Authentic CompTIA CV0-004 Exam Dumps PDF - 2025 Updated

Get Prepared for Your CV0-004 Exam With Actual 230 Questions

NEW QUESTION # 38
A company's website suddenly crashed. A cloud engineer investigates the following logs:

Which of the following is the most likely cause of the issue?

• A. DDoS
• B. SQL injection
• C. Cross-site scripting
• D. Leaked credentials

Answer: A

Explanation:
The logs indicate a sudden surge in access requests to the website's homepage, followed by 502 errors, which are indicative of server overload or failure to handle incoming requests. This pattern is typical of a Distributed Denial of Service (DDoS) attack, where multiple compromised systems flood the target with traffic, exceeding its capacity to handle requests, leading to service disruption.

NEW QUESTION # 39
Following a ransomware attack, the legal department at a company instructs the IT administrator to store the data from the affected virtual machines for a minimum of one year.
Which of the following is this an example of?

• A. Retention
• B. Integrity
• C. Encryption
• D. Recoverability

Answer: A

Explanation:
The instruction by the legal department to store data from the affected virtual machines for a minimum of one year is an example of data Retention. Retention policies are often driven by regulatory compliance requirements and dictate how long certain types of data must be kept before they can be securely disposed of.

NEW QUESTION # 40
A security analyst reviews the daily logs and notices the following suspicious activity:

The analyst investigates the firewall logs and identities the following:

Which of the following steps should the security analyst take next to resolve this issue? (Choose two.)

• A. Check the running processes to confirm if a backdoor connection has been established.
• B. Contact John Smith and request the Ethernet cable attached to the desktop be unplugged
• C. Submit an IT support ticket and request Kali Linux be uninstalled from John Smith's computer
• D. Block all inbound connections on port 4444 and block the IP address 201.101.25.121.
• E. Upgrade the Windows x64 operating system on John Smith's computer to the latest version.
• F. Block all outbound connections from the IP address 10.150.71.151.

Answer: A,D

Explanation:
Given the suspicious activity and Kali Linux's association with penetration testing and hacking tools, the security analyst should block all inbound connections on port 4444, as it is commonly used for malicious purposes, and block the IP address that's potentially the source of the intrusion. Additionally, checking the running processes on John Smith's computer is crucial to determine if a backdoor or unauthorized connection has been established.

NEW QUESTION # 41
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. Defaced website
• C. Cryptojacking
• D. Leaked credentials

Answer: A

Explanation:
The output from the 'ps' command indicates there is a process running under the UID (User ID) of
0, which is the root user, and the command that was run is '/var/www/command.py'. Given that the normal Apache processes are running under their own UID (65535), this suggests that a command was executed with root privileges that typically should not have such high-level access.
This is a strong indicator of privilege escalation, where an unauthorized user or process gains elevated access to resources that are normally protected from an application or user.

NEW QUESTION # 42
A cloud engineer wants to implement a monitoring solution to detect cryptojacking and other cryptomining malware on cloud instances. Which of the following metrics would most likely be used to identify the activity?

• A. Network packets
• B. Disk I/O
• C. Percent of CPU utilization
• D. Average memory utilization

Answer: C

Explanation:
To detect cryptojacking and other cryptomining malware on cloud instances, monitoring the percent of CPU utilization is most effective. Cryptomining malware typically consumes a significant amount of CPU resources for mining operations, leading to unusually high CPU usage. Monitoring and analyzing CPU utilization metrics can help identify instances of cryptojacking by highlighting abnormal levels of resource consumption.
Reference: Understanding management and technical operations in cloud environments, as outlined in the CompTIA Cloud+ objectives, includes the use of monitoring solutions to detect and respond to security threats like cryptomining malware, ensuring the integrity and performance of cloud resources.

NEW QUESTION # 43
A cloud engineer is troubleshooting a connectivity issue. The application server with IP 192.168.1.10 in one subnet is not connecting to the MySQL database server with IP 192.168.2 20 in a different subnet. The cloud engineer reviews the following information:
Application Server Stateful Firewall


Which of the following should the cloud engineer address lo fix the communication issue?

