A large e-commerce company named ShopZone uses GCP to host its online store. Recently, the company noticed several errors reported by customers while trying to make purchases on their website. They suspect that there may be some issue with the payment processing system. To investigate this issue, the cloud forensic team of the company decided to look at the logs for the payment processing system and identify anomalies that may be causing the problem. Which of the following GCP log categories helps the team gain the relevant information? 

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?

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?

An organization with resources on Google Cloud regularly backs up its service capabilities to ensure high availability and reduce the downtime when a zone or instance becomes unavailable owing to zonal outage or memory shortage in an instance. However, as protocol, the organization must frequently test whether these regular backups are configured. Which tool's high availability settings must be checked for this?

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?