Which of the following statements is NOT TRUE? Question 18 options: A firm can act as its own CA – have control of trust in its entire PKI The digital certificate has its own digital signature encrypted by the CA’s public key Certificate Authorities (CAs) manage digital certificates The verifier accepts the digital certificate if decryption can be done using CA’s public key

Which of the following statements is NOT TRUE? Question 18 options: A firm can act as its own CA – have control of trust in its entire PKI The digital certificate has its own digital signature encrypted by the CA’s public key Certificate Authorities (CAs) manage digital certificates The verifier accepts the digital certificate if decryption can be done using CA’s public key

Management Of Information Security

6th Edition

ISBN:9781337405713

Author:WHITMAN, Michael.

Publisher:WHITMAN, Michael.

Chapter12: Protection Mechanisms

Section: Chapter Questions

Problem 3E

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MCQ Which of following creating key option specify the signature algorithm that will be used to create the self−signed certificate? sigalg signatureAlgorithm validity nDays keysize keysize keyalg AlgorithmName
Which of the following are contained in a public-key infrastructure certificate? Check all that apply. (a)Group of answer choices (b)Owner's secret key (c)Owner's public key (d)Owner's name (e)A signature from the owner (f)Issuer's secret key (g)Issuer's public key (h)Issuer's name (i)A signature from the issuer
Which of the following statements regarding a CA is not correct? a.CA publishes expired digital certificates in CRL b.If needed, CA may also generate public and private keys for client organizations c.CA is a highly trusted entity d.CA acts as a man-in-the-middle, i.e. all the communication of clients and servers actually pass through the CA’s system
Which encryption benchmark ensures data is not modified after it’s transmitted and before it’s received? a. Confidentiality b. Integrity c. Availability d. Symmetric
Just need answer, no need explanation: 5) Which of the following are valid reasons to revoke a certificate? Select all that apply. The certificate owner decides to change the encryption algorithm used to generate keys in the certificate, and doesn't want to permit the old version to still be used. The certificate has expired and needs to be reissued. The public key in the certificate is accidentally revealed. The private key corresponding to the public key in the certificate is accidentally revealed. 6) When Alice initiates communication with the website foo.com, foo.com sends Alice the site's certificate. Which of the following statements is true about this certificate? The certificate includes foo.com’s public key, signed by the CA’s private key. The certificate includes foo.com’s private key, signed by the CA's public key. The certificate includes foo.com’s public key, signed by Alice’s private key. The certificate includes foo.com’s public key, signed by foo.com’s private key. 7)…
A centralized directory of digital certificates is called a(n) . a. Digital Signature Permitted Authorization (DSPA) b. Digital Signature Approval List (DSAP) c. Certificate Repository (CR) d. Authorized Digital Signature (ADS)
You are the administrator for your company network. You and a colleague are discussing the key archive store. The key archive stores which of the following information? Group of answer choices The public key and private key only The public key, private key, and supported cryptographic algorithms only The subject name, public key, private key, and supported cryptographic algorithms The public key only
Which of the following is the most important principle that ensures secured use of a public key algorithm? a) Protection of the private key b) Distribution of the shared key c) Integrity of the message d) History of session keys
which of the following is the correct statement about symmetric encryption?
Which of the following statements are correct? Group of answer choices In the symmetric key crypto, we need to share a secret with other parties to establish the encryption/decryption. In the asymmetric key crypto, we do not need to share a secret with other parties to establish the encryption/decryption. You should not share a pubic key in the asymmetric key crypto. You must share a public key in the asymmetric key crypto.
Which one of the following mathematical notation represents the symmetric key decryption process?
The certificate may be used for key exchange by the communication parties for an indefinite length of time. Is it true or false?

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	A firm can act as its own CA – have control of trust in its entire PKI
	The digital certificate has its own digital signature encrypted by the CA’s public key
	Certificate Authorities (CAs) manage digital certificates
	The verifier accepts the digital certificate if decryption can be done using CA’s public key