CompTIA CV0-004 Online Practice Questions and Exam Preparation

CompTIA CV0-004 Online Questions & Answers

• Question 261:

  A company serves customers globally from its website hosted in North America. A cloud engineer recently deployed new instances of the website in the Europe region.

  Which of the following is the most likely reason?

  A. To simplify workflow
  B. To enhance security
  C. To reduce latency
  D. To decrease cost
  C. To reduce latency

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  Explanation

  The most likely reason for deploying new instances of a website in the Europe region, in addition to the ones hosted in North America, is to reduce latency for users located in Europe. By having the website's resources closer to the end-users, the data has a shorter distance to travel, resulting in faster load times and better performance.

  References:

  CompTIA Cloud+ Study Guide (Exam CV0-004) by Todd Montgomery and Stephen Olson

• Question 262:

  A company just learned that the data in its object storage was accessed by an unauthorized party.

  Which of the following should the company have done to make the data unusable?

  A. The company should have switched from object storage to file storage.
  B. The company should have hashed the data.
  C. The company should have changed the file access permissions.
  D. The company should have encrypted the data at rest.
  D. The company should have encrypted the data at rest.

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  Explanation

  Encrypting the data at rest is a crucial security measure to make the data unusable to unauthorized parties.

  If the object storage data was accessed by an unauthorized party, having the data encrypted would ensure that the data remains confidential and inaccessible without the proper encryption keys, thus mitigating the impact of the breach.

  References:

  CompTIA Cloud+ resources and data security practices

• Question 263:

  A small nonprofit wants a cheap and simple way to automate some of its workflows that connect different services together in the cloud.

  Which of the following options best fulfills this need?

  A. Using a managed service provider
  B. Leveraging an integration platform as a service
  C. Automating workflows with Python and deploying in a VM
  D. Implementing a message broker to access the APIs
  B. Leveraging an integration platform as a service

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  Explanation

  An integration platform as a service (iPaaS) is specifically designed to connect cloud services and automate workflows with minimal infrastructure management and development effort. It provides a cost-effective and simple way for organizations to integrate applications and automate business processes through prebuilt connectors and low-code tools.

• Question 264:

  A company is developing a new web application that requires a relational database management system with minimal operational overhead.

  Which of the following should the company choose?

  A. A database installed on a virtual machine
  B. A managed SQL database on the cloud
  C. A database migration service
  D. A hybrid database setup
  B. A managed SQL database on the cloud

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  Explanation

  For a new web application that requires a relational database management system with minimal operational overhead, the company should choose a managed SQL database on the cloud. Managed databases provide automated backups, patching, and other management tasks, reducing the administrative burden.

  References:

  The use of managed services, like managed databases, to minimize operational overhead is a strategic decision in cloud computing covered in CompTIA Cloud+.

• Question 265:

  A company wants to offer customers an interactive experience through its website to solve common issues.

  Which of the following would most likely provide this feature?

  A. Search engine
  B. Generative AI
  C. Help page
  D. Text recognition
  B. Generative AI

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  Explanation

  Generative AI can provide an interactive customer experience by understanding user questions, generating natural-language responses, and assisting with common issues in real time. This makes it well suited for virtual assistants and chatbots that improve customer support through conversational interactions.

• Question 266:

  Which of the following strategies will mitigate the risk of a zero-day vulnerability MOST efficiently?

  A. Using only open-source technologies
  B. Keeping all resources up to date
  C. Creating a standby environment with a different cloud provider
  D. Having a detailed incident response plan
  D. Having a detailed incident response plan

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  Explanation

  An incident response plan is a document or procedure that defines the roles, responsibilities, and actions to be taken in the event of a security incident or breach. Having a detailed incident response plan can help mitigate the risk of a zero-day vulnerability most efficiently, as it can provide a clear and consistent framework for identifying, containing, analyzing, and resolving any potential threats or exploits related to the unknown or unpatched vulnerability. Having a detailed incident response plan can also help minimize the impact and damage of a security incident or breach, as it can enable timely and effective recovery and restoration processes.

  References:

  CompTIA Cloud+ Certification Exam Objectives, page 14, section 2.7

• Question 267:

  A systems engineer is migrating a batch of 25 VMs from an on-premises compute cluster to a public cloud using the public cloud's migration agent. The migration job shows data copies at a rate of 250Mbps. After five servers migrate, the data copies at a rate of 25Mbps.

  Which of the following should the engineer review first to troubleshoot?

  A. The on-premises VM host hardware utilization
  B. The on-premises ISP throttling rate
  C. The IOPS on the SAN backing the on-premises cluster
  D. The compute utilization of the VMs being migrated
  A. The on-premises VM host hardware utilization

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  Explanation

  The engineer should review the on-premises VM host hardware utilization first. A decrease in transfer rate after a batch of migrations could suggest that the host hardware resources (like CPU, RAM, or network bandwidth) are becoming saturated, which would slow down additional migrations.

  References:

  CompTIA Cloud+ Certification Study Guide (Exam CV0- 004) by Scott Wilson and Eric Vanderburg.

• Question 268:

  Two CVEs are discovered on servers in the company's public cloud virtual network. The CVEs are listed as having an attack vector value of network and CVSS score of 9.0.

  Which of the following actions would be the best way to mitigate the vulnerabilities?

  A. Patching the operating systems
  B. Upgrading the operating systems to the latest beta
  C. Encrypting the operating system disks
  D. Disabling unnecessary open ports
  A. Patching the operating systems

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  Explanation

  For vulnerabilities with a high CVSS score and a network attack vector, the most effective and direct mitigation action is to patch the operating systems. Patching addresses the specific vulnerabilities that have been identified and helps to secure the servers against the known exploits that could take advantage of these CVEs.

  References:

  CompTIA Cloud+ Guide to Cloud Computing (ISBN: 978-1-64274-282-2)

• Question 269:

  Which of the following protocols is often used in IoT to reduce the amount of data exchanged?

  A. MQTT
  B. SMB
  C. NFS
  D. HTTPS
  A. MQTT

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  Explanation

  MQTT is a lightweight messaging protocol designed for IoT devices, minimizing data overhead to efficiently exchange small amounts of data.

• Question 270:

  A company has deployed a new cloud solution and is required to meet security compliance.

  Which of the following will MOST likely be executed in the cloud solution to meet security requirements?

  A. Performance testing
  B. Regression testing
  C. Vulnerability testing
  D. Usability testing
  C. Vulnerability testing

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  Explanation

  Vulnerability testing is a type of security testing that identifies and evaluates the weaknesses or flaws in a system or service that could be exploited by attackers. Vulnerability testing can help meet security compliance requirements when deploying a new cloud solution, as it can reveal any potential security risks or gaps in the cloud environment and provide recommendations for remediation or mitigation. Vulnerability testing can also help improve security posture and performance, as it can prevent or reduce the impact of cyberattacks, data breaches, or service disruptions.

  References:

  CompTIA Cloud+ Certification Exam Objectives, page 14, section 2.7