• A. The Application Server Subnet Routing Table
• B. The MySQL Server Subnet Routing Table
• C. The MySQL Server Stateful Firewall
• D. The Application Server Stateful Firewall

Answer: C

Explanation:
The connectivity issue between the application server and the MySQL database server in different subnets is likely due to the MySQL Server Stateful Firewall's inbound rules. The application server has an IP of 192.168.1.10, but the MySQL server's inbound rules only permit IP 192.168.1.10/32 on port 3306. This rule allows only a single IP address (192.168.1.10) to communicate on port 3306, which is typical for MySQL. However, if the application server's IP is not 192.168.1.10 or the application is trying to communicate on a different port, it would be blocked. To fix the communication issue, the cloud engineer should address the inbound rules on the MySQL Server Stateful Firewall to ensure that the application server's IP address and the required port are allowed. Reference: Based on the information provided in the question and general networking principles.

NEW QUESTION # 44
Which of the following service options would provide the best availability for critical applications in the event of a disaster?

• A. Cloud bursting
• B. Edge computing
• C. Multicloud tenancy
• D. Availability zones

Answer: D

Explanation:
Availability zones provide the best availability for critical applications in the event of a disaster. They are distinct locations within a cloud region that are engineered to be isolated from failures in other availability zones, thus providing redundancy and failover capabilities, which is essential for maintaining high availability of critical applications.References: The concept of availability zones and their importance in disaster recovery and high availability is covered under the domain of Management and Technical Operations in the CompTIA Cloud+ objectives.

NEW QUESTION # 45
A SaaS provider introduced new software functionality for customers as part of quarterly production enhancements. After an update is implemented, users cannot locate certain transactions from an inbound integration. During the investigation, the application owner finds the following error in the logs:
Error: REST API - Deprecated call is no longer supported in this
release.
Which of the following is the best action for the application owner to take to resolve the issue?

• A. Ask the users to monitor the quarterly updates.
• B. Include the custom integration in the quarterly testing scope.
• C. Revert the application to the last stable quarterly release.
• D. Update the custom integration to use a supported function.

Answer: D

Explanation:
The error message indicates that the SaaS provider has deprecated a function that was previously called by the custom integration. The best action for the application owner to take is to update the custom integration to use a function that is supported in the current release. This is a direct solution to the problem and ensures the custom integration conforms to the updated SaaS provider's API.

NEW QUESTION # 46
Which of the following compute resources is the most optimal for running a single scripted task on a schedule?

• A. Managed container
• B. Bare-metal server
• C. Serverless function
• D. Virtual machine

Answer: C

Explanation:
Serverless functions are ideal for running scripted tasks on a schedule because they can be triggered by events, run the task, and then shut down, incurring costs only for the actual compute time used. This eliminates the need for a continuously running server and is optimal for sporadic or scheduled tasks.

NEW QUESTION # 47
Which of the following service options would provide the best availability for critical applications in the event of a disaster?

• A. Cloud bursting
• B. Edge computing
• C. Multicloud tenancy
• D. Availability zones

Answer: D

Explanation:
Availability zones provide the best availability for critical applications in the event of a disaster. They are distinct locations within a cloud region that are engineered to be isolated from failures in other availability zones, thus providing redundancy and failover capabilities, which is essential for maintaining high availability of critical applications.
Reference: The concept of availability zones and their importance in disaster recovery and high availability is covered under the domain of Management and Technical Operations in the CompTIA Cloud+ objectives.

NEW QUESTION # 48
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 compute utilization of the VMs being migrated
• B. The IOPS on the SAN backing the on-premises cluster
• C. The on-premises ISP throttling rate
• D. The on-premises VM host hardware utilization

Answer: D

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

NEW QUESTION # 49
A company's man web application is no longer accessible via the internet. The cloud administrator investigates and discovers the application is accessible locally and only via an IP access. Which of the following was misconfigured?

