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Free CompTIA CV0-003 Exam Question Practice Exams
CompTIA CV0-003 certification stands out among the other cloud computing certifications as it is vendor-neutral. This means that an IT professional who has obtained the certification can work with any organization, regardless of the cloud platform they use. It is a valuable certification that holds a vast array of benefits for both individual IT professionals and organizations.
NEW QUESTION # 178
A systems administrator wants the VMs on the hypervisor to share CPU resources on the same core when feasible.
Which of the following will BEST achieve this goal?
- A. Configure CPU passthrough
- B. Switch from a Type 1 to a Type 2 hypervisor
- C. Oversubscribe CPU resources
- D. Increase instructions per cycle
- E. Enable simultaneous multithreading
Answer: E
Explanation:
Explanation
Simultaneous multithreading (SMT) is a type of CPU technology that allows multiple threads to run concurrently on a single CPU core. Enabling SMT can help achieve the goal of having the VMs on the hypervisor share CPU resources on the same core when feasible, as it can increase the CPU utilization and efficiency by executing more instructions per cycle and reducing idle time or wasted cycles. Enabling SMT can also improve performance and throughput, as it can speed up processing and handle increased workload or demand. References: CompTIA Cloud+ Certification Exam Objectives, page 9, section 1.4
NEW QUESTION # 179
Which of the following service models would be used for a database in the cloud?
- A. SaaS
- B. CaaS
- C. PaaS
- D. laaS
Answer: C
Explanation:
PaaS is the most suitable service model would be used for a database in the cloud.
IaaS is of course can be used to bring up instances and then install database application on top of those instances. However, this approach does not utilize full advantages and benefits of cloud computing. The administrators have to manage and maintain all necessary infrastructure that can be offload by PaaS solution.
Example: Azure SQL Database is a fully managed platform as a service (PaaS) database engine that handles most of the database management functions such as upgrading, patching, backups, and monitoring without user involvement. SQL Server on Azure Virtual Machines (VMs) is an IaaS offer and allows you to run SQL Server inside a virtual machine in the cloud.
NEW QUESTION # 180
A systems administrator needs to configure a set of policies to protect the data to comply with mandatory regulations.
Which of the following should the administrator implement to ensure DLP efficiently prevents the exposure of sensitive data in a cloud environment?
- A. Segmentation
- B. Versioning
- C. Integrity
- D. Classification
Answer: D
Explanation:
Classification is a process of assigning labels or categories to data based on its sensitivity, value, or risk level. Classification can help implement data loss prevention (DLP) policies by identifying which data needs to be protected and how to protect it according to its classification level. Classification can also help comply with mandatory regulations by ensuring that data is handled and stored appropriately based on its legal or contractual requirements. Classification is essential for DLP to efficiently prevent the exposure of sensitive data in a cloud environment. Reference: CompTIA Cloud+ Certification Exam Objectives, page 14, section 2.7
NEW QUESTION # 181
In a private cloud environment, which of the following is the BEST way to update 20 VMs with the same patch that has been regression tested and approved for rollout?
- A. Deploy the patch to ten VMs for testing and then install it on the remaining VMs.
- B. Roll out the patch manually to the 20 VMs and reboot the system.
- C. Install the patch on as many VMs as possible during the next maintenance window.
- D. Automate the distribution of the patch and use an orchestration tool to roll it out.
Answer: C
NEW QUESTION # 182
An administrator is performing an in-place upgrade on a quest VM operating system.
Which of the following can be performed as a quick method to roll back to an earlier state, if necessary?
- A. A configuration file backup
- B. A differential backup
- C. A VM-level snapshot
- D. A full backup of the database
Answer: C
Explanation:
Reference:
https://cloud.google.com/compute/docs/tutorials/performing-in-place-upgrade-windows-server
NEW QUESTION # 183
Which of the following elements should be tested when deploying cloud based services? (Select two.)
- A. Caching
- B. Application performance
- C. Virtual routers
- D. Bandwidth
- E. Jumbo frames
Answer: A,B,D
NEW QUESTION # 184
After accidentally uploading a password for an IAM user in plain text, which of the following should a cloud administrator do FIRST?
- A. Delete the affected IAM user
- B. Identify the resources that are accessible to the affected IAM user
- C. Remove the published plain-text password
- D. Notify users that a data breach has occurred
- E. Change the affected IAM user's password
Answer: C
NEW QUESTION # 185
The requirements for a web application state that it must be architected for high availability. The web application consists of front-end web server and back-end database server components respectively. Which of the following describes a solution that meets this requirement, while minimizing costs?
- A. Two front-end web servers and one back-end database server
- B. Two front-end web servers and two back-end database servers
- C. Two load balanced front-end web servers and two clustered back-end database servers
- D. One front-end web server and two clustered back-end database servers
Answer: C
NEW QUESTION # 186
A systems administrator wants the VMs on the hypervisor to share CPU resources on the same core when feasible. Which of the following will BEST achieve this goal?
- A. Oversubscribe CPU resources.
- B. Switch from a Type 1 to a Type 2 hypervisor.
