CLO-002 Dumps with Practice Exam Questions Answers

Change management is an IT practice that aims to minimize disruptions to IT services while making changes to critical systems and services5. Change management involves planning, testing, approving, and implementing changes in a controlled and systematic manner6. A change is defined as adding, modifying, or removing anything that could have a direct or indirect effect on services5. In this case, the cloud administrator should follow the change management process to ensure that the software upgrade is properly tested, approved, and applied.

References:

• Change management types, Atlassian
• Change management vs Configuration management, Virima

Scalability in cloud computing is the ability to scale up or scale down cloud resources as needed to meet demand1. This is one of the main benefits of using the cloud — and it allows companies to better manage resources and costs2. Scalability enables businesses to easily add or remove computing resources, such as computing power, storage, or network capacity, on demand, without significant hardware investment or infrastructure changes3. Scalability ensures that businesses can efficiently and seamlessly handle varying workloads, optimize resource utilization, and enhance the overall reliability and performance of cloud computing systems4. References: What is Cloud Scalability? | Cloud Scale | VMwareExploring Scalability in Cloud Computing: Benefits and Best Practices | MEGAWhat is Cloud Scalability? | SimplilearnWhat Is Cloud Scalability? 4 Benefits For Every Organization - CloudZero

 Chargeback is the best approach to match some of the cloud operating costs with the appropriate departments. Chargeback is a process where the IT department bills each department for the amount of cloud resources they use, such as compute, storage, network, or software. Chargeback can help the company to allocate the cloud costs more accurately and fairly, as well as to encourage the departments to optimize their cloud consumption and reduce waste. Chargeback can also provide the company with more visibility and accountability of the cloud usage and spending across the organization12

Chargeback is different from showback, which is a process where the IT department shows each department the amount of cloud resources they use, but does not charge them for it. Showback can also help the company to increase the awareness and transparency of the cloud costs, but it may not have the same impact on the behavior and efficiency of the departments as chargeback12

Right-sizing and scaling are not approaches to match the cloud costs with the departments, but rather techniques to adjust the cloud resources to the actual demand and performance of the applications or services. Right-sizing and scaling can help the company to save money and improve the cloud utilization, but they do not address the issue of cost allocation or attribution34

References: CompTIA Cloud Essentials+ Certification Exam Objectives, CompTIA Cloud Essentials+ Study Guide, Chapter 2: Business Principles of Cloud Environments, IT Chargeback vs Showback: What’s The Difference?2, Cloud Essentials+ Certification Training

Reserved instances are a type of cloud pricing model that allows customers to reserve a certain amount of cloud resources for a fixed period of time, usually one or three years, and pay a lower rate than the on-demand or pay-as-you-go model. Reserved instances are suitable for workloads that have predictable and stable resource consumption, as they can help customers save up to 75% of the cloud costs compared to the on-demand model1. However, reserved instances also require a long-term commitment and upfront payment, which may reduce the flexibility and scalability of the cloud.

The other options are not likely to help the company reduce the cost of infrastructure:

• Pay-as-you-go: This is a type of cloud pricing model that allows customers to pay only for the resources they use, without any upfront or long-term commitment. Pay-as-you-go is suitable for workloads that have variable and unpredictable resource consumption, as it provides flexibility and scalability. However, pay-as-you-go is also the most expensive cloud pricing model, as it charges a higher rate per unit of resource than the reserved or spot instances models1.
• Spot instances: This is a type of cloud pricing model that allows customers to bid for unused cloud resources at a discounted rate, usually up to 90% lower than the on-demand model1. Spot instances are suitable for workloads that are flexible, interruptible, and not time-sensitive, as they can be terminated at any time by the cloud provider when the demand or price increases. Spot instances can help customers save a lot of money, but they also introduce a high level of uncertainty and risk to the cloud environment.
• Bring your own license: This is a type of cloud pricing model that allows customers to use their existing software licenses on the cloud, instead of purchasing new licenses from the cloud provider. Bring your own license can help customers reduce the software costs, but it does not affect the cost of infrastructure, which is based on the amount and type of cloud resources used2.

References:

• Cloud Pricing Models: On-Demand, Reserved, and Spot Instances
• Bring Your Own License (BYOL) in Cloud Computing

API stands for Application Programming Interface, which is a set of rules and protocols that allow different software components or systems to communicate and exchange data. API is used to integrate with cloud solutions because it enables developers to access the cloud services and resources programmatically, without having to deal with the underlying infrastructure or platform details. API also allows for automation, scalability, and interoperability of cloud applications and services.

References: Chapter 3: Cloud Computing Concepts and Models, Section 3.2: Cloud Service Models, Subsection 3.2.1: Software as a Service (SaaS), Page 87; Chapter 4: Cloud Computing Principles and Design, Section 4.3: Cloud Characteristics and Risks, Subsection 4.3.2: Cloud Characteristics, Page 121; from https://www.comptia.org/training/books/cloud-essentials-clo-002-study-guide or CompTIA Cloud Essentials+ sources.