CV0-003 Exam Dumps - CompTIA Cloud+ Questions and Answers

Detailed Explanation:

C. Reconfigure the folder /upload/ to request authentication: Enforcing authentication ensures that only authorized users can access sensitive information stored in /upload/, thereby protecting data privacy.

References:

CompTIA Cloud+ CV0-003 Study Guide Chapter 8: Data Security and Compliance Controls​​.

IaaS stands for Infrastructure as a Service, and it is a cloud service model that provides customers with access to virtualized computing resources, such as servers, storage, and networks. In the IaaS model, the customer is responsible for patching the operating system (OS) of the virtual machines, as well as installing and managing the applications and data. The cloud service provider (CSP) is responsible for maintaining the physical infrastructure, such as the hardware, power, cooling, and security. Therefore, IaaS passes the responsibility of patching the OS to the customer, unlike PaaS, DBaaS, or SaaS, where the CSP handles the OS patching and updates. References: CompTIA Cloud+ CV0-003 Certification Study Guide, Chapter 2, Objective 2.1: Given a scenario, deploy cloud services and solutions.

The correct answer is C and F. iSCSI and FC.

iSCSI and FC are protocols that the company can use to share the disks between the nodes of the cluster to access the same LUN. A LUN, or logical unit number, is a unique identifier for a block of storage space that can be accessed by a host system or a cluster of systems. iSCSI and FC are both block-level protocols that allow transferring data between the storage device and the host system or cluster over a network.

iSCSI stands for Internet Small Computer System Interface, which is a protocol that uses TCP/IP to send SCSI commands over an Ethernet network. iSCSI can provide a low-cost and flexible solution for sharing disks between the nodes of the cluster, as it does not require any special hardware or cables, and can use existing network infrastructure. iSCSI can also support encryption and authentication for security purposes .

FC stands for Fibre Channel, which is a protocol that uses optical fiber cables to send SCSI commands over a dedicated network. FC can provide a high-performance and reliable solution for sharing disks between the nodes of the cluster, as it offers high bandwidth, low latency, and error correction. FC can also support zoning and masking for security purposes .

CIFS, or Common Internet File System, is a file-level protocol that allows sharing files and folders over a network. CIFS does not support sharing disks or accessing LUNs at the block level.

FTP, or File Transfer Protocol, is a protocol that allows transferring files between two systems over a network. FTP does not support sharing disks or accessing LUNs at the block level.

NFS, or Network File System, is a file-level protocol that allows sharing files and folders over a network. NFS does not support sharing disks or accessing LUNs at the block level.

RAID 10, or Redundant Array of Independent Disks 10, is a storage configuration that combines mirroring and striping to provide high performance and fault tolerance. RAID 10 is not a protocol that allows sharing disks or accessing LUNs over a network.

The error message indicates that the cloud provider is unable to find the public key file that is specified in the definition. The definition uses an environment variable called PUBLIC_KEY_PATH to refer to the location of the public key file. However, if this environment variable has not been set or exported in the shell, the cloud provider will not be able to resolve it and will fail to provision the resources. To fix this issue, the cloud administrator should set and export the environment variable for the public key path before running the definition. References: [CompTIA Cloud+ CV0-003 Certification Study Guide], Chapter 8, Objective 8.1: Given a scenario, implement cloud automation and orchestration.

Resource tagging is a process of adding descriptive metadata (tags) to cloud resources, such as virtual machines, storage accounts, databases, etc. Tags can be used to track and allocate costs, identify resources by project, owner, environment, or any other criteria. Resource tagging can help the finance department to have cost allocation transparency across different projects on a shared platform. References: CompTIA Cloud+ Certification Exam Objectives, Domain 4.0: Operations and Support, Objective 4.3: Given a scenario, apply the appropriate methods for cost control in a cloud environment. Cloud Resource Tagging | Cloud Foundation Community, Define your tagging strategy - Cloud Adoption Framework

Detailed Explanation:

A. Connectivity issues: Legacy tools might not fully support multicloud environments, leading to potential integration challenges.

F. Lack of support: Legacy systems are often outdated and no longer maintained, which can result in a lack of vendor or community support for troubleshooting.

