CompTIA CompTIA Certifications CV0-003 Questions & Answers

• Question 401:

  A cloud administrator needs to reduce storage costs. Which of the following would best help the administrator reach that goal?

  A. Enabling compression

  B. Implementing deduplication

  C. Using containers

  D. Rightsizing the VMs

  Correct Answer: B

  Explanation: Deduplication is a process by which redundant data is eliminated, thus reducing the size of the dataset. Deduplication with cloud storage reduces the storage requirements, along with the amount of data to be transferred over the network, resulting in faster and more efficient data protection operations1. Deduplication can help to shrink the data footprint, lower the storage costs, and improve the performance of backup and recovery processes2. Deduplication can be applied at different levels, such as file-level, block-level, or byte-level, depending on the granularity and efficiency of the technique3. Deduplication can also be performed at different locations, such as source, target, or cloud, depending on the architecture and design of the storage system3. By implementing deduplication, a cloud administrator can achieve significant data savings and optimize the cloud storage costs4. References: Data deduplication techniques for efficient cloud storage management: a systematic review; How Data Deduplication Reduces Cloud Data Costs; How Data Deduplication Can Save Cloud Storage Costs?; Data Deduplication Overview; What is Data Deduplication and How Can it Help Reduce Cloud Costs?.

• Question 402:

  A cloud administrator has received a physical disk that was analyzed by the incident response team. Which of the following documents should the cloud administrator update?

  A. Chain of custody

  B. Incident taxonomy

  C. Risk register

  D. Incident playbook

  Correct Answer: A

  Explanation: Answer: A. Chain of custody

  A chain of custody is a document that records the sequence of custody, control, transfer, analysis, and disposition of physical or electronic evidence. A chain of custody is important to ensure the integrity and admissibility of evidence in legal

  cases. A cloud administrator who receives a physical disk that was analyzed by the incident response team should update the chain of custody to document when, how, and by whom the disk was handled, and what actions were performed

  on it12.

  An incident taxonomy is a classification system that provides additional information about an incident, such as the nature, impact, intent, root cause, and data exposed. An incident taxonomy is useful for identifying trends and patterns, but it

  does not track the movement or manipulation of evidence3.

  A risk register is a document that identifies, records, and assesses potential risks in a project or an organization. A risk register helps to prioritize and mitigate risks, and to develop contingency plans. A risk register is not directly related to the

  analysis of a physical disk by the incident response team4.

  An incident playbook is a document that provides a series of prescriptive steps and guidance for responding and resolving incidents. An incident playbook helps to simplify and standardize the response process, and to reduce human error.

  An incident playbook does not record the details or outcomes of the response actions5.

• Question 403:

  An organization's two-node, hybrid container cluster is experiencing failures during horizontal scaling to the cloud cluster instance. The on-premises IP range is 192.168.0.0/16, and the cloud environment is 10.168.0.0/16. Overlapping or stretched VLANs are not permitted, and a node is deployed in each location. The cloud monitoring agent reports a healthy status for the second instance, but when pinging the clusters from on premises, the following output is received:

  pinging cluster1. comptia. containers.com C192.168.100 reply pinging cluster2. comptia. containers.com [192.16B .100 .128] request timed out

  Which of the following is the most likely reason for the scaling failure?

  A. Incorrect DNS entry

  B. Offline cluster node

  C. Incorrect proxy entry

  D. Incorrect cluster IP

  E. Incorrect IP route

  Correct Answer: E

  An incorrect IP route is the most likely reason for the scaling failure, as it prevents the communication between the on-premises and cloud cluster nodes. The ping output shows that the DNS entry for cluster2.comptia.containers.com is resolved to an IP address in the cloud environment (192.168.100.128), but the request times out, indicating a network connectivity issue. An incorrect proxy entry, an offline cluster node, or an incorrect cluster IP would not cause the DNS resolution to fail. An incorrect DNS entry would not cause the ping request to time out. References: CompTIA Cloud+ CV0-003 Exam Objectives, Objective 2.2: Given a scenario, deploy and test a cloud solution ; Configuring clusters, scaling, and monitoring for hybrid api management ...1 ; CompTIA Cloud+ : Cloud High Availability and Scaling - Skillsoft2

• Question 404:

  A new development team requires workstations hosted in a PaaS to develop a new website. Members of the team also require remote access to the workstations using their corporate email addresses. Which of the following solutions will best meet these requirements? (Select two).

