Pre-Assessment Intro to Cryptography - D334Questions and
Answers
Terms in this set (60)
A business wants to use keys issued by a trusted third Private key of the root CA
party to demonstrate to potential customers that it is a
legitimate organization. Which key is used to sign the
certificate issued to the business?
A. Private key of the root CA
B. Public key of the root CA
C. Private key of the company
D. Public key of the company
A business wants to use keys issued by a trusted third Public key of the company
party to demonstrate it is a legitimate organization to
potential customers. Which key should the business send
to potential customers to prove its identity?
A. Private key of the root CA
B. Public key of the root CA
C. Private key of the company
D. Public key of the company
What should an administrator use to import and export all Public Key Cryptography Standard (PKCS) #12
items written using X.509 that are part of a chain of trust?
A. CER
B. Public Key Cryptography Standard (PKCS) #7
C. Public Key Cryptography Standard (PKCS) #12
D. RTF
Which field displays the hash, or digest, of the certificate Thumbprint
in an X.509 certificate?
A. Subject
B. Issuer
C. Version
D. Thumbprint
Which certificate management process involves key Issued
recovery?
A. Initialization
B. Issued
C. Cancellation
D. Hold
, Which task does a root CA perform before publishing its Signing it with its private key
own certificate?
A. Encrypting it with its private key
B. Encrypting it with its public key
C. Signing it with its private key
D. Signing it with its public key
Which algorithm is used to generate the thumbprint of a SHA-1
certificate?
A. RSA
B. 3DES
C. AES
D. SHA-1
Large volumes of plaintext need to be encrypted, and Encrypt by using symmetric keys and distribute by using asymmetric keys
the encryption keys need to be securely distributed.
Which approach should be used for encryption and
distribution?
A. Encrypt by using symmetric keys and distribute by
using asymmetric keys
B. Encrypt by using asymmetric keys and distribute by
using symmetric keys
C. Encrypt by using symmetric keys and distribute by
using symmetric keys
D. Encrypt by using asymmetric keys and distribute by
using asymmetric keys
What is the role of a key in asymmetric encryption and A public key is used for encryption, and a private key is used for decryption.
decryption?
A. A public key is used for both encryption and
decryption.
B. A private key is used for both encryption and
decryption.
C. A public key is used for encryption, and a private key is
used for decryption.
D. A private key is used for encryption, and a public key is
used for decryption.
A security analyst is validating the integrity and Digital signature
authenticity of a data transaction. Which PKI component
is being used?
A. Digital certificate
B. Digital signature
C. Asymmetric encryption
D. Symmetric encryption
Answers
Terms in this set (60)
A business wants to use keys issued by a trusted third Private key of the root CA
party to demonstrate to potential customers that it is a
legitimate organization. Which key is used to sign the
certificate issued to the business?
A. Private key of the root CA
B. Public key of the root CA
C. Private key of the company
D. Public key of the company
A business wants to use keys issued by a trusted third Public key of the company
party to demonstrate it is a legitimate organization to
potential customers. Which key should the business send
to potential customers to prove its identity?
A. Private key of the root CA
B. Public key of the root CA
C. Private key of the company
D. Public key of the company
What should an administrator use to import and export all Public Key Cryptography Standard (PKCS) #12
items written using X.509 that are part of a chain of trust?
A. CER
B. Public Key Cryptography Standard (PKCS) #7
C. Public Key Cryptography Standard (PKCS) #12
D. RTF
Which field displays the hash, or digest, of the certificate Thumbprint
in an X.509 certificate?
A. Subject
B. Issuer
C. Version
D. Thumbprint
Which certificate management process involves key Issued
recovery?
A. Initialization
B. Issued
C. Cancellation
D. Hold
, Which task does a root CA perform before publishing its Signing it with its private key
own certificate?
A. Encrypting it with its private key
B. Encrypting it with its public key
C. Signing it with its private key
D. Signing it with its public key
Which algorithm is used to generate the thumbprint of a SHA-1
certificate?
A. RSA
B. 3DES
C. AES
D. SHA-1
Large volumes of plaintext need to be encrypted, and Encrypt by using symmetric keys and distribute by using asymmetric keys
the encryption keys need to be securely distributed.
Which approach should be used for encryption and
distribution?
A. Encrypt by using symmetric keys and distribute by
using asymmetric keys
B. Encrypt by using asymmetric keys and distribute by
using symmetric keys
C. Encrypt by using symmetric keys and distribute by
using symmetric keys
D. Encrypt by using asymmetric keys and distribute by
using asymmetric keys
What is the role of a key in asymmetric encryption and A public key is used for encryption, and a private key is used for decryption.
decryption?
A. A public key is used for both encryption and
decryption.
B. A private key is used for both encryption and
decryption.
C. A public key is used for encryption, and a private key is
used for decryption.
D. A private key is used for encryption, and a public key is
used for decryption.
A security analyst is validating the integrity and Digital signature
authenticity of a data transaction. Which PKI component
is being used?
A. Digital certificate
B. Digital signature
C. Asymmetric encryption
D. Symmetric encryption
