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Ben, a computer user, applied for a digital certificate. A component of PKI verifies Ben's identity using the credentials provided and passes that request on behalf of Ben to grant the digital certificate. Which of the following PKI components verified Ben as being legitimate to receive the certificate? 

Identify the backup mechanism that is performed within the organization using external devices such as hard

disks and requires human interaction to perform the backup operations, thus, making it suspect able to theft or

natural disasters.

Clark, a security professional, was instructed to monitor and continue the backup functions without

interrupting the system or application services. In this process, Clark implemented a backup mechanism that

dynamically backups the data even If the system or application resources are being used.

Which of the following types of backup mechanisms has Clark implemented in the above scenario?

Robert, a security specialist, was appointed to strengthen the security of the organization's network. To prevent

multiple login attempts from unknown sources, Robert implemented a security strategy of issuing alerts or

warning messages when multiple failed login attempts are made.

Which of the following security risks is addressed by Robert to make attempted break-ins unsuccessful?

Messy, a network defender, was hired to secure an organization's internal network. He deployed an IDS in

which the detection process depends on observing and comparing the observed events with the normal

behavior and then detecting any deviation from it.

Identify the type of IDS employed by Messy in the above scenario.