  A. Deploy new virtual machines.

  B. Configure email account replication.

  C. Integrate identity services.

  D. Implement a VDI solution.

  E. Migrate local VHD workstations.

  F. Create a new directory service.

  Correct Answer: CD

  Explanation: To meet the requirements of the development team, the cloud administrator should integrate identity services and implement a VDI solution. Identity services are used to authenticate and authorize users and devices to access cloud resources. By integrating identity services, the cloud administrator can enable the development team to use their corporate email addresses to log in to the PaaS workstations. A VDI solution is a virtualization technology that allows users to access remote desktops hosted on a cloud platform. By implementing a VDI solution, the cloud administrator can provide the development team with workstations that have the necessary tools and configurations for web development. References: [CompTIA Cloud+ CV0-003 Certification Study Guide], Chapter 2, Objective 2.1: Given a scenario, deploy cloud services and solutions.

• Question 405:

  A systems administrator is troubleshooting issues with audio lag during phone conferences. When looking at the core switch, the administrator notices its buffers are consistently full, and packets are being dropped due to the large number being sent and received. There is no room in the budget for new hardware, but it is critical that the audio lag be fixed immediately. Which of the following will most likely resolve the issue?

  A. Enable compression of audio traffic.

  B. Configure QoS rules for VolP traffic.

  C. Verify that the gateway uplink is not saturated.

  D. Add an exception to IPS for voice traffic.

  Correct Answer: B

  Explanation: Quality of Service (QoS) rules can be configured to prioritize certain types of traffic, such as voice over IP (VoIP) traffic. This can help reduce audio lag during phone conferences by ensuring that VoIP packets are delivered faster

  and with less delay than other types of traffic. QoS rules can be applied at different levels of the network, such as the core switch, the router, or the firewall. By configuring QoS rules for VoIP traffic, the administrator can avoid packet drops

  and buffer overflows that can affect the quality of the audio. References: [CompTIA Cloud+ CV0-003 Study Guide], Chapter 3, Objective 3.2:

  Given a scenario, troubleshoot network connectivity issues.

• Question 406:

  An organization is deploying development, quality assurance, and production environments with equal numbers of IP addresses to the cloud. The IP address range provided is 10.168.0.0/24, and it needs to be terminated on a firewall. Which of the following IP subnets and firewall IPS should be used for one of the environments?

  A. 10.168.0.0/26 and 10.168.0.63

  B. 10.168.0.64/26 and 10.168.0.64

  C. 10.168.0.128/26 and 10.168.0.190

  D. 10.168.0.128/26 and 10.168.0.194

  E. 10.168.0.192/26 and 10.168.0.191

  Correct Answer: A

  Explanation: The IP address range 10.168.0.0/24 can be divided into four equal subnets of 64 addresses each by using a /26 mask. The subnets are 10.168.0.0/26, 10.168.0.64/26, 10.168.0.128/26, and 10.168.0.192/26. The last address in each subnet is the broadcast address, and the second-last address can be used as the gateway address for that subnet. Therefore, one of the possible subnets and firewall IPs for one of the environments is 10.168.0.0/26 and 10.168.0.63. References: [CompTIA Cloud+ Study Guide], page 178.

• Question 407:

  A new development team requires workstations hosted in a PaaS to develop a new website. Members of the team also require remote access to the workstations using their corporate email addresses. Which of the following solutions will BEST meet these requirements? (Select TWO).

