CompTIA CompTIA Certifications CLO-002 Questions & Answers

• Question 91:

  Which of the following cloud characteristics BEST describes the ability to add resources upon request?

  A. Scalability

  B. Portability

  C. Integrity

  D. Availability

  Correct Answer: A

  Explanation: 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

• Question 92:

  A cloud administrator suggested using spot instances to reduce cloud costs for part of a new cloud infrastructure.

  Which of the following conditions must be addressed by the application that will run on these instances?

  A. The application needs to store data in a database.

  B. There is a restriction for distributed network communications.

  C. The application needs to handle unpredictable instance termination.

  D. Resource-intensive compute loads will be forbidden.

  Correct Answer: C

  Explanation: Spot instances are cloud resources that are available at a lower price than on-demand instances, but can be terminated by the cloud provider at any time based on supply and demand. Therefore, the application that will run on these instances needs to handle unpredictable instance termination, such as by saving state information, implementing fault tolerance, or using checkpoints12. The other options are not directly related to the use of spot instances. The application may or may not need to store data in a database, depending on its functionality and design. There is no inherent restriction for distributed network communications when using spot instances, as long as the application can handle network latency and bandwidth issues. Resource-intensive compute loads are not forbidden, but they may increase the likelihood of instance termination, as the cloud provider may reclaim the resources for higher-paying customers. References: [CompTIA Cloud Essentials+ CLO-002 Study Guide], Chapter 2: Business Principles of Cloud Environments, Section 2.4: Cloud Service Costing, p. 81-82 [CompTIA Cloud+ CV0-003 Study Guide], Chapter 6: Optimizing the Cloud Environment, Section 6.3: Cloud Optimization Techniques, p. 287-288 [CompTIA Cloud Essentials+ CLO-002 Study Guide], ISBN: 978-1-119-64768-9, Publisher: Wiley [CompTIA Cloud+ CV0-003 Study Guide], ISBN: 978-1-119-64767-2, Publisher: Wiley

• Question 93:

  A large online car retailer needs to leverage the public cloud to host photos that must be accessible from anywhere and available at anytime. Which of the following cloud storage types would be cost-effective and meet the requirements?

  A. Cold storage

  B. File storage

  C. Block storage

  D. Object storage

  Correct Answer: D

  Explanation: Object storage is a cloud storage type that would be cost-effective and meet the requirements of a large online car retailer that needs to host photos that must be accessible from anywhere and available at anytime. Object

  storage is a type of cloud storage that stores data as objects, which consist of data, metadata, and a unique identifier. Object storage is ideal for storing large amounts of unstructured data, such as photos, videos, audio, documents, and web

  pages. Object storage offers several advantages for the online car retailer, such as:

  Cost-effectiveness: Object storage is typically cheaper than other types of cloud storage, such as file storage and block storage, because it does not require a complex file system or a high-performance storage network. Object storage also

  offers pay-per-use pricing, which means the retailer only pays for the amount of storage they consume.

  Accessibility: Object storage allows data to be accessed from anywhere and anytime, using a simple HTTP or HTTPS request. Object storage also supports RESTful APIs, which enable easy integration with web and mobile applications.

  Object storage can also leverage content delivery networks (CDNs), which distribute data across multiple locations to improve performance and availability. Scalability: Object storage can scale to store virtually unlimited amounts of data,

  without compromising performance or reliability. Object storage can also handle concurrent requests from multiple users, which is important for a high-traffic website like the online car retailer.

  Durability: Object storage ensures data durability by replicating data across multiple servers or regions, which protects data from hardware failures, natural disasters, or human errors. Object storage also supports versioning, which allows

  data to be restored to a previous state in case of accidental deletion or modification.

  References: CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 2: Cloud Concepts, Section 2.2: Cloud Technologies, Page 55. What Is Cloud Storage? Definition, Types, Benefits, and Best Practices - Spiceworks1 What Is a Public

  Cloud? | Google Cloud2

• Question 94:

  An on-premises, business-critical application is used for financial reporting and forecasting. The Chief Financial Officer requests options to move the application to cloud. Which of the following would be BEST to review the options?