References:

CompTIA Cloud+ CV0-003 Study Guide Chapter 16: Monitoring and Optimization​​.

Telnet and FTP are two services that should be disabled on a cloud server because they are insecure and vulnerable to attacks. Telnet and FTP use plain text to transmit data over the network, which means that anyone who can intercept the traffic can read or modify the data, including usernames, passwords, commands, files, etc. This can lead to data breaches, unauthorized access, or malicious actions on the server1.

Instead of Telnet and FTP, more secure alternatives should be used, such as SSH (Secure Shell) and SFTP (Secure File Transfer Protocol). SSH and SFTP use encryption to protect the data in transit and provide authentication and integrity checks for the communication. SSH and SFTP can prevent eavesdropping, tampering, or spoofing of the data and ensure the confidentiality and privacy of the server2.

The other options are not services that should be disabled on a cloud server:

Option C: Remote login. Remote login is a service that allows users to access a remote server from another location using a network connection. Remote login can be useful for managing, configuring, or troubleshooting a cloud server without having to physically access it. Remote login can be secured by using encryption, authentication, authorization, and logging mechanisms3.

Option D: DNS (Domain Name System). DNS is a service that translates human-friendly domain names into IP addresses that can be used to communicate over the Internet. DNS is essential for resolving the names of the cloud resources and services that are hosted on the cloud platform. DNS can be secured by using DNSSEC (DNS Security Extensions), which add digital signatures to DNS records to verify their authenticity and integrity.

Option E: DHCP (Dynamic Host Configuration Protocol). DHCP is a service that assigns IP addresses and other network configuration parameters to devices on a network. DHCP can simplify the management of IP addresses and avoid conflicts or errors in the network. DHCP can be secured by using DHCP snooping, which filters out unauthorized DHCP messages and prevents rogue DHCP servers from assigning IP addresses.

Option F: LDAP (Lightweight Directory Access Protocol). LDAP is a service that stores and organizes information about users, devices, and resources on a network. LDAP can provide identity management and access control for the cloud environment. LDAP can be secured by using LDAPS (LDAP over SSL/TLS), which encrypts the LDAP traffic and provides authentication and integrity checks.

Detailed Explanation:

B. Enabling versioning for the underlying cloud storage: Versioning creates multiple versions of files, allowing administrators to restore previous versions when files are accidentally deleted or overwritten.

References:

CompTIA Cloud+ CV0-003 Study Guide Chapter 20: Backup and Restore Operations​​.

The correct answers are B and D.

B. Reduced monthly costs: One of the main advantages of public cloud is that it lowers the costs of IT infrastructure and maintenance for the customers. They do not need to purchase, install, or manage any hardware or software, and they only pay for the resources they use. This can result in significant savings compared to owning and operating a private cloud or an on-premise data center1234

D. Pay as you use: Another benefit of public cloud is that it offers a flexible and scalable pricing model based on the actual usage of the customers. They can adjust their resource consumption according to their changing needs and demands, and only pay for what they use. This eliminates the need for upfront capital investment or long-term contracts, and allows customers to optimize their spending and performance1234

The correct answer is C. Economies of scale.

Economies of scale are the cost advantages that CSPs can achieve by increasing the size and scale of their operations. By spreading the fixed costs of infrastructure, software, and personnel over a larger customer base and data volume, CSPs can reduce the average cost per unit of service and offer unlimited capacity to customers at competitive prices1.

Adequate budget is not a sufficient condition for offering unlimited capacity, as CSPs still need to optimize their resource utilization and efficiency to meet the growing demand for data storage and processing.

Global data center distribution is a strategy that CSPs use to improve their service availability, reliability, and performance by locating their servers closer to their customers and reducing network latency. However, this does not necessarily imply unlimited capacity, as CSPs still need to manage the trade-offs between data center size, cost, and power consumption.

Agile project management is a methodology that CSPs use to deliver their services faster, better, and cheaper by adopting iterative, incremental, and collaborative approaches. However, this does not directly affect their capacity, as CSPs still need to scale their infrastructure and software to handle the increasing data load.