- C. Increase instructions per cycle.
- D. Enable simultaneous multithreading.
- E. Configure CPU passthrough.
Answer: D
NEW QUESTION # 187
A systems administrator is configuring network management but is concerned about confidentiality. Which of the following should the administrator configure to address this concern?
- A. IPSec tunnels
- B. Community strings
- C. ACLs
- D. SNMPv3
Answer: D
Explanation:
SNMPv3 is the protocol that the administrator should configure to address the concern about confidentiality for network management. SNMP (Simple Network Management Protocol) is a standard protocol that allows network devices and systems to exchange information and perform management tasks. SNMPv3 is the latest version of SNMP that provides security enhancements, such as authentication, encryption, and access control, to protect the confidentiality, integrity, and availability of network data.
NEW QUESTION # 188
Which of the following are types of storage media? (Select two.)
- A. USB
- B. SSD
- C. SATA
- D. Tape
- E. SCSI
Answer: B,D
NEW QUESTION # 189
A systems administrator is troubleshooting performance issues with a Windows VDI environment. Users have reported that VDI performance has been slow since the images were upgraded from Windows 7 to Windows
10.
This VDI environment is used to run simple tasks, such as Microsoft Office. The administrator investigates the virtual machines and finds the following settings:
4 vCPU
16GB RAM
10Gb networking
256MB frame buffer
Which of the following MOST likely needs to be upgraded?
- A. vGPU
- B. vRAM
- C. vNIC
- D. vCPU
Answer: A
Explanation:
Explanation
A virtual graphics processing unit (vGPU) is a type of hardware or software that enables a VM to use the physical GPU resources of the host or server for graphics-intensive tasks. Upgrading the vGPU is most likely to solve the issue of VDI performance being slow since the images were upgraded from Windows 7 to Windows 10, as it can provide more graphics processing power and memory for the VMs. Upgrading the vGPU can also improve the user experience and productivity, as it can enhance the display quality and responsiveness of the VDI environment. References: CompTIA Cloud+ Certification Exam Objectives, page
11, section 1.6
NEW QUESTION # 190
A cloud engineer recently used a deployment script template to implement changes on a cloud-hosted web application. The web application communicates with a managed database on the back end. The engineer later notices the web application is no longer receiving data from the managed database. Which of the following is the MOST likely cause of the issue?
- A. Misconfiguration in the network ACL
- B. Misconfiguration in the routing traffic
- C. Misconfiguration in the firewall
- D. Misconfiguration in the user permissions
Answer: A
Explanation:
The most likely cause of the issue is C. Misconfiguration in the network ACL. A network ACL (access control list) is a set of rules that controls the inbound and outbound traffic for a subnet or a virtual network in a cloud environment. A misconfiguration in the network ACL can block the communication between the web application and the managed database, resulting in data loss or unavailability. For example, according to the Azure SQL Database documentation1, if you use a virtual network service endpoint to secure your database, you need to configure the network ACL to allow traffic from the web application subnet to the database subnet. Otherwise, the web application will not be able to connect to the database. Similarly, according to the DigitalOcean tutorial2, if you use a managed database cluster, you need to add the web application's IP address or Droplet to the cluster's trusted sources list. Otherwise, the web application will not be able to access the database.
A misconfiguration in the user permissions, the routing traffic, or the firewall can also cause connectivity issues between the web application and the managed database, but they are less likely than a misconfiguration in the network ACL. A misconfiguration in the user permissions can prevent the web application from authenticating or authorizing with the database, but it will not affect the data transmission. A misconfiguration in the routing traffic can cause packets to be lost or delayed, but it will not block the communication entirely. A misconfiguration in the firewall can filter out unwanted traffic, but it will not affect the traffic that is allowed by the network ACL. Therefore, these are not the most likely causes of the issue. For more information on how to troubleshoot connectivity issues between a cloud-hosted web application and a managed database, you can refer to the AWS documentation3 or the Google Cloud documentation.
NEW QUESTION # 191
An administrator is performing an in-place upgrade on a quest VM operating system.
Which of the following can be performed as a quick method to roll back to an earlier state, if necessary?
- A. A configuration file backup
- B. A differential backup
- C. A VM-level snapshot
- D. A full backup of the database
Answer: C
NEW QUESTION # 192
An administrator is securing a private cloud environment and wants to ensure only approved systems can connect to switches. Which of the following would be MOST useful to accomplish this task?
- A. NAC
- B. VLAN
- C. WAF
- D. NIPS
Answer: A
NEW QUESTION # 193
A technician just received the lessons learned from some recent data that was lost due to an on-premises file-server crash. The action point is to change the backup strategy to minimize manual intervention. Which of the following is the BEST approach for the technician to implement?
- A. New backup devices
- B. Long-term storage
- C. RAID 1
- D. Backup as a service
Answer: B
NEW QUESTION # 194
An administrator is unable to connect to servers in the DMZ. Which of the following commands should the administrator run to determine where the connection failure occurs?
- A. netstat
- B. traceroute
- C. nslookup
- D. telnet
Answer: B
NEW QUESTION # 195
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