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Free CV0-004 Exam Braindumps (page: 4)

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PDF with 213 Questions

A cross-site request forgery vulnerability exploited a web application that was hosted in a public laaS network. A security engineer determined that deploying a WAF in blocking mode at a CDN would prevent the application from being exploited again. However, a week after implementing the WAF, the application was exploited again.
Which of the following should the security engineer do to make the WAF control effective?

  1. Configure the DDoS protection on the CDN.
  2. Install endpoint protection software on the VMs
  3. Add an ACL to the VM subnet.
  4. Deploy an IDS on the laaS network.

Answer(s): C

Explanation:

After a WAF deployment fails to prevent an exploit, adding an Access Control List (ACL) to the Virtual Machine (VM) subnet can be an effective control. ACLs provide an additional layer of security by explicitly defining which traffic can or cannot enter a network segment. By setting granular rules based on IP addresses, protocols, and ports, ACLs help to restrict access to resources, thereby mitigating potential exploits and enhancing the security of the IaaS network.


Reference:

CompTIA Cloud+ materials cover governance, risk, compliance, and security for the cloud, including the implementation of network security controls like ACLs, to protect cloud environments from unauthorized access and potential security threats.



A cloud engineer wants containers to run the latest version of a container base image to reduce the number of vulnerabilities. The applications in use requite Python 3.10 and ate not compatible with any other version. The containers' images are created every time a new version is released from the source image. Given the container Dockerfile below:



Which of the following actions will achieve the objectives with the least effort?

  1. Perform docker pull before executing docker run.
  2. Execute docker update using a local cron to get the latest container version.
  3. Change the image to use python:latest on the image build process.
  4. Update the Dockerfile to pin the source image version.

Answer(s): A

Explanation:

Performing a "docker pull" before executing "docker run" ensures that the latest version of the container base image is used, aligning with the objective of reducing vulnerabilities. This command fetches the latest image version from the repository, ensuring that the container runs the most up- to-date and secure version of the base image. This approach is efficient and requires minimal effort,

as it automates the process of maintaining the latest image versions for container deployments.


Reference:

Within the CompTIA Cloud+ examination scope, understanding management and technical operations in cloud environments, including container management and security, is critical. This includes best practices for maintaining up-to-date container images to minimize vulnerabilities.



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

  1. Load
  2. Scheduled
  3. Manual
  4. Trending

Answer(s): A

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.


Reference:

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.



A software engineer is integrating an application lo The cloud that is web socket based.
Which of the following applications is the engineer most likely deploying?

  1. Image-sharing
  2. Data visualization
  3. Chat
  4. File transfer

Answer(s): C

Explanation:

A chat application is most likely to be deployed when integrating a web socket-based application to the cloud. Web sockets provide full-duplex communication channels over a single, long-lived connection, which is ideal for real-time applications like chat services that require persistent connections between the client and server for instant data exchange.


Reference:

CompTIA Cloud+ materials cover cloud networking concepts, emphasizing the importance of choosing the right technologies, like web sockets, for specific application requirements to ensure efficient and responsive cloud-based services.






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