• A. DHCP
• B. DNS
• C. NAT
• D. IP

Answer: B

Explanation:
When a web application is accessible locally via an IP address but not via the internet, the issue likely lies with the Domain Name System (DNS). DNS is responsible for translating domain names into IP addresses. A misconfiguration in DNS records or failure in DNS resolution can prevent users from accessing the application through its domain name, even though the application itself is running and accessible via its direct IP address.References: In the CompTIA Cloud+ curriculum, understanding cloud concepts and networking fundamentals, including DNS, is crucial for troubleshooting and ensuring applications are accessible and perform optimally in cloud environments.

NEW QUESTION # 50
An organization's critical data was exfiltrated from a computer system in a cyberattack. A cloud analyst wants to identify the root cause and is reviewing the following security logs of a software web application:
"2021/12/18 09:33:12" "10. 34. 32.18" "104. 224. 123. 119" "POST / login.php?u=administrator&p=or%201%20=1"
"2021/12/18 09:33:13" "10.34. 32.18" "104. 224. 123.119" "POST /login. php?u=administrator&p=%27%0A"
"2021/12/18 09:33:14" "10. 34. 32.18" "104. 224. 123. 119" "POST /login. php?u=administrator&p=%26"
"2021/12/18 09:33:17" "10.34. 32.18" "104. 224. 123.119" "POST / login.php?u=administrator&p=%3B"
"2021/12/18 09:33:12" "10.34. 32. 18" "104. 224. 123. 119" "POST / login. php?u=admin&p=or%201%20=1"
"2021/12/18 09:33:19" "10.34.32.18" "104. 224. 123.119" "POST / login. php?u=admin&p=%27%0A"
"2021/12/18 09:33:21" "10. 34. 32.18" "104.224. 123.119" "POST / login. php?u=admin&p=%26"
"2021/12/18 09:33:23" "10. 34. 32.18" "104. 224. 123.119" "POST / login. php?u=admin&p=%3B" Which of the following types of attacks occurred?

• A. Reuse of leaked credentials
• B. Cross-site scripting
• C. Privilege escalation
• D. SQL injection

Answer: D

Explanation:
The security logs of the software web application show patterns that are typical of an SQL injection attack. This is evidenced by the inclusion of SQL syntax in the user input fields in an attempt to manipulate the database. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Cloud Security Threats

NEW QUESTION # 51
Which of the following is an auditing procedure that ensures service providers securely manage the data to protect the interests of the organization and the privacy of its clients?

• A. CIS
• B. ITIL
• C. ISO 27001
• D. SOC2

Answer: D

Explanation:
SOC2 (Service Organization Control 2) is an auditing procedure that ensures service providers securely manage data to protect the interests of an organization and the privacy of its clients.
SOC2 is specifically designed for service providers storing customer data in the cloud, making it pertinent for data management and privacy.

NEW QUESTION # 52
A company uses containers to implement a web application. The development team completed internal testing of a new feature and is ready to move the feature to the production environment. Which of the following deployment models would best meet the company's needs while minimizing cost and targeting a specific subset of its users?

• A. In-place
• B. Canary
• C. Rolling
• D. Blue-green

Answer: B

Explanation:
The canary deployment model is an approach where a new feature or service is rolled out to a small subset of users before being deployed widely. This method allows the company to test the impact of the new feature in the production environment with a limited scope, minimizing risk and potential cost implications if issues arise. This approach contrasts with blue-green deployments, which involve switching between two identical environments; rolling deployments, which gradually update all instances; and in-place deployments, which update the current environment. The canary model is particularly suited for targeting specific user groups and gathering feedback before a full rollout.

NEW QUESTION # 53
A company hosts various containerized applications for business uses. A client reports that one of its routine business applications fails to load the web-based login prompt hosted in the company cloud.

