Free 220-1101 Practice Test Questions 2026

Explanation: When installing RAM into a server that will be used as a VM host, it is recommended to install ECC (Error-Correcting Code) RAM to help prevent errors that can cause virtual machines to crash. References: https://www.servermonkey.com/blog/ecc-vsnon- ecc-ram-what-are-the-differences.html

Explanation: By running the specified tests (ping of the default gateway, ping of the localhost, and tracert of the IP address of the default gateway), the technician can find connection latency and the subnet mask of the network.
✑ Connection latency: The time it takes for a ping or tracert command to send and receive a response helps in determining the latency in the network connection. Higher latency values can indicate delays in communication over the network.
✑ Subnet mask of the network: The ipconfig command, which the technician would initially run to perform these tests, provides various details about the network configuration, including the subnet mask. The subnet mask is essential in determining the network and host portions of an IP address, which is crucial for networking and troubleshooting connectivity issues.

Explanation: The technician should ensure the input connections to the screen are secure 1. The screen may not be receiving the signal from the device outputting the data if the input connections are not secure1. Swapping cables with a screen that works is not likely to be the correct option1.

Explanation: TPM stands for Trusted Platform Module, which is a hardware component that securely stores encryption keys and other sensitive data12. TPM can be used to enable hard drive encryption, which is a technology that encrypts the data stored on a hard drive using sophisticated mathematical functions34. Hard drive encryption protects the data from unauthorized access in case the hard drive is lost, stolen, or tampered with.

Explanation: NFC stands for near-field communication, which is a wireless technology that allows two devices to exchange data when they are in close proximity (usually within a few centimeters). NFC is commonly used by mobile devices to process payments at kiosks, such as Apple Pay or Google Pay. Wi-Fi 6 is a wireless standard that provides faster speed and lower latency than previous versions of Wi-Fi. Bluetooth is a wireless technology that allows devices to communicate over short distances (usually within 10 meters). RFID stands for radio-frequency identification, which is a wireless technology that uses radio waves to identify and track objects that have RFID tags attached to them.

Explanation: This is because HDMI (High-Definition Multimedia Interface) is a digital video cable that can also carry audio signals1. HDMI cables are commonly used to connect devices like Blu-ray players, game consoles, and streaming boxes to HDTVs and monitors. The other options are not capable of carrying audio signals. VGA (Video Graphics Array) is an analog video cable that only carries RGBHV signals12. S-Video (Super Video) is another analog video cable that carries separate luminance and chrominance signals1 . DVI (Digital Visual Interface) is a digital video cable that can carry either analog or digital signals, but not audio1.

Explanation: When a device such as a laptop is connected to a network and automatically assigned an IP address, it is typically done through DHCP (Dynamic Host Configuration Protocol). DHCP servers are responsible for dynamically assigning IP addresses to devices on a network, ensuring that each device has a unique IP address and can communicate on the network without IP conflicts.

Explanation: Platform as a service (PaaS) is a cloud-computing concept that describes an application that is hosted on the internet but can be used and configured as needed internally per organization. PaaS provides a platform for developing, testing, deploying, and managing applications without having to maintain the underlying infrastructure or software. Hybrid cloud is a combination of public and private cloud services that share data and resources. Public cloud is a cloud computing model that provides services and resources to anyone over the internet. Infrastructure as a service (IaaS) is a cloud computing model that provides servers, storage, networking, and software over the internet.

Explanation: Enabling the audio device is the correct action to correct an audio issue where a laptop does not have any audio output from the built-in speakers and Windows Device Manager shows a down arrow for the audio device. A down arrow indicates that the audio device is disabled and needs to be enabled by right-clicking on it and selecting Enable device. Replacing the speakers, increasing the volume, or updating the driver are unlikely to solve the issue if the audio device is disabled.

Explanation:
A VLAN (Virtual Local Area Network) segments a physical network into separate logical networks, enhancing security by isolating traffic.
✑ Why Not A (Minimizes collision domains): VLANs manage broadcast domains, not collision domains.
✑ Why Not B (Provides private access to cloud resources): VLANs operate within a local network, not cloud-specific.
✑ Why Not C (Increases network address space): VLANs do not affect address space.
CompTIA A+ Exam Reference: Core 1 (220-1101), Section 2.6, VLAN concepts.