Question # 1 A cloud engineer was deploying the company's payment processing application, but it failed with the following error log:
ERFOR:root: Transaction failed http 429 response, please try again Which of the following are the most likely causes for this error? (Select two). A. API throttlingB. API gateway outageC. Web server outageD. OversubscriptionE. Unauthorized access
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A. API throttling
Answer Description Explanation:
The error "http 429 response, please try again" typically indicates API throttling, where the number of requests exceeds the rate limit set by the API provider, and insufficient quota, where the allowed number of API calls within a given timeframe has been exceeded.References: API throttling and quota management are key concepts in the management of cloud resources, as highlighted in the CompTIA Cloud+ curriculum.
Question # 2 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 workflowB. To enhance securityC. To reduce latencyD. To decrease cost
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C. To reduce latency
Answer Description 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 # 3 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 workflowB. To enhance securityC. To reduce latencyD. To decrease cost
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C. To reduce latency
Answer Description 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 # 4 A cloud service provider requires users to migrate to a new type of VM within three months. Which of the following is the best justification for this requirement? A. Security flaws need to be patched.B. Updates could affect the current state of the VMs.C. The cloud provider will be performing maintenance of the infrastructure.D. The equipment is reaching end of life and end of support.
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D. The equipment is reaching end of life and end of support.
Answer Description The best justification for a cloud service provider requiring users to migrate to a new type of VM within a specific time frame is that the equipment is reaching end of life and end of support (EOL/EOS). This means that the older type of VM will no longer receive updates or support, which could include important security patches, so it is necessary to move to newer VM types to maintain security and performance. References: CompTIA Cloud+ Study Guide (Exam CV0-004) by Todd Montgomery and Stephen Olson
Question # 5 Which of the following is a difference between a SAN and a NAS? A. A SAN works only with fiber-based networks.B. A SAN works with any Ethernet-based network.C. A NAS uses a faster protocol than a SAND. A NAS uses a slower protocol than a SAN.
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D. A NAS uses a slower protocol than a SAN.
Answer Description A NAS (Network Attached Storage) typically uses file-level protocols such as NFS or SMB, which are generally considered slower and less efficient than the block-level protocols used by SANs (Storage Area Networks), such as iSCSI or Fibre Channel. SANs are designed for high performance and low latency, making them more suitable for applications requiring fast and efficient storage access.
Question # 6 Servers in the hot site are clustered with the main site. A. Network traffic is balanced between the main site and hot site servers.B. Offline server backups are replicated hourly from the main site.C. All servers are replicated from the main site in an online status.D. Which of the following best describes a characteristic of a hot site?
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C. All servers are replicated from the main site in an online status.
Answer Description Explanation:
When servers in a hot site are clustered with the main site, it indicates that all servers are replicated from the main site in an online status. This means that the hot site maintains a live, real-time copy of data and applications, ensuring immediate availability in the event of a failure at the main site. Unlike options A and B, which describe load balancing and backup strategies respectively, clustering with a hot site as described in option C ensures that the hot site can take over with minimal downtime, maintaining business continuity.
References: CompTIA Cloud+ CV0-004 Study Guide and Official CompTIA Content
Question # 7 A developer at a small startup company deployed some code for a new feature to its public repository. A few days later, a data breach occurred. A security team investigated the incident and found that the database was hacked. Which of the following is the most likely cause of this breach? A. Database core dumpB. Hard-coded credentialsC. Compromised deployment agentD. Unpatched web servers
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B. Hard-coded credentials
Answer Description Hard-coded credentials within code, especially when deployed in a public repository, are a common security vulnerability. If credentials such as passwords or API keys are embedded in the code, anyone with access to the repository can potentially use them to gain unauthorized access to databases or other sensitive resources. This is a likely cause of the data breach in the scenario described. References: CompTIA Security+ Guide to Network Security Fundamentals by Mark Ciampa.
Question # 8 A cloud engineer needs to deploy a new version of a web application to 100 servers. In the past, new version deployments have caused outages. Which of the following deployment types should the cloud engineer implement to prevent the outages from happening this time? A. RollingB. Blue-greenC. CanaryD. Round-robin
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C. Canary
Answer Description Explanation:
A canary deployment is a pattern that reduces the risk of introducing a new software version in production by slowly rolling out the change to a small subset of users before rolling it out to the entire infrastructure. It's an effective strategy to prevent outages since it allows for monitoring and quick rollback if issues arise without affecting all users.References: Canary releases are part of deployment strategies that can help mitigate the risk of outages during updates, a concept included in the CompTIA Cloud+ curriculum.
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