CompTIA CV0-004 Online Practice Questions and Exam Preparation

CompTIA CV0-004 Online Questions & Answers

• Question 111:

  A video surveillance system records road incidents and stores the videos locally before uploading them to the cloud and deleting them from local storage.

  Which of the following best describes the nature of the local storage?

  A. Persistent
  B. Ephemeral
  C. Differential
  D. Incremental
  B. Ephemeral

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  Explanation

  The nature of the local storage in a video surveillance system that records road incidents and stores the videos locally before uploading them to the cloud and deleting them from local storage is ephemeral. Ephemeral storage is temporary and is designed to provide short-term storage for information that changes frequently or is not meant to be persistent.

  References: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Cloud Storage Options

• Question 112:

  A company wants to combine solutions in a central and scalable environment to achieve the following goals:

  1. Control 2. Visibility 3. Automation 4. Cost efficiency

  Which of the following best describes what the company should implement?

  A. Batch processing
  B. Workload orchestration
  C. Containerization
  D. Application modernization
  B. Workload orchestration

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  Explanation

  Workload orchestration is the best description of what the company should implement to achieve control, visibility, automation, and cost efficiency. It involves using orchestration tools to manage workloads in cloud environments, ensuring resources are used efficiently and operations are automated.

  References: Workload orchestration is a part of cloud management strategies discussed under the Management and Technical Operations domain in the CompTIA Cloud+ objectives.

• Question 113:

  An organization's security policy states that software applications should not exchange sensitive data in cleartext. The security analyst is concerned about a software application that uses Base64 to encode credit card data.

  Which of the following would be the best algorithm to replace Base64?

  A. 3DES
  B. AES
  C. RC4
  D. SHA-3
  B. AES

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  Explanation

  AES (Advanced Encryption Standard) is the best algorithm to replace Base64 for secure data exchange. Base64 is an encoding method that is not secure by itself, as it's easily reversible. AES, on the other hand, is a widely used encryption standard that ensures data is protected and is not readable without the correct encryption key.

  References: Encryption standards and practices, including the use of AES for securing data, are essential knowledge in cloud security covered in CompTIA Cloud+.

• Question 114:

  A company uses containers to implement a web application. The development team completed internal testing of a new feature and is ready to move the feature to the production environment.

  Which of the following deployment models would best meet the company's needs while minimizing cost and targeting a specific subset of its users?

  A. Canary
  B. Blue-green
  C. Rolling
  D. In-place
  A. Canary

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  Explanation

  The canary deployment model is an approach where a new feature or service is rolled out to a small subset of users before being deployed widely. This method allows the company to test the impact of the new feature in the production environment with a limited scope, minimizing risk and potential cost implications if issues arise. This approach contrasts with blue-green deployments, which involve switching between two identical environments; rolling deployments, which gradually update all instances; and in- place deployments, which update the current environment. The canary model is particularly suited for targeting specific user groups and gathering feedback before a full rollout.

• Question 115:

  A customer's facility is located in an area where natural disasters happen frequently. The customer requires the following:

  1. Data resiliency due to exposure to frequent natural disasters 2. Data localization because of privacy regulations in the country 3. High availability

  Which of the following cloud resources should be provisioned to meet these requirements?

  A. Storage in a separate data center located in same region
  B. An on-premises private cloud carrying duplicate data
  C. Storage in an availability zone outside the region
  D. Storage in the same availability zone as the primary data
  C. Storage in an availability zone outside the region

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  Explanation

  To meet the requirements of data resiliency, data localization, and high availability in a region prone to natural disasters, the customer should provision storage in an availability zone outside the region. This ensures that data is not affected by regional disasters and complies with data localization by remaining within the country's borders, while also providing high availability.References: Disaster recovery and high availability strategies, including the use of multiple availability zones, are discussed in the CompTIA Cloud+ certification material.

• Question 116:

  A company is using a method of tests and upgrades in which a small set of end users are exposed to new services before the majority of other users. Which of the following deployment methods is being used?

  A. Blue-green
  B. Canary
  C. Big bang
  D. Rolling
  B. Canary

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  Explanation

  A canary deployment is a software deployment technique where a new feature or version is released to a small subset of users in production prior to releasing it to a larger subset or all the users. It is also sometimes termed a phased rollout or incremental release1. A canary deployment allows the developers to test the new service in a real environment and get feedback from the users before making it available to everyone. It also reduces the risk of failures and enables easy rollbacks if something goes wrong. A canary deployment is different from a blue-green deployment, where two identical environments are used to switch between the old and new versions of the service. A big bang deployment is where the new service is released to all the users at once, without any testing or gradual rollout. A rolling deployment is where the new service is installed in batches or stages, replacing the old service gradually until all the users are on the new version.

• Question 117:

  Which of the following is the most cost-effective and efficient strategy when migrating to the cloud?

  A. Retire
  B. Replatform
  C. Retain
  D. Refactor
  A. Retire

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  Explanation

  The most cost-effective and efficient strategy when migrating to the cloud can often be to 'retire' or turn off legacy systems that are no longer useful or necessary. This avoids spending resources on migrating and maintaining systems that do not provide value in a cloud environment.References: Cloud migration strategies, including retiring outdated systems, are part of the decision-making process for cloud adoption in the CompTIA Cloud+ certification material.

• Question 118:

  An engineer wants to scale several cloud workloads on demand. Which of the following approaches is the most suitable?

  A. Load
  B. Scheduled
  C. Manual
  D. Trending
  A. Load

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  Explanation

  Load scaling is the most suitable approach for scaling several cloud workloads on demand. It automatically adjusts the number of active servers in a cloud environment based on the current load or traffic, ensuring that resources are efficiently utilized to meet demand without manual intervention. This approach helps maintain optimal performance and availability, particularly during unexpected surges in workload or traffic. References: Understanding cloud management and technical operations, including scaling strategies, is crucial for optimizing resource utilization and performance in cloud environments, as outlined in the CompTIA Cloud+ objectives.

• Question 119:

  Which of the following best describes a program in project management?

  A. A group of unrelated projects within an organization
  B. A representation of daily activities across multiple projects
  C. A consolidation of related projects with a common goal
  D. A definition of a project's workload
  C. A consolidation of related projects with a common goal

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  Explanation

• Question 120:

  Which of the following storage resources provides higher availability and speed for currently used files?

  A. Warm/HDD
  B. Cold/SSD
  C. Hot/SSD
  D. Archive/HDD
  C. Hot/SSD

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  Explanation

  Hot storage using Solid State Drives (SSD) is designed for data that needs to be accessed frequently and quickly. SSDs provide faster access times compared to HDDs, making them suitable for high-availability and speed-critical files, such as those currently in use or requiring rapid access.

  References: CompTIA Cloud+ resources and storage tiering concepts