Which of the following is the SLOWEST method of restoring data from backup media?
Answer(s): D
The SLOWEST method of restoring data from backup media is an incremental backup. This is because an incremental backup is a type of backup that only copies the files that have been created or modified since the previous backup, whether it was a full or an incremental backup. An incremental backup makes the restoration process slower, as it requires restoring multiple backups in a specific order and sequence, starting from the last full backup and then applying each incremental backup until the desired point in time is reached. The other options are not methods of restoring data from backup media that are slower than an incremental backup, but rather different types of backup procedures that copy files based on different criteria, such as monthly backup (A), full backup (B), or differential backup C.
Which of the following is MOST important to ensure the successful implementation of continuous auditing?
Answer(s): C
The MOST important factor to ensure the successful implementation of continuous auditing is top management support. This is because top management support helps to provide the vision, direction, and resources for implementing continuous auditing within the organization. Top management support also helps to overcome any resistance or challenges that may arise from implementing continuous auditing, such as cultural change, stakeholder buy-in, process reengineering, etc. Top management support also helps to ensure that the results and findings of continuous auditing are communicated and acted upon by the relevant decision-makers and stakeholders. The other options are not factors that are more important than top management support for ensuring the successful implementation of continuous auditing, but rather different aspects or benefits of continuous auditing, such as storage hardware (A), technical resources (B), or processing capacity (D).
Which of the following is a computer-software vulnerability that is unknown to those who would be interested in mitigating the vulnerability?
A computer-software vulnerability that is unknown to those who would be interested in mitigating the vulnerability is a zero-day vulnerability. This is because a zero-day vulnerability is a type of vulnerability that has not been reported or disclosed to the public or to the software vendor yet, and may be exploited by attackers before it is patched or fixed. A zero-day vulnerability poses a high risk to systems and applications that are affected by it, as there may be no known defense or solution against it. The other options are not computer-software vulnerabilities that are unknown to those who would be interested in mitigating the vulnerability, but rather types of vulnerabilities that are known and reported to the public or to the software vendor, such as cross-site scripting vulnerability (A), SQL injection vulnerability (B), or memory leakage vulnerability C.
While risk is measured by potential activity, which of the following describes the actual occurrence of a threat?
Answer(s): A
An attack is the actual occurrence of a threat, which is a potential activity that could harm an asset. An attack is the result of a threat actor exploiting a vulnerability in a system or network to achieve a malicious objective. For example, a denial-of-service attack is the occurrence of a threat that aims to disrupt the availability of a service.
In public key cryptography, digital signatures are primarily used to;
In public key cryptography, digital signatures are primarily used to prove sender authenticity. A digital signature is a cryptographic technique that allows the sender of a message to sign it with their private key, which can only be decrypted by their public key. The recipient can verify that the message was sent by the sender and not tampered with by using the sender's public key.
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