CLO-002 Questions Bank

Replication is a data management capability that involves creating and maintaining copies of data across multiple locations or systems1. Replication can help reduce the Recovery Point Objective (RPO) of an application, which is the maximum acceptable amount of data loss measured in time2. By replicating data frequently and consistently, the risk of losing data in the event of a disruption or failure is minimized, as the data can be restored from the most recent replica. Replication can also improve the availability, performance, and scalability of an application, as the data can be accessed from multiple sources and distributed across different regions3.

Locality is a data management capability that refers to the physical location or proximity of data to the users or applications that access it4. Locality can affect the latency, bandwidth, and cost of data transfer, as well as the compliance with data sovereignty and privacy regulations. Locality does not directly reduce the RPO of an application, but rather influences the choice of where to store and replicate data.

Portability is a data management capability that refers to the ease of moving data across different platforms, systems, or environments. Portability can enable the interoperability, integration, and migration of data, as well as the flexibility and agility of data management. Portability does not directly reduce the RPO of an application, but rather enables the use of different data sources and destinations.

Archiving is a data management capability that involves moving or copying data that is no longer actively used to a separate storage device or system for long-term retention. Archiving can help optimize the storage space, performance, and cost of data, as well as comply with data retention and preservation policies. Archiving does not directly reduce the RPO of an application, but rather preserves the historical data for future reference or analysis. References: CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 3: Cloud Data Management, pages 97-99.

Resource tagging is the best option for a client’s finance department to identify the cost of cloud use in a public cloud environment shared by different projects and departments. Resource tagging is a feature that allows users to assign metadata to their cloud resources. These tags, which consist of a key and a value, make it easier to manage, search for, and filter resources1. Resource tagging can help to manage costs effectively, especially in large-scale cloud environments, by enabling the following capabilities2:

• Cost allocation: Resource tagging can help to allocate costs to different projects, departments, or business units based on the tags that are associated with each resource. For example, a tag can indicate the owner, purpose, or environment of a resource, such as ProjectA, Marketing, or Dev. By using these tags, the finance department can generate reports that show the breakdown of cloud spending by different categories and attributes.
• Cost optimization: Resource tagging can help to optimize costs by identifying unused, underutilized, or overprovisioned resources based on the tags that are associated with each resource. For example, a tag can indicate the status, expiration date, or performance of a resource, such as Active, 2023-12-31, or High. By using these tags, the finance department can monitor and analyze the usage and efficiency of cloud resources and make recommendations for cost savings or improvements.
• Cost governance: Resource tagging can help to enforce cost governance policies and best practices by applying tags that are consistent, standardized, and mandatory across all cloud resources. For example, a tag can indicate the compliance, security, or quality of a resource, such as PCI-DSS, Confidential, or Approved. By using these tags, the finance department can audit and verify that the cloud resources are following the rules and regulations that are set by the organization or external authorities.

The other options are not as suitable as resource tagging for the client’s finance department to identify the cost of cloud use because:

• Reserved instances: Reserved instances are a pricing model that allows users to reserve cloud resources for a fixed period of time and pay a lower rate than on-demand resources. Reserved instances can help to reduce costs by offering discounts for predictable and steady usage patterns, but they do not provide a way to track and allocate costs across different projects and departments3.
• Service level agreement: A service level agreement (SLA) is a contract that defines the level of service and performance that a cloud service provider (CSP) guarantees to its customers. An SLA can help to ensure the reliability, availability, and quality of cloud services, but it does not provide a way to measure and report costs for different projects and departments.
• RFI from the CSP: An RFI (request for information) is a document that solicits information from a CSP about its products, services, and capabilities. An RFI can help to evaluate and compare different CSPs based on various criteria, such as features, benefits, and pricing, but it does not provide a way to monitor and manage costs for existing cloud resources that are used by different projects and departments.

References:

• 2: Define your tagging strategy - Cloud Adoption Framework
• 3: What are Reserved Instances? - Amazon Web Services
• 1: What is Tagging in cloud computing?
• : What is a service-level agreement (SLA)? - IBM Cloud
• : What is an RFI? - TechTarget

According to the CompTIA Cloud Essentials+ CLO-002 Study Guide, there are four common risk response types: avoid, share or transfer, mitigate, and accept1. These are the appropriate responses to risks, depending on the risk type, assessment, and attitude. The other options are incorrect because they include terms that are not valid risk responses. For example, migrate is not a risk response, but a cloud deployment strategy. Validate is not a risk response, but a quality assurance technique. References: CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 4: Cloud Security, Section 4.2: Cloud Security Concepts, Page 153.

One of the risks that an organization can transfer by adopting the cloud is data breach due to a break-in at the facility. This is because the cloud service provider (CSP) is responsible for the physical security of the data center where the data is stored and processed. The CSP should have adequate measures to prevent unauthorized access, theft, or damage to the hardware and infrastructure. By outsourcing the data storage and processing to the CSP, the organization transfers the risk of physical breach to the CSP. However, the organization still retains the risk of data breach due to other factors, such as network attacks, misconfiguration, or human error. Therefore, the organization should also implement appropriate controls to protect the data in transit and at rest, such as encryption, authentication, and monitoring. References: CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 5: Risk Management, page 1661 and page 1692. The Top Cloud Computing Risk Treatment Options | CSA3.