  A. Test the applications in a sandbox environment.

  B. Perform a gap analysis.

  C. Conduct a feasibility assessment.

  D. Design a high-level architecture.

  Correct Answer: C

  Explanation: A feasibility assessment is a process of evaluating the viability and suitability of moving an on-premises application to the cloud. A feasibility assessment can help identify the benefits, risks, costs, and challenges of cloud migration, as well as the technical and business requirements, constraints, and dependencies of the application. A feasibility assessment can also help compare different cloud service models, deployment models, and providers, and recommend the best option for the application. A feasibility assessment would be the best way to review the options for moving a business-critical application to the cloud. A gap analysis is a process of identifying the differences between the current and desired state of a system or process. A gap analysis can help determine the gaps in performance, functionality, security, or compliance of an on-premises application and a cloud-based application, and suggest the actions needed to close the gaps. A gap analysis is usually performed after a feasibility assessment, when the cloud migration option has been selected, and before the transition planning phase. A test is a process of verifying the functionality, performance, security, or compatibility of an application or system. A test can help detect and resolve any errors, bugs, or issues in the application or system, and ensure that it meets the expected standards and specifications. A test can be performed in a sandbox environment, which is an isolated and controlled environment that mimics the real production environment. A test is usually performed during or after the cloud migration process, when the application has been deployed or migrated to the cloud, and before the final release or launch. A high-level architecture is a conceptual or logical design of an application or system that shows the main components, functions, relationships, and interactions of the application or system. A high-level architecture can help visualize and communicate the structure, behavior, and goals of the application or system, and guide the development and implementation process. A high-level architecture is usually created during the design phase of the cloud migration process, after the feasibility assessment and the gap analysis, and before the development and testing phase. References: CompTIA Cloud Essentials+ CLO-002 Study Guide, page 109-110, 113-114, 117-118, 121-122; CompTIA Cloud Essentials+ Certification Training, CertMaster Learn for Cloud Essentials+, Module 3: Cloud Solutions, Lesson 3.2: Cloud Migration, Topic 3.2.1: Cloud Migration Process

• Question 95:

  Which of the following BEST represents a successful presentation to a customer of the working result of a new cloud feature?

  A. Benchmark

  B. Proof of concept

  C. Baseline

  D. Feasibility study

  Correct Answer: B

  Explanation: A proof of concept (PoC) is a way to demonstrate that a new cloud feature is feasible and works as intended. A PoC is usually limited to the technical requirements of the feature and does not involve the user interface or user feedback. A PoC is used to show the customer the working result of the new cloud feature and to convince them to adopt the solution12. A PoC is different from a benchmark, which is a measure of the performance or quality of a system or product. A PoC is also different from a baseline, which is a reference point or standard for comparison. A PoC is also different from a feasibility study, which is an analysis of the viability and benefits of a project or idea3. References: CompTIA Cloud Essentials+ Certification Study Guide, Second Edition (LO-002), Chapter 5: Cloud Service Selection, pages 133-134.

• Question 96:

  A DevOps team wants to document the upgrade steps for its public database solution. The team needs a dedicated virtual environment separate from the production systems to replicate multiple installations. Which of the following BEST represents what the team needs?

  A. Containerization

  B. Cold storage

  C. Infrastructure as code

  D. Sandboxing

  Correct Answer: D

  Explanation: According to the CompTIA Cloud Essentials objectives and documents, sandboxing is the best option for the DevOps team that wants to document the upgrade steps for its public database solution. Sandboxing is a technique that creates a virtual environment that is isolated from the production systems and allows the team to replicate multiple installations without affecting the real data or applications. Sandboxing is useful for testing, debugging, and experimenting with new features or configurations in a safe and controlled way. Sandboxing can also help the team to identify and resolve any potential issues or errors before deploying the upgrade to the production environment. The other options are not as suitable for the team's needs. Containerization is a method of packaging software code with the necessary dependencies and libraries to run it on any platform or cloud. Containerization is beneficial for creating portable and scalable applications that can run consistently across different environments. However, containerization does not provide a dedicated virtual environment that is separate from the production systems, nor does it allow the team to replicate multiple installations of the same software. Cold storage is a type of data storage that is used for infrequently accessed or archived data. Cold storage is typically cheaper and slower than hot storage, which is used for frequently accessed or active data. Cold storage is not relevant for the team's need to document the upgrade steps for its public database solution, as it does not involve data storage or access. Infrastructure as code is a practice of managing and provisioning cloud infrastructure using code or scripts, rather than manual processes or graphical user interfaces. Infrastructure as code is advantageous for automating and standardizing the deployment and configuration of cloud resources, such as servers, networks, or storage. However, infrastructure as code does not provide a dedicated virtual environment that is separate from the production systems, nor does it allow the team to replicate multiple installations of the same software. References: 1, 2, 3, 4

• Question 97:

  A company is migrating a legacy application to the cloud. Two C-level executives are currently engaged in the initial stages of the migration, and they are planning a rip-and- replace approach.