  A. Deploy new virtual machines.

  B. Configure email account replication.

  C. Integrate identity services.

  D. Implement a VDI solution.

  E. Migrate local VHD workstations.

  F. Create a new directory service.

  Correct Answer: AC

  A Platform-as-a-Service (PaaS) is a cloud computing model that provides customers a complete cloud platform--hardware, software, and infrastructure--for developing, running, and managing applications without the cost, complexity, and inflexibility that often comes with building and maintaining that platform on-premises1. To develop a new website using a PaaS, the development team needs to deploy new virtual machines (VMs) on the cloud platform. VMs are software emulations of physical computers that can run different operating systems and applications. By deploying new VMs, the development team can create a scalable and flexible environment for their website project, without having to invest in or manage physical hardware2. To enable remote access to the workstations using their corporate email addresses, the development team needs to integrate identity services on the cloud platform. Identity services are services that provide authentication, authorization, and identity management for users and devices accessing cloud resources. By integrating identity services, the development team can use their corporate email addresses as single sign-on (SSO) credentials to access their workstations from any device and location, while ensuring security and compliance3. The other options are not the best solutions for these requirements: Configuring email account replication is not necessary for remote access to the workstations. Email account replication is a process of synchronizing email accounts across different servers or locations. It can provide backup and redundancy for email services, but it does not provide authentication or identity management for remote access4. Implementing a Virtual Desktop Infrastructure (VDI) solution is not a PaaS solution. VDI is a technology that allows users to access virtual desktops hosted on a centralized server. VDI can provide remote access to desktop environments, but it requires additional hardware, software, and management costs that are not included in a PaaS model5. Migrating local VHD workstations is not a PaaS solution. VHD stands for Virtual Hard Disk, which is a file format that represents a virtual hard disk drive. Migrating local VHD workstations means moving the virtual hard disk files from local storage to cloud storage. This can provide backup and portability for the workstations, but it does not provide a complete cloud platform for developing and running applications6. Creating a new directory service is not necessary for remote access to the workstations. A directory service is a service that stores and organizes information about users, devices, and resources on a network. Creating a new directory service means setting up a new database and schema for storing this information. This can provide identity management and access control for the network, but it does not provide authentication or SSO for remote access.

• Question 408:

  A VDI administrator is deploying 512 desktops for remote workers. Which of the following would meet the minimum number of IP addresses needed for the desktops?

  A. /22

  B. /23

  C. /24

  D. /25

  Correct Answer: B

  Explanation: A /23 subnet mask has 9 bits for the host portion, which allows up to 512 IP addresses for the desktops. A /22 subnet mask has 10 bits for the host portion, which allows up to 1024 IP addresses, but this is more than the minimum required. A /24 subnet mask has 8 bits for the host portion, which allows up to 256 IP addresses, but this is not enough for the desktops. A /25 subnet mask has 7 bits for the host portion, which allows up to 128 IP addresses, but this is also not enough for the desktops. References: CompTIA Cloud+ Certification Exam Objectives, Domain 1.0: Cloud Concepts, Objective 1.2: Given a scenario, analyze and compare the characteristics of various cloud service models (SaaS, IaaS, PaaS). Subnet Mask Cheat Sheet - aelius.com

• Question 409:

  A systems administrator has a redundant backup system in place. Which of the following should the systems administrator perform to maintain efficient operation and comply with the global standard in the corporate backup policies?

  A. Modify RTO policies.

  B. Confirm completion of the backups.

  C. Test the backups.

  D. Modify RPO policies.

  Correct Answer: C

• Question 410:

  A systems administrator is planning to deploy a database cluster in a virtualization environment. The administrator needs to ensure the database nodes do not exist on the same physical host. Which of the following would best meet this requirement?

  A. Oversubscription

  B. Anti-affinity

  C. A firewall

  D. A separate cluster

  Correct Answer: B

  Explanation: Anti-affinity is a rule that specifies that certain virtual machines should not run on the same physical host. This can help to improve availability and performance by avoiding single points of failure and resource contention. For

  example, if the database nodes are running on the same host and the host fails, the entire database cluster will be unavailable. By using anti-affinity rules, the systems administrator can ensure the database nodes are distributed across

  different hosts in the virtualization environment. References:

  CompTIA Cloud+ CV0-003 Study Guide, Chapter 2: Deploying a Cloud Environment, page 76.