Rufus Sewell, a cloud security engineer with 5 years of experience, recently joined an MNC as a senior cloud security engineer. Owing to the cost-effective security features and storage services provided by AWS, his organization has been using AWS cloud-based services since 2014. To create a RAID, Rufus created an Amazon EBS volume for the array and attached the EBS volume to the instance where he wants to host the array. Using the command line, Rufus successfully created a RAID. The array exhibits noteworthy performance both in read and write operations with no overhead by parity control and the entire storage capacity of the array is used. The storage capacity of the RAID created by Rufus is equal to the sum of disk capacity in the set, but the array is not fault tolerant. It is ideal for non-critical cloud data storage that must be read/written at a high speed. Based on the given information, which of the following RAID is created by Rufus?

VenturiaCloud is a cloud service provider that offers robust and cost-effective cloud-based services to cloud consumers. The organization became a victim of a cybersecurity attack. An attacker performed a DDoS attack over the cloud that caused failure in the entire cloud environment. VenturiaCloud conducted a forensics investigation. Who among the following are the first line of defense against cloud security attacks with their primary role being responding against any type of security incident immediately? 

James Harden works as a cloud security engineer in an IT company. James' organization has adopted a RaaS architectural model in which the production application is placed in the cloud and the recovery or backup target is kept in the private data center. Based on the given information, which RaaS architectural model is implemented in James' organization? 

TetraSoft Pvt. Ltd. is an IT company that provides software and application services to numerous customers across the globe. In 2015, the organization migrated its applications and data from on-premises to the AWS cloud environment. The cloud security team of TetraSoft Pvt. Ltd. suspected that the EC2 instance that launched the core application of the organization is compromised. Given below are randomly arranged steps involved in the forensic acquisition of an EC2 instance. In this scenario, when should the investigators ensure that a forensic instance is in the terminated state?

Trevor Noah works as a cloud security engineer in an IT company located in Seattle, Washington. Trevor has implemented a disaster recovery approach that runs a scaled-down version of a fully functional environment in the cloud. This method is most suitable for his organization's core business-critical functions and solutions that require the RTO and RPO to be within minutes. Based on the given information, which of the following disaster recovery approach is implemented by Trevor?