220-1201 Exam Dumps - CompTIA A+ Core 1 Exam (2026)

CompTIA A+ emphasizes virtualization as an ideal solution during system phase-out or transition periods. The correct approach here is a P2V (physical-to-virtual) conversion and hosting the server in an Infrastructure as a Service (IaaS) environment. This removes the need for physical hardware while still keeping the application operational for its final year. IaaS provides full control over OS and applications, making it suitable for legacy systems that cannot be rewritten.

Colocation (Option A) still requires physical hardware. PaaS (Option C) is inappropriate because PaaS requires rewriting or replatforming the application. Shutting down the server after a backup (Option D) makes the application immediately unusable.

Thus, the best method is to convert to a virtual machine and host it on IaaS.

Comprehensive and Detailed Explanation From Exact Extract:

RAID 6 uses two parity blocks, allowing it to tolerate the failure of two drives without losing data.

Containers provide lightweight virtualization, ideal for deploying microservices because they are isolated, portable, and require fewer resources than traditional VMs.

From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 – Virtualization and cloud computing:

“Containers package applications and their dependencies, making them ideal for running microservices efficiently and independently.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Cloud and Virtualization

CompTIA Exam Objectives 220-1101, Domain 3.7

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A hybrid environment combines both on-premises infrastructure and cloud-based resources, allowing virtual machines to operate seamlessly between the two. CompTIA A+ describes hybrid cloud as a deployment model where organizations maintain their own private servers or virtualization hosts while also leveraging public cloud platforms such as AWS, Azure, or Google Cloud. This model supports flexibility, scalability, and gradual migration, making it ideal for businesses not ready to fully abandon local infrastructure.

In this model, workloads can move between the local environment and the cloud depending on performance requirements, cost considerations, or redundancy needs. Additionally, hybrid clouds allow resource sharing, data synchronization, and load balancing across both environments.

A public cloud hosts resources entirely in the provider’s data center, offering no on-premises integration. A private cloud exists solely within the organization’s infrastructure with no external shared resources. SaaS delivers applications, not infrastructure, meaning it cannot host or manage virtual machines.

Therefore, an environment where VMs exist both on-site and in the cloud is best described as a Hybrid cloud.

A switch is the network device that controls and forwards traffic primarily based on MAC addresses. In CompTIA A+ Core 1 networking, a switch operates at Layer 2 (Data Link) of the OSI model. When devices communicate on an Ethernet LAN, the switch learns the source MAC addresses from incoming frames and stores them in a MAC address table (CAM table) along with the port where each device is connected. After learning, the switch uses the destination MAC address in each Ethernet frame to decide which specific port should receive the traffic, which reduces unnecessary transmissions and improves overall network efficiency compared to a hub. If the destination MAC is unknown, the switch will flood the frame out other ports (except the one it came in on) until it learns the correct location.

A router makes forwarding decisions using IP addresses at Layer 3, not MAC-based switching decisions. A PoE injector only supplies electrical power over Ethernet and does not manage traffic forwarding. A firewall filters traffic based on rules (IP, ports, protocols, and sometimes application/state), but the classic CompTIA A+ answer for MAC-based traffic control on a LAN is a switch.

The baseline documentation says the valid network range ends at 192.168.232.255, but the user’s gateway is 192.168.233.1, which is outside the permitted network range. CompTIA A+ emphasizes that devices must have a gateway inside their own subnet.

Given a mask of 255.255.255.0, the user’s subnet is 192.168.223.x, so the gateway must be in 192.168.223.x, not 192.168.233.x.

DNS settings are public and acceptable. The IP address and subnet mask are valid within the documented address space.

Therefore, the incorrect setting is the gateway, which prevents external routing. Correcting it resolves the connection issue, matching CompTIA’s routing and TCP/IP troubleshooting procedures.

When migrating large volumes of data to a cloud provider, CompTIA A+ notes that the transfer speed is dominated by the WAN (internet) connection speed. Among the given options, fiber-optic internet (C) provides the highest upload and download throughput, often delivering speeds from 1 Gbps to 10 Gbps or more, depending on the service. Fiber supports symmetrical upload speeds, which is critical because data migration requires heavy upstream bandwidth.

Coaxial (A) and DSL (B) offer much lower upstream speeds—often under 30 Mbps—making them too slow for large-scale cloud migration. A SAN (D) is a local storage network that operates within the data center; it does not provide a path to the cloud and cannot replace an internet connection.

Fiber’s extremely high capacity, low latency, and resistance to electromagnetic interference make it the best and most efficient option for cloud migration performance.

RAID 5 provides fault tolerance by distributing parity information across all drives, allowing the array to continue operating if one drive fails. In a three-drive RAID 5 set, a single disk failure puts the array into a degraded state where it can still function, but it is at higher risk because losing a second drive before recovery would cause data loss. Since the system reports Drive 3 has failed after a power outage, the best next step to minimize risk is to replace the failed drive immediately and start the rebuild. Rebuilding regenerates the missing data blocks onto the new drive using parity, returning the array to a protected state.

Option B leaves the array degraded and increases exposure to a second failure. Option C (firmware upgrade) is not a first response in an active failure scenario and can introduce additional risk or downtime. Option D (restore from backup) is typically used when the array is unrecoverable or multiple drives fail; it is more disruptive and unnecessary when RAID 5 can recover from a single-disk failure. Therefore, replacing the defective drive and triggering an array rebuild is the correct next step.