1
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Require a special browser
Correct Answer
A. Are used in military and financial settings when it is necessary for the client to authenticate back to the serverExplanation
Dual-sided digital certificates are used in military and financial settings when it is necessary for the client to authenticate back to the server. This means that not only does the server authenticate the client, but the client also authenticates the server. This added level of security is important in sensitive environments where both parties need to verify each other's identities to establish a trusted connection.Rate this question:
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- 33.
Which of the following is not where keys can be stored?
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In hashes
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On the user’s local system
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Embedded in digital certificates
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In tokens
Correct Answer
A. In hashesExplanation
Keys can be stored in hashes. Hashes are used for storing and retrieving data using key-value pairs, where the key is used to calculate the hash value and then the corresponding data is stored at that location. Therefore, the statement "In hashes" is incorrect as keys can be stored in hashes.Rate this question:
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- 34.
Public key infrastructure (PKI) ________.
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Creates private key cryptography
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Requires the use of an RA instead of a CA
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Generates public/private keys automatically
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Is the management of digital certificates
Correct Answer
A. Is the management of digital certificatesExplanation
PKI refers to the management of digital certificates, which are used to verify the authenticity of entities in a networked environment. It involves the creation, distribution, and revocation of digital certificates, which contain public keys and other identifying information. Through PKI, organizations can establish a trusted network by ensuring the secure exchange of information and verifying the identities of participants. It does not involve creating private key cryptography, requiring the use of an RA instead of a CA, or automatically generating public/private keys.Rate this question:
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- 35.
A(n) ______ is a published set of rules that govern the operation of a PKI.
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Certificate policy (CP)
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Certificate practice statement (CPS)
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Signature resource guide (SRG)
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Enforcement certificate (EF)
Correct Answer
A. Certificate policy (CP)Explanation
A certificate policy (CP) is a published set of rules that govern the operation of a PKI (Public Key Infrastructure). It outlines the procedures and practices that must be followed when issuing, managing, and revoking digital certificates. The CP defines the roles and responsibilities of the parties involved in the PKI, such as the certificate authority, certificate holders, and relying parties. It also specifies the security requirements, authentication procedures, and certificate usage policies. The CP ensures consistency and interoperability within the PKI, providing a framework for trust and secure communication.Rate this question:
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- 36.
Which of the following is not part of the certificate life cycle?
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Authorization
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Creation
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Expiration
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Revocation
Correct Answer
A. AuthorizationExplanation
The certificate life cycle refers to the different stages that a certificate goes through from its creation to its expiration or revocation. Authorization is not part of the certificate life cycle because it does not involve the actual management or handling of the certificate itself. Instead, authorization is the process of granting or denying access to resources based on the certificate's credentials.Rate this question:
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- 37.
_______refers to a situation in which keys are managed by a third party, such as a trusted CA.
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Remote key administration
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Trusted key authority
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Key authorization
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Key escrow
Correct Answer
A. Key escrowExplanation
Key escrow refers to a situation in which keys are managed by a third party, such as a trusted CA. This means that instead of individuals or organizations directly managing their own keys, they entrust them to a trusted third party. This can provide added security and assurance that the keys will be properly managed and protected. In the event of a key loss or compromise, the third party can then provide access to the keys, allowing for recovery or re-issuance.Rate this question:
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- 38.
_______ is a protocol for security accessing a remote computer.
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Secure Shell (SSH)
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Secure Sockets Layer (SSL)
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Secure Hypertext Transport Protocol (SHTTP)
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Transport layer Security (TLS)
Correct Answer
A. Secure Shell (SSH)Explanation
Secure Shell (SSH) is a protocol used for securely accessing a remote computer. It provides a secure channel over an unsecured network by encrypting the data being transmitted. SSH is commonly used for remote administration of systems and secure file transfers. It ensures the confidentiality and integrity of the data being transmitted, making it a widely adopted protocol for secure remote access.Rate this question:
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- 39.
What is the cryptographic transport protocol that is used most often to secure Web transactions?
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SHTTP
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PPPTPoE
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HTTPS
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MD-17
Correct Answer
A. HTTPSExplanation
HTTPS is the correct answer because it is the cryptographic transport protocol that is most commonly used to secure web transactions. It stands for Hypertext Transfer Protocol Secure and combines the standard HTTP protocol with the SSL/TLS encryption protocol to ensure secure communication between a web server and a web browser. HTTPS encrypts the data exchanged between the server and the browser, preventing unauthorized access and protecting sensitive information such as login credentials, credit card numbers, and personal data.Rate this question:
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- 40.
Which transport encryption algorithm is integrated as part of IPv6?
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IPsec
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SSH
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SSL/TLS
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RSA
Correct Answer
A. IPsecExplanation
IPsec is integrated as part of IPv6 to provide secure communication over the internet. IPsec ensures confidentiality, integrity, and authentication of data packets by encrypting the IP traffic. It establishes a secure tunnel between two devices, encrypting the data before transmission and decrypting it upon arrival. This helps protect against eavesdropping, tampering, and unauthorized access to the network. IPsec is commonly used for virtual private networks (VPNs) and is an essential component of IPv6 to enhance network security.Rate this question:
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Jan 06, 2025Quiz Edited by
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Sep 26, 2014Quiz Created by
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