CompTIA CV0-003 Online Practice Questions and Exam Preparation

CompTIA CV0-003 Online Questions & Answers

• Question 21:

  A company's web servers are scheduled for patching and quarterly updates. A cloud administrator must prevent the monitoring systems from logging outage alerts and negatively impacting company SLA targets. Which of the following is the best action for the administrator to take?

  A. Automatically clear all alerts that are generated in the incident management system.
  B. Shut off the monitoring agents hosted on the target servers.
  C. Change the severity for outage alerts to informational level.
  D. Mark the systems in maintenance mode in the monitoring system.
  D. Mark the systems in maintenance mode in the monitoring system.

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  Explanation

  D. Mark the systems in maintenance mode in the monitoring system: Maintenance mode ensures alerts during planned downtime are not triggered, preventing SLA violations while maintaining visibility into server status.

  References:

  CompTIA Cloud+ CV0-003 Study Guide Chapter 16: Logging, Monitoring, and Alerting.

• Question 22:

  In a mission critical environment, performing maintenance operations on a host FIRST requires which of the following?

  A. Shutting down the host.
  B. Migrating all VMs off the host.
  C. Shutting down the VMs on the host.
  D. Pausing the VMs on the host
  D. Pausing the VMs on the host

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  Explanation

• Question 23:

  A company hosts its server in a public IaaS cloud. The company's management decides to migrate the servers to a different geographical region that is closer to the user base. A cloud administrator creates a new environment in that geographical region. Which of the following is the BEST way to migrate the VM from the original geographic region to the new region?

  A. 1. Create a full backup of the VM. 2.Copy the backup files into the new region using FTP. 3.Restore the VM from the backup files.
  B. 1. Create a VM image. 2.Export the VM image to the new region using vendor's tools. 3.Deploy a new VM based on the created image.
  C. 1. Create a VM clone. 2.Copy the clone into the new region using FTP. 3.Apply the network and security groups from the new region to the cloned VM and start it.
  D. 1. Create a new VM in the new region. 2.Restore a full-system backup from the original VM. 3.Apply the network and security groups from the original region to the new VM.
  D. 1. Create a new VM in the new region. 2.Restore a full-system backup from the original VM. 3.Apply the network and security groups from the original region to the new VM.

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  Explanation

• Question 24:

  A systems administrator is troubleshooting issues with network slowness. Traffic analysis shows that uplink bandwidth on the core switch is often sustained at 125Mbps due to a combination of production traffic from other sources. Which of the following would BEST resolve the issue?

  A. Turn off the servers that use the most bandwidth.
  B. Enable QoS to prioritize production traffic.
  C. Increase the buffer size on the core switch.
  D. Reboot the core switch.
  B. Enable QoS to prioritize production traffic.

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  Explanation

  The best solution to resolve the issue of network slowness caused by high uplink bandwidth utilization on the core switch is to enable quality of service (QoS) to prioritize production traffic over other types of traffic. QoS is a mechanism that allows network administrators to classify and manage network traffic according to its importance, latency, bandwidth, and reliability requirements. By enabling QoS, the core switch can allocate more resources and guarantee better performance for production traffic, while limiting or dropping less critical traffic.

  CompTIA Cloud+ Certification Exam Objectives, Domain 4.0 Troubleshooting, Objective 4.1 Given a scenario, troubleshoot connectivity issues related to cloud implementations.

• Question 25:

  A cloud engineer, who manages workloads in a public cloud environment, uses autoscaling to maintain availability of a critical application. During a recent burst in demands, the engineer received the following error alert:

  LimitedInstanceCapacity

  Which of the following is MOST likely cause of the error?

  A. The cloud account has a misconfigured security group.
  B. The cloud account has exhausted the number of instances quota.
  C. The cloud account has had rights revoked to create instances.
  D. The autoscaling feature does not have permissions to create instances.
  B. The cloud account has exhausted the number of instances quota.

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  Explanation

• Question 26:

  An organization suffered a critical failure of its primary datacenter and made the decision to switch to the DR site. After one week of using the DR site, the primary datacenter is now ready to resume operations. Which of the following is the MOST efficient way to bring the block storage in the primary datacenter up to date with the DR site?

  A. Set up replication.
  B. Copy the data across both sites.
  C. Restore incremental backups.
  D. Restore full backups.
  A. Set up replication.

