Which of the following penetration testing concepts is an attacker MOST interested in when placing the path of a malicious file in the Windows/CurrentVersion/Run registry key?

The data backup window has expanded into the morning hours and has begun to affect production users. The main bottleneck in the process is the time it takes to replicate the backups to separate severs at the offsite data center.
Which of the following uses of deduplication could be implemented to reduce the backup window?

A supervisor in your organization was demoted on Friday afternoon. The supervisor had the ability to modify the contents of a confidential database, as well as other managerial permissions. On Monday morning, the database administrator reported that log files indicated that several records were missing from the database.
Which of the following risk mitigation strategies should have been implemented when the supervisor was demoted?

Which of the following is commonly used for federated identity management across multiple organizations?

A company recently experienced data exfiltration via the corporate network. In response to the breach, a security analyst recommends deploying an out-of-band IDS solution. The analyst says the solution can be implemented without purchasing any additional network hardware. Which of the following solutions will be used to deploy the IDS?