  Before initiating the project, the FIRST step should be to identify: (Choose Two)

  A. the required network performance.

  B. the key stakeholders.

  C. the desired CSP.

  D. the required cloud services.

  E. the required amount of storage.

  Correct Answer: AB

  Explanation: Before initiating the project, the first step should be to identify the key stakeholders. The key stakeholders are the individuals or groups who have an interest or influence in the outcome of the project. They may include internal or external parties, such as executives, managers, employees, customers, suppliers, regulators, or partners1. Identifying the key stakeholders is important for several reasons, such as: Aligning the project goals and expectations: The key stakeholders can help to define the vision, scope, objectives, and requirements of the project. They can also provide feedback and approval throughout the project lifecycle. By involving the key stakeholders from the start, the project team can ensure that the project meets the needs and expectations of the stakeholders and delivers the desired value2. Securing the project resources and support: The key stakeholders can help to allocate the necessary resources and support for the project, such as budget, time, personnel, equipment, or data. They can also help to resolve any issues or conflicts that may arise during the project. By engaging the key stakeholders from the start, the project team can ensure that the project has the adequate resources and support to succeed3. Managing the project risks and changes: The key stakeholders can help to identify and mitigate the potential risks and changes that may affect the project, such as technical, operational, legal, or regulatory challenges. They can also help to communicate and implement the changes to the relevant parties. By collaborating with the key stakeholders from the start, the project team can ensure that the project adapts to the changing environment and minimizes the negative impacts4. The other options are not as suitable as identifying the key stakeholders for the first step of the project because: The required network performance: The required network performance is the level of quality and speed that the network needs to provide for the cloud application. The required network performance is an important factor to consider for the project, but it is not the first step. The required network performance depends on the type, size, and location of the cloud application, which are determined by the key stakeholders' input5. The desired CSP: The desired CSP is the cloud service provider that offers the cloud services and infrastructure for the cloud application. The desired CSP is an important factor to consider for the project, but it is not the first step. The desired CSP depends on the features, benefits, and pricing of the cloud services and infrastructure, which are evaluated by the key stakeholders' criteria. The required cloud services: The required cloud services are the cloud-based resources and capabilities that the cloud application needs to function. The required cloud services are an important factor to consider for the project, but they are not the first step. The required cloud services depend on the functionality, scalability, and security of the cloud application, which are defined by the key stakeholders' requirements. The required amount of storage: The required amount of storage is the amount of disk space that the cloud application needs to store its data. The required amount of storage is an important factor to consider for the project, but it is not the first step. The required amount of storage depends on the volume, variety, and velocity of the data, which are influenced by the key stakeholders' expectations. References:

  1: What is a Stakeholder? - Project Management Institute

  2: How to Identify Project Stakeholders - Smartsheet

  3: How to Engage Stakeholders in Your Project - Clarizen

  4: How to Manage Stakeholder Risk and Change - ProjectManager.com

  5: Network Performance Requirements for Cloud Migration - Riverbed : How to Choose a Cloud Service Provider - IBM Cloud : Cloud Services: Types, Benefits, and Challenges - BMC Blogs : Cloud Storage: What It Is and How to Use It -Lifewire

• Question 98:

  A company wants to ensure its existing functionalities are not compromised by the addition of a new functionality.

  Which of the following is the BEST testing technique?

  A. Regression

  B. Stress

  C. Load

  D. Quality

  Correct Answer: A

  Explanation: Regression testing is the best testing technique to ensure that the existing functionalities are not compromised by the addition of a new functionality. Regression testing is the type of testing performed to ensure that a code change in software does not affect the product's existing functionality. This ensures that the product functions correctly with new functionality, bug fixes, or changes to existing features. To validate the impact of the shift, previously executed test cases are re-executed1. Regression testing can be done manually or by using automated tools. Some of the most commonly used tools for regression testing are Selenium, WATIR, QTP, RFT, Winrunner, and Silktest2. References: CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 5: Cloud Service Operations, Section 5.3: Cloud Service Testing, p. 217-2181

• Question 99:

  A company deploys a data management capability that reduces RPO. Which of the following BEST describes the capability needed?

  A. Locality

  B. Replication

  C. Portability

  D. Archiving

  Correct Answer: B

  Explanation: 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.

• Question 100:

  A network team establishes a new connection to an IaaS CSP that is more efficient and has networking costs that are 25% less than previous monthly expenditures. The bill outlines the following costs:

  Storage:$10000

  Compute:$12000

  Network:$7000

  Which of the following will be the total cloud expenditure for the following month?

  A. $26000

  B. $26250

  C. $27250

  D. $29000

  Correct Answer: B

  The total cloud expenditure for the following month can be calculated by adding the costs of storage, compute, and network. However, since the network team has established a new connection to an IaaS CSP that is more efficient and has networking costs that are 25% less than previous monthly expenditures, the network cost for the following month will be reduced by 25%. Therefore, the network cost for the following month will be $7000 x (1 - 0.25) = $5250. The total cloud expenditure for the following month will be $10000 + $12000 + $5250 = $26250. References: https://www.comptia.org/training/books/cloud-essentials- clo-002-study-guide, Chapter 6, page 212-213