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NEW QUESTION # 47
A system surpasses 75% to 80% of resource consumption. Which of the following scaling approaches is the most appropriate?
- A. Load
- B. Trending
- C. Scheduled
- D. Manual
Answer: A
Explanation:
Load scaling is the most appropriate approach when a system surpasses 75% to 80% of resource consumption.
This method involves adjusting resources dynamically in response to the current load, ensuring the system can handle increased demand without performance degradation. Load scaling can be automatic, allowing systems to scale up or down based on predefined metrics like CPU usage, memory, or network traffic, providing an efficient way to manage resources and maintain optimal performance.References: The CompTIA Cloud+ exam objectives include understanding cloud management and technical operations, which encompass knowledge of various scaling approaches, including load scaling, to ensure efficient resource utilization in cloud environments.
NEW QUESTION # 48
An e-commerce company is migrating from an on-premises private cloud environment to a public cloud IaaS environment. You are tasked with right-sizing the environment to save costs after the migration. The company's requirements are to provide a 20% overhead above the average resource consumption, rounded up.
INSTRUCTIONS
Review the specifications and graphs showing resource usage for the web and database servers. Determine the average resource usage and select the correct specifications from the available drop-down options.
Answer:
Explanation:
NEW QUESTION # 49
An e-commerce store is preparing for an annual holiday sale. Previously, this sale has increased the number of transactions between two and ten times the normal level of transactions. A cloud administrator wants to implement a process to scale the web server seamlessly. The goal is to automate changes only when necessary and with minimal cost.
Which of the following scaling approaches should the administrator use?
- A. Allow the load to trigger adjustments to the resources.
- B. Schedule the environment to scale resources before the sale begins.
- C. When traffic increases, adjust the resources using the cloud portal.
- D. Scale horizontally with additional web servers to provide redundancy.
Answer: A
Explanation:
To seamlessly scale the web server for an e-commerce store during an annual sale, it's best to allow the load to trigger adjustments to the resources. This approach uses autoscaling to automatically adjust the number of active servers based on the current load, ensuring an automated change that is cost-effective. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Cloud Scalability
NEW QUESTION # 50
A company receives files daily from a bank. The company requires that the files must be copied from the cloud storage resource to another cloud storage resource for further processing. Which of the following methods requires the least amount of effort to achieve the task?
- A. REST
- B. SOAP
- C. Remote procedure call
- D. Event-driven architecture
Answer: D
Explanation:
An event-driven architecture is the most efficient method for automating the task of copying files from one cloud storage resource to another upon their arrival. This architecture allows systems to automatically trigger actions based on specific events, such as the arrival of new files, minimizing manual effort and ensuring timely processing.
NEW QUESTION # 51
A cloud engineer is exploring options to reduce the management overhead of the servers and network. Which of the following cloud service models should the engineer implement?
- A. laaS
- B. XaaS
- C. PaaS
- D. SaaS
Answer: C
Explanation:
Platform as a Service (PaaS) provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app. Adopting PaaS can significantly reduce the management overhead of servers and networks. Reference: CompTIA Cloud Essentials+ Certification Study Guide (Exam CLO-002) by Scott Wilson.
NEW QUESTION # 52
Which of the following cloud deployment strategies is best for an organization that wants to run open-source workloads with other organizations that are sharing the cost?
- A. Community
- B. Private
- C. Public
- D. Hybrid
Answer: A
Explanation:
A community cloud deployment strategy is best for an organization that wants to run open-source workloads with other organizations while sharing the cost. Community clouds are collaborative efforts where infrastructure is shared between several organizations with common concerns, which could be regulatory, security, or compliance-related.
Reference: The concept of community clouds is discussed in the domain of Cloud Concepts within the CompTIA Cloud+ exam objectives.
NEW QUESTION # 53
A systems administrator is using VMs to deploy a new solution that contains a number of application VMs. Which of the following would provide high availability to the application environment in case of hypervisor failure?
- A. Cold migration
- B. Affinity rules
- C. Live migration
- D. Anti-affinity rules
Answer: D
Explanation:
Anti-affinity rules help ensure high availability by preventing multiple application VMs from running on the same hypervisor host. In case of hypervisor failure, this reduces the likelihood of all application VMs being affected, as they would be running on separate hosts. This allows for increased redundancy and fault tolerance in the application environment.
NEW QUESTION # 54
A developer is building an application that has multiple microservices that need to communicate with each other. The developer currently manually updates the IP address of each service. Which of the following best resolves the communication issue and automates the process?
- A. Fan-out
- B. Managed container services
- C. Service discovery
- D. DNS
Answer: C
Explanation:
Service discovery is a key component in microservices architectures, allowing services to dynamically discover and communicate with each other. By implementing service discovery, the developer can automate the process of updating service addresses, resolving the communication issue without manual updates to IP addresses, thus ensuring seamless interaction between the microservices.
NEW QUESTION # 55
An organization wants to ensure its data is protected in the event of a natural disaster. To support this effort, the company has rented a colocation space in another part of the country. Which of the following disaster recovery practices can be used to best protect the data?