INSTRUCTIONS
Click on each device and resource. Review the configurations, logs, and characteristics of each node in the architecture to diagnose the issue. Then, make the necessary changes to the WAF configuration to remediate the issue.
Web app 1

Web app 2

Web app 3

Web app 4

Client app

• A. Check the Explanation for the complete Solution

Answer: A

Explanation:
The issue is with Web app 1 (Finance application).
From the WAF logs, we can see that requests to https://webapp1.comptia.org/FIN/login.html are being blocked (Rule ID 1006). The rule is configured to block access to the finance application's login page. This corresponds to the reported issue of the web-based login prompt not loading.
To remediate the issue, the WAF configuration for Rule ID 1006 should be changed from "Block" to "Allow". This will enable the web-based login prompt to load for the client.
Additionally, the client app configuration indicates that the client laptop (IP 192.168.10.142) is trying to access the service, and the WAF logs show that requests from this IP are being blocked due to the current rule set. Changing the action for Rule ID 1006 will also ensure that legitimate attempts to access the login page from this IP are not blocked.
Steps for remediation:
Go to the WAF configuration.
Find Rule ID 1006 for the Finance application 1.
Change the action from "Block" to "Allow".
Save the changes.
Reference:
Web application firewall (WAF) configurations typically include rules that define which traffic should be allowed or blocked. Blocking legitimate traffic to login pages can prevent users from accessing the application, which seems to be the case here.
Client application configurations and WAF logs provide valuable insights into the source of the traffic and the rules that are affecting it. It's important to ensure that the rules align with the intended access policies for the application.

NEW QUESTION # 54
A company has decided to adopt a microservices architecture for its applications that are deployed to the cloud. Which of the following is a major advantage of this type of architecture?

• A. Rapid feature deployment
• B. Simplified communication
• C. Reduced server cost
• D. Increased security

Answer: A

Explanation:
A major advantage of adopting a microservices architecture is rapid feature deployment. Microservices allow for independent development, deployment, and scaling of individual service components, enabling teams to bring new features to market more quickly and efficiently compared to monolithic architectures.
Reference: The CompTIA Cloud+ certification covers cloud design aspects, including architectural models like microservices, emphasizing their role in facilitating agile development practices and rapid feature release cycles in cloud environments.

NEW QUESTION # 55
Which of the following provides secure, private communication between cloud environments without provisioning additional hardware or appliances?

• A. Transit gateway
• B. VPN
• C. VPC peering
• D. BGP

Answer: C

Explanation:
VPC peering provides secure, private communication between cloud environments without the need for provisioning additional hardware or appliances. It allows direct network connectivity between two Virtual Private Clouds (VPCs), enabling resources in either VPC to communicate with each other using private IP addresses.

NEW QUESTION # 56
A company hosts various containerized applications for business uses. A client reports that one of its routine business applications fails to load the web-based login prompt hosted in the company cloud.

INSTRUCTIONS
Click on each device and resource. Review the configurations, logs, and characteristics of each node in the architecture to diagnose the issue. Then, make the necessary changes to the WAF configuration to remediate the issue.
Web app 1

Web app 2

Web app 3

Web app 4

Client app

Answer:

Explanation:
The issue is with Web app 1 (Finance application).
From the WAF logs, we can see that requests to https://webapp1.comptia.org/FIN/login.html are being blocked (Rule ID 1006). The rule is configured to block access to the finance application's login page. This corresponds to the reported issue of the web-based login prompt not loading.
To remediate the issue, the WAF configuration for Rule ID 1006 should be changed from "Block" to "Allow". This will enable the web-based login prompt to load for the client.
Additionally, the client app configuration indicates that the client laptop (IP 192.168.10.142) is trying to access the service, and the WAF logs show that requests from this IP are being blocked due to the current rule set. Changing the action for Rule ID 1006 will also ensure that legitimate attempts to access the login page from this IP are not blocked.
Steps for remediation:
Go to the WAF configuration.
Find Rule ID 1006 for the Finance application 1.
Change the action from "Block" to "Allow".
Save the changes.
Reference:
Web application firewall (WAF) configurations typically include rules that define which traffic should be allowed or blocked. Blocking legitimate traffic to login pages can prevent users from accessing the application, which seems to be the case here.
Client application configurations and WAF logs provide valuable insights into the source of the traffic and the rules that are affecting it. It's important to ensure that the rules align with the intended access policies for the application.

NEW QUESTION # 57
A company has ten cloud engineers working on different manual following is the best method to address this issue?

• A. Deployment documentation
• B. Service logging
• C. Change ticketing
• D. Configuration as code

Answer: D

Explanation:
Configuration as code is the best method to address the issue of cloud engineers working on different manual configurations. This practice allows configurations to be scripted and automated, which reduces human error, enhances consistency, and makes the deployment process more efficient and reproducible.

