Most Recent CompTIA CV0-003 Exam Questions & Answers

A hot site is what would best meet the requirement of ensuring all production capabilities are available within two hours for a disaster recovery solution. A disaster recovery solution is a plan or process of restoring normal operation and performance of a system or service after a disruption or disaster. A disaster recovery solution can use different types of sites or locations to store and recover data or resources, such as:

A hot site: This is a site or location that has a fully operational and ready-to-use replica or copy of the original system or service, including data, resources, applications, etc. A hot site can provide benefits such as:

Availability: A hot site can provide availability by ensuring that the system or service can be switched or transferred to the hot site immediately or within minutes after a disruption or disaster, without any downtime or interruption.

Capability: A hot site can provide capability by ensuring that the system or service can function and perform at the same level or quality as the original system or service, without any loss or degradation.

A warm site: This is a site or location that has a partially operational and ready-to-use replica or copy of the original system or service, including some data, resources, applications, etc. A warm site can provide benefits such as:

Affordability: A warm site can provide affordability by reducing the cost of maintaining and updating the replica or copy of the original system or service, compared to a hot site.

Flexibility: A warm site can provide flexibility by allowing customers to customize and configure the replica or copy of the original system or service according to their needs and preferences, compared to a hot site.

A cold site: This is a site or location that has no operational and ready-to-use replica or copy of the original system or service, but only has the necessary infrastructure or facilities to support it, such as power, network, space, etc. A cold site can provide benefits such as:

Scalability: A cold site can provide scalability by enabling customers to expand and grow their replica or copy of the original system or service as needed, without any limitations or constraints.

Security: A cold site can provide security by minimizing the exposure or risk of the replica or copy of the original system or service to any threats or attacks, compared to a hot site or a warm site

Software as a service (SaaS) is a type of cloud service model that provides software applications over the Internet that are hosted and managed by a cloud service provider. Directory service federation is a type of authentication mechanism that allows users to access multiple systems or applications across different domains or organizations with a single login credential. Using a SaaS service with a directory service federation can help migrate an internal file server to the cloud and use a web-based interface to access and manage the files, as it can eliminate the need for maintaining an on-premises file server and enable seamless and secure access to cloud-based files using the same corporate logins. Reference:CompTIA Cloud+ Certification Exam Objectives, page 8, section 1.2

Volume encryption is a type of encryption that protects data at the storage level by encrypting an entire disk or partition. Volume encryption can provide strong security for data at rest, as it prevents unauthorized access to the data even if the storage device is lost, stolen, or compromised. Volume encryption can also support automatic booting without manual intervention, as it can use a pre-boot authentication mechanism that does not require user input. Enabling volume encryption on the storage is the best way to resolve the issue of having an unencrypted database server containing PHI and PII, as it can protect the sensitive data without relying on VM encryption or a key management system. Reference:CompTIA Cloud+ Certification Exam Objectives, page 14, section 2.7

SR-IOV stands for Single Root I/O Virtualization, which is a technology that allows a physical network adapter to be partitioned into multiple virtual functions (VFs) that can be directly assigned to virtual machines (VMs). This way, the network traffic bypasses the software layer of the hypervisor and the virtual switch, and goes directly from the VM to the physical adapter. This reduces the CPU overhead, the network latency, and the packet loss, and improves the network throughput and scalability. SR-IOV can achieve near-native performance for network-intensive applications, such as an integration application that communicates between different application and database servers. By enabling SR-IOV capability on the physical server and the virtual server, the P2V migration can maintain the same level of network throughput and latency as the original physical machine.Reference:High performance network virtualization with SR-IOV;Supercharge Your Network Throughput via Single Root I/O Virtualization (SR-IOV);Overview of Single Root I/O Virtualization (SR-IOV).

Replacing the equipment is the best action to take when a piece of networking equipment is about to reach its end of support. End of support means that the vendor or manufacturer will no longer provide technical assistance, updates, patches, or fixes for the equipment, which can affect its functionality, performance, security, and compatibility. Replacing the equipment with a newer model that has ongoing support can prevent any issues or risks associated with using outdated equipment. Reference:CompTIA Cloud+ Certification Exam Objectives, page 18, section 3.5