CV0-004
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Question 1
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: SQL
- B: Web sockets
- C: RPC
- D: GraphQL
Question 2
A government agency in the public sector is considering a migration from on premises to the cloud. Which of the following are the most important considerations for this cloud migration? (Choose two.)
- A: Compliance
- B: IaaS vs. SaaS
- C: Firewall capabilities
- D: Regulatory
- E: Implementation timeline
- F: Service availability
Question 3
A cloud administrator is working on the deployment of an e-commerce website. The administrator evaluates the scaling methods to be implemented when seasonal or flash sales are launched. Which of the following scaling approaches should the administrator use to best manage this scenario?
- A: Scheduled
- B: Load
- C: Event
- D: Trending
Question 4
A security analyst confirms a zero-day vulnerability was exploited by hackers who gained access to confidential customer data and installed ransomware on the server. Which of the following steps should the security analyst take? (Choose two.)
- A: Contact the customers to inform them about the data breach
- B: Contact the hackers to negotiate payment to unlock the server
- C: Send a global communication to inform all impacted users
- D: Inform the management and legal teams about the data breach
- E: Delete confidential data used on other servers that might be compromised
- F: Modify the firewall rules to block the IP addresses and update the ports
Question 5
A software engineer is integrating an application to the cloud that is web socket based. Which of the following applications is the engineer most likely deploying?
- A: Image-sharing
- B: Data visualization
- C: Chat
- D: File transfer
Question 6
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: Rolling
- B: Blue-green
- C: Canary
- D: Round-robin
Question 7
Which of the following package managers would most likely be used with Ubuntu Linux?
- A: YUM
- B: DNF
- C: Pacman
- D: APT
Question 8
A cloud server needs to automatically allocate more resources during sudden peak times. This allocation does not need to occur in regular intervals. Which of the following scaling approaches should be used?
- A: Event
- B: Manual
- C: Trending
- D: Scheduled
Question 9
A company recently set up a CDN for its photography and image-sharing website. Which of the following is the most likely reason for the company's action?
- A: To eliminate storage costs
- B: To improve site speed
- C: To enhance security of static assets
- D: To prevent unauthorized access
Question 10
The company's IDS has reported an anomaly. The cloud engineer remotely accesses the cloud instance, runs a command, and receives the following information:
Which of the following is the most likely root cause of this anomaly?
- A: Privilege escalation
- B: Leaked credentials
- C: Cryptojacking
- D: Defaced website
Question 11
A developer is building a new application version using a CI/CD pipeline. The developer receives the following error message log when the build fails.
Which of the following is the most likely cause of this failure?
- A: Incorrect version
- B: Test case failure
- C: Broken build pipeline
- D: Dependency issue
Question 12
A company wants to implement a work environment that will have low operational overhead and highly accessible enterprise resource planning, email, and data resources. Which of the following cloud service models should the company implement?
- A: IaaS
- B: PaaS
- C: DBaaS
- D: SaaS
Question 13
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: Remote procedure call
- B: SOAP
- C: Event-driven architecture
- D: REST
Question 14
An on-premises data center is located in an earthquake-prone location. The workload consists of real-time, online transaction processing. Which of the following data protection strategies should be used to back up on-premises data to the cloud while also being cost-effective?
- A: Remote replication for failover
- B: A copy that is RAID 1 protected on spinning drives in an on-premises private cloud
- C: A full backup to on-site tape libraries in a private cloud
- D: Air-gapped protection to provide cyber resiliency
Question 15
Which of the following communication methods between on-premises and cloud environments would ensure minimal-to-low latency and overhead?
- A: Site-to-site VPN
- B: Peer-to-peer VPN
- C: Direct connection
- D: VPC peering
Question 16
A cloud engineer is collecting web server application logs to troubleshoot intermittent issues. However, the logs are piling up and causing storage issues. Which of the following log mechanisms should the cloud engineer implement to address this issue?
- A: Splicing
- B: Rotation
- C: Sampling
- D: Inspection
Question 17
A cloud security analyst is looking for existing security vulnerabilities on software applications. Which of the following describes this vulnerability management phase?
- A: Analyze
- B: Report
- C: Remediation
- D: Identification
Question 18
A new application that will be deployed to cloud VMs has the following requirements:
• Low inter-VM latency
• Horizontal scaling support
• 98.5% availability
• 8vCPU and 16GB
• Ability to split jobs across VMs
Which of the following will best meet these requirements?
- A: Load balanced 2vCPU with 4GB RAM on multiregion
- B: Load balanced 4vCPU with 8GB RAM on single availability zone
- C: Load balanced 2vCPU with 4GB RAM on multiple availability zones
- D: Single 8vCPU with 16GB RAM VM on single availability zone
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