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  Explanation

  Setting up replication is the most efficient way to bring the block storage in the primary datacenter up to date with the DR site after a critical failure. Replication is a process of copying data from one location to another in real-time or near real-time. Replication can be synchronous or asynchronous, depending on the latency and bandwidth requirements. Replication can ensure data consistency and availability across multiple sites and facilitate faster recovery.

  https://www.ibm.com/docs/en/cloud-pak-system-w3550/2.3.3?topic=system-administering-block-storage-replication

• Question 27:

  A systems administrator wants to verify the word "qwerty" has not been used as a password on any of the administrative web consoles in a network. Which of the following will achieve this goal?

  A. A service availability scan
  B. An agent-based vulnerability scan
  C. A default and common credentialed scan
  D. A network port scan
  C. A default and common credentialed scan

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  Explanation

  A default and common credentialed scan is what the administrator should use to verify the word "qwerty" has not been used as a password on any of the administrative web consoles in a network. A credentialed scan is a type of vulnerability scan that uses valid credentials or accounts to access and scan target systems or devices. A credentialed scan can provide more accurate and detailed results than a non- credentialed scan, as it can perform more actions and tests on target systems or devices. A default and common credentialed scan is a type of credentialed scan that uses default or common credentials or accounts, such as admin/admin, root/root, etc., to access and scan target systems or devices. A default and common credentialed scan can help to identify weak or insecure passwords on administrative web consoles, such as "qwerty", and recommend stronger passwords.

• Question 28:

  A technician is trying to delete six decommissioned VMs. Four VMs were deleted without issue. However, two of the VMs cannot be deleted due to an error. Which of the following would MOST likely enable the technician to delete the VMs?

  A. Remove the snapshots
  B. Remove the VMs' IP addresses
  C. Remove the VMs from the resource group
  D. Remove the lock from the two VMs
  D. Remove the lock from the two VMs

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  Explanation

  Removing the lock from the two VMs is what would most likely enable the technician to delete the VMs that cannot be deleted due to an error. A lock is a feature that prevents certain actions or operations from being performed on a resource or service, such as deleting, modifying, moving, etc. A lock can help to protect a resource or service from accidental or unwanted changes or removals. Removing the lock from the two VMs can enable the technician to delete them by allowing the delete action or operation to be performed on them.

• Question 29:

  A company is switching from one cloud provider to another and needs to complete the migration as quickly as possible.

  Which of the following is the MOST important consideration to ensure a seamless migration?

  A. The cost of the environment
  B. The I/O of the storage
  C. Feature compatibility
  D. Network utilization
  C. Feature compatibility

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  Explanation

  Feature compatibility is the degree to which the features or functionalities of a system or application are compatible or interoperable with another system or application. Feature compatibility is the most important consideration to ensure a seamless migration from one cloud provider to another, as it can affect the performance, reliability, and security of the system or application in the new cloud environment. Feature compatibility can also help complete the migration as quickly as possible, as it can reduce or eliminate the need for reconfiguration, customization, or testing of the system or application after the migration.

  References: CompTIA Cloud+ Certification Exam Objectives, page 18, section 3.5

• Question 30:

  Users of an enterprise application, which is configured to use SSO, are experiencing slow connection times. Which of the following should be done to troubleshoot the issue?

  A. 1. Perform a memory dump of the OS. 2.Analyze the memory dump. 3.Upgrade the host CPU to a higher clock speed CPU.
  B. 1. Perform a packet capture during authentication. 2.Validate the load-balancing configuration. 3.Analyze the network throughput of the load balancer.
  C. 1. Analyze the storage system IOPS. 2.Increase the storage system capacity. 3.Replace the storage system disks to SSD.
  D. 1. Evaluate the OS ACLs. 2.Upgrade the router firmware. 3.Increase the memory of the router.
  B. 1. Perform a packet capture during authentication. 2.Validate the load-balancing configuration. 3.Analyze the network throughput of the load balancer.

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  Explanation

  These are the steps that should be done to troubleshoot the issue of slow connection times for users of an enterprise application that is configured to use SSO (Single Sign-On). SSO is a feature that allows users to access multiple applications or services with one login credential, without having to authenticate separately for each application or service. SSO can improve user experience and security, but it may also introduce performance issues if not configured properly. To troubleshoot the issue, the administrator should perform a packet capture during authentication to analyze the network traffic and identify any delays or errors in the SSO process. The administrator should also validate the load-balancing configuration to ensure that the SSO requests are distributed evenly and efficiently among the available servers or instances. The administrator should also analyze the network throughput of the load balancer to check if there is any congestion or bottleneck that may affect the SSO performance.