- A. Off-site
- B. Retention
- C. On-site
- D. Replication
Answer: A
Explanation:
For an organization looking to protect its data in the event of a natural disaster, the best disaster recovery practice would be off-site replication. By renting a colocation space in another part of the country, the company can maintain copies of their data and critical systems in a geographically separate location, ensuring they are not affected by the same disaster.
NEW QUESTION # 56
A system administrator supports an application in the cloud, which includes a restful API that receives an encrypted message that is passed to a calculator system. The administrator needs to ensure the proper function of the API using a new automation tool. Which of the following techniques would be BEST for the administrator to use to accomplish this requirement?
- A. Performance testing
- B. Unit testing
- C. Functional testing
- D. Integration testing
Answer: C
Explanation:
Functional testing is a type of software testing that validates the software system against the functional requirements/specifications. The purpose of Functional tests is to test each function of the software application, by providing appropriate input, verifying the output against the Functional requirements.
NEW QUESTION # 57
A cloud engineer wants to deploy a new application to the cloud and is writing the following script:
Which of the following actions will this script perform?
- A. Create a new cloud resource.
- B. Upload a new VM image.
- C. Import a cloud module.
- D. Build a local server.
Answer: A
Explanation:
The script shown is written in Terraform, which is an infrastructure as code (IaC) tool used for building, changing, and versioning infrastructure safely and efficiently. This particular Terraform script specifies a required provider and its version, the Terraform version, sets the cloud provider's region, and then defines a resource for a server instance with a specific AMI ID and instance type. It also includes tags for the instance. The action this script will perform is to create a new cloud resource, specifically a server instance on the cloud provider's platform.
NEW QUESTION # 58
A company wants to combine solutions in a central and scalable environment to achieve the following goals:
* Control
* Visibility
* Automation
* Cost efficiency
Which of the following best describes what the company should implement?
- A. Application modernization
- B. Containerization
- C. Batch processing
- D. Workload orchestration
Answer: D
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.
NEW QUESTION # 59
A company is required to save historical data for seven years. A cloud administrator implements a script that automatically deletes data older than seven years. Which of the following concepts best describes why the historical data is being deleted?
- A. Data loss prevention
- B. Cost implications
- C. Tiered storage for archiving
- D. End of life
Answer: D
Explanation:
Deleting historical data older than seven years as described is an example of data end of life (EOL) policies in action. These policies dictate when data is no longer needed or relevant and should be securely disposed of, often for compliance, legal, or cost-saving reasons.
NEW QUESTION # 60
A company has developed an online trading platform. The engineering team selected event- based scaling for the platform's underlying resources. The platform resources scale up with every
2,000 subscribed users. The engineering team finds out that although compute utilization is low, scaling is still occurring. Which of the following statements best explains why this is the case?
- A. Event-based scaling does not take resource load into account.
- B. Event-based scaling should not track user subscriptions.
- C. Event-based scaling should not be triggered at the 2,000-user frequency.
- D. Event-based scaling does not scale down resources.
Answer: A
Explanation:
Event-based scaling triggers based on specific events, such as the number of user subscriptions in this case. It does not necessarily account for the actual load or utilization of compute resources. This is why the platform's resources continue to scale up even though compute utilization is low; the scaling decision is being made based on the number of subscribed users rather than the current resource usage.
NEW QUESTION # 61
A list of CVEs was identified on a web server. The systems administrator decides to close the ports and disable weak TLS ciphers. Which of the following describes this vulnerability management stage?
- A. Identification
- B. Scanning
- C. Assessment
- D. Remediation
Answer: D
Explanation:
Closing the ports and disabling weak TLS ciphers as a response to a list of identified CVEs (Common Vulnerabilities and Exposures) describes the vulnerability management stage of
'remediation'. This stage involves taking actions to resolve vulnerabilities and mitigate potential risks.
NEW QUESTION # 62
A software engineer needs to transfer data over the internet using programmatic access while also being able to query the data. Which of the following will best help the engineer to complete this task?
- A. Web sockets
- B. RPC
- C. GraphQL
- D. SQL
Answer: C
Explanation:
GraphQL is the best option for transferring data over the internet with programmatic access and querying capabilities. It is a query language for APIs and a runtime for executing those queries with existing data, providing a more efficient, powerful, and flexible alternative to the REST API.
NEW QUESTION # 63
A cloud engineer wants to implement a disaster recovery strategy that:
. Is cost-effective.
. Reduces the amount of data loss in case of a disaster.
. Enables recovery with the least amount of downtime.
Which of the following disaster recovery strategies best describes what the cloud engineer wants to achieve?
- A. Warm site
- B. Off site
- C. Hot site
- D. Cold site
Answer: C
Explanation:
A hot site is a disaster recovery strategy that is cost-effective, minimizes data loss, and allows for the fastest recovery time in case of a disaster. It is an exact replica of the original site of the organization, with full computer systems as well as near-complete backups of user data. Hot sites are operational 24/7 and can take over functionality from the primary site immediately or with minimal delay. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Disaster Recovery
NEW QUESTION # 64
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Tested Material Used To CV0-004: https://drive.google.com/open?id=18UkVs03YoA2SLtkB-F7fs9T-IepdumS8
