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Classification and cataloging help assign security controls andmanage data based on its sensitivity and criticality. Reference: [CCSK v5 Curriculum, Domain 9 - Data Security]

In a cloud environment, orchestration automates the provisioning and management of various cloud resources, including virtual machines (VMs), networking, storage, and other infrastructure components. Cloud orchestration involves the use of software to coordinate and automate tasks that would otherwise require manual intervention, improving efficiency, scalability, and consistency across the environment.

Monitoring application performance is typically handled by monitoring tools, not orchestration. Manual configuration of security policies is something that can be automated through policy management but is not the focus of orchestration. Installation of operating systems is part of provisioning resources, but orchestration primarily focuses on automating the overall management of infrastructure and services, not just the installation of operating systems.

SLAs play a key role in cloud incident management as they define response expectations and support arrangements between CSPs and CSCs. Reference: [CCSK Study Guide, Domain 11 - Incident Response]

Cloud computing uses abstraction and automation to pool and distribute resources efficiently among multiple tenants. This allows dynamic allocation based on demand. Reference: [CCSK v5 Curriculum, Domain 1 - Cloud Computing Models]

Multi-region resiliency enhances infrastructure resilience bydistributing resources across multiple geographic locations, reducing the impact of regional outages. Reference: [Security Guidance v5, Domain 7 - Infrastructure & Networking]

Scalability is a fundamental aspect of cloud architecture that allows a system to grow in capacity to meet increased workload demands effectively. Reference: [Security Guidance v5, Domain 1 - Cloud Characteristics]

The correct answer isD. Automated compliance checks.

Infrastructure as Code (IaC)is a key DevSecOps practice where infrastructure configurations are defined and managed through code. In a security context, the primary benefit of using IaC is the ability toautomate compliance checksand enforce security best practices consistently across environments.

Key Benefits of IaC in Security:

Automated Compliance:IaC allows for the embedding ofsecurity policies directly into configuration scripts. This means that when infrastructure is deployed, it automatically adheres to compliance requirements (like NIST, CIS benchmarks).

Consistency and Repeatability:Since IaC scripts are version-controlled, any configuration changes are tracked, minimizing the risk ofconfiguration drift.

Security by Design:By coding security configurations (like IAM roles, network ACLs, encryption settings), organizations ensure that every deployment meets security standards.

Reduced Human Error:Automating infrastructure provisioning reduces manual errors that can lead to vulnerabilities.

Why Other Options Are Incorrect:

A. Manual patch management:IaC promotes automated and repeatable configurations, reducing the need for manual patching.

B. Ad hoc security policies:IaC encouragesstandardized and consistentpolicies rather than ad hoc management.

C. Static resource allocation:IaC is dynamic and scalable, allowing for automatic scaling and configuration management rather than static resource setups.

Real-World Example:

Using tools likeTerraformorAWS CloudFormation, organizations can defineIAM policies, security group rules, and data encryption settingsas part of the infrastructure code. These configurations are then automatically checked for compliance against established policies during deployment.

Security and Compliance in IaC:

Organizations can integrate tools likeTerraform ComplianceorAWS Config Rulesto automatically verify that infrastructure settings align withregulatory requirementsandinternal security policies.