NEW QUESTION # 58
Which of the following is a direct effect of cloud migration on an enterprise?

• A. The enterprise must reorganize the reporting structure.
• B. Utility costs will be reduced on premises.
• C. Compatibility issues must be addressed on premises after migration.
• D. Cloud solutions will require less resources than on-premises installations.

Answer: B

Explanation:
Cloud migration typically results in a reduction of on-premises utility costs because the physical infrastructure requirements, such as power and cooling, are transferred to the cloud provider. This shift can lead to significant savings in utility expenses for the enterprise. Reference: CompTIA Cloud+ Guide to Cloud Computing (ISBN: 978-1-64274-282-2)

NEW QUESTION # 59
Which of the following vulnerability management concepts is best defined as the process of discovering vulnerabilities?

• A. Scanning
• B. Assessment
• C. Remediation
• D. Identification

Answer: D

Explanation:
In vulnerability management, 'Identification' is the concept best defined as the process of discovering vulnerabilities. This step is crucial as it involves detecting vulnerabilities in systems, software, and networks, which is the first step in the vulnerability management process before moving on to assessment, remediation, and reporting.

NEW QUESTION # 60
A DevOps engineer is performing maintenance on the mail servers for a company's web application. Part of this maintenance includes checking core operating system updates. The servers are currently running version
3.2 of the operating system. The engineer has two update options-one to version 4.1 and the other to version
3.7. Both versions are fully supported by the operating system manufacturer. Which of the following best describes the action the engineer should take?

• A. Upgrade to 4.1 on one production server at a time.
• B. Upgrade to 3.7 in the development environment.
• C. Read the release notes on version 4.1.
• D. Schedule a maintenance window and upgrade to 3.7 in the production environment.

Answer: B

Explanation:
Before making any updates to the production environment, the best course of action is to perform the update in a development or testing environment. Upgrading to version 3.7, which is a minor update, is generally less risky and should be tested first to ensure compatibility and stability before considering the major update to version 4.1.References: The process of updating and maintaining servers, including the validation of updates in a non-production environment, is part of the technical operations management covered in CompTIA Cloud+.

NEW QUESTION # 61
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? (Select two).

• A. Contact the customers to inform them about the data breach.
• B. Inform the management and legal teams about the data breach
• C. Contact the hackers to negotiate payment lo unlock the server.
• D. Modify the firewall rules to block the IP addresses and update the ports.
• E. Delete confidential data used on other servers that might be compromised.
• F. Send a global communication to inform all impacted users.

Answer: A,B

Explanation:
After a zero-day exploit resulting in a data breach and ransomware installation, it is critical to inform affected customers about the breach and the potential impact on their data. Additionally, the management and legal teams should be notified to handle the situation in compliance with regulatory requirements and to coordinate an appropriate response.
Reference: Handling security incidents and communication strategies after a data breach are crucial elements of the governance and risk compliance domains in CompTIA Cloud+.

NEW QUESTION # 62
A cloud solutions architect needs to design a solution that will collect a report and upload it to an object storage service every time a virtual machine is gracefully or non-gracefully stopped. Which of the following will best satisfy this requirement?

• A. A script embedded on the stopping VM's OS that will upload the logs on system shutdown
• B. Creating a webhook that will trigger on VM shutdown API calls and upload the requested files from the volume attached to the VM into the object-defined storage service
• C. An event-driven architecture that will send a message when the VM shuts down to a log-collecting function that extracts and uploads the log directly from the storage volume
• D. An API of the object-defined storage service that will scrape the stopped VM disk and self-upload the required files as objects

Answer: C

Explanation:
An event-driven architecture is suited for this scenario, where an event (like a VM shutdown) triggers a function to execute specific tasks (log collection and upload). This approach is efficient and ensures that the logs are collected and uploaded to an object storage service every time the VM is stopped, regardless of whether it is a graceful or non-graceful shutdown. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Cloud Delivery Implementations

NEW QUESTION # 63
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