Pass the CompTIA A+ 220-1202 Questions and answers with Dumpstech

Comprehensive and Detailed Explanation From Exact Extract:

Linux is an open-source operating system that is freely available and does not require traditional licensing fees. It is highly versatile and scalable, making it suitable for both workstations and servers. Many enterprise environments use Linux to reduce software costs and benefit from robust server features.

B. Windows requires per-device or per-user licensing for both workstation and server editions.

C. macOS is proprietary and limited to Apple hardware with licensing restrictions.

D. Chrome OS is designed for lightweight devices and lacks server functionality.

The correct answer is B. Turn off notifications in the browser, because the described behavior matches browser notification abuse, not traditional pop-ups. Modern browsers allow websites to request permission to send notifications. If a user previously allowed notifications from a retail site, the site can continue sending onscreen alerts even when pop-up blockers are enabled.

According to the Quentin Docter – CompTIA A+ Complete Study Guide, browser notification permissions are separate from pop-up blocking settings. Pop-up blockers prevent new browser windows or tabs from opening, but they do not block push notifications that were previously approved by the user. These notifications can persist long after visiting a site.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that one of the first troubleshooting steps for repeated browser messages is to review and disable site notification permissions. This directly targets the root cause without affecting browser configuration or user data.

The Mike Meyers / Mark Soper Lab Manual reinforces that resetting or reinstalling the browser is an excessive step unless configuration corruption is suspected. Clearing cache removes stored files but does not revoke notification permissions.

Because the messages originate from previously allowed browser notifications, the most appropriate and targeted fix is to disable notifications in the browser, making B the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

The net use command in Windows is used to map (assign) a shared drive from the command line. The syntax typically looks like: net use X: \server\share where X is the drive letter and \server\share is the network path.

A. pathping tests network latency and packet loss.

B. nslookup is used for DNS troubleshooting.

D. tracert shows the route packets take to reach a destination — not for drive mapping.

Comprehensive and Detailed Explanation From Exact Extract:

VPN clients often create virtual network adapters. If the software wasn't uninstalled properly or crashed during install, leftover (often hidden) virtual adapters can prevent reinstallation. The proper solution is to delete hidden network adapters using Device Manager (with “Show hidden devices” enabled).

A. OS updates won’t fix a leftover driver or adapter issue.

B. Mapping an adapter to the software is not a standard or viable solution.

C. Firmware updates apply to physical adapters, not virtual VPN adapters.

Comprehensive and Detailed Explanation From Exact Extract:

The amount of installed RAM is the key factor in determining whether a 64-bit OS is needed. A 32-bit operating system cannot effectively address more than 4GB of RAM. Since this system has 16GB of RAM, a 64-bit OS is required to utilize the full memory.

B. An Intel i7 CPU supports both 32-bit and 64-bit OS installations, so it alone doesn’t determine the need.

C. HDD size does not influence OS architecture selection.

D. Ethernet speed is a network consideration and not related to OS architecture.

This is part of the user education step after a security incident to prevent future occurrences.

From Quentin Docter – Complete Study Guide:

“User education and awareness is a crucial part of preventing phishing attacks. After an incident, it is vital to train users on recognizing suspicious messages.” .

The scenario strongly suggests the device has been compromised by malware delivered through a social-engineering message (an “unexpected overdue invoice” attachment). After the attempt, the phone shows system-wide performance issues affecting the browser and other apps, and a restart does not fix it—this matches common mobile malware symptoms such as sluggish response time and abnormal behavior that persists across reboots. When symptoms persist beyond a soft reset, the most reliable remediation is to return the device to a known-good state by performing a factory reset (wipe). Quentin Docter explains that a factory reset is much more effective and will remove malware along with applications, and that when a security symptom indicates malware, the device should be factory reset and then protected with antimalware before reinstalling apps.The All-in-One guide similarly teaches an escalation path: stop/uninstall suspect apps, and if these steps don’t resolve the behavior, use a factory reset to cleanse the device.【turn27file4†L9-L14】 Mike Meyers’ Lab Manual also lists factory resets among the key tools for resolving persistent mobile app security issues.

Comprehensive and Detailed Explanation From Exact Extract:

An MSDS (Material Safety Data Sheet), now commonly referred to as SDS (Safety Data Sheet), is a document that provides detailed information on the properties of a particular substance. It includes safety guidelines and emergency procedures related to handling, exposure, fire hazards, and first aid—not installation or configuration instructions.

For a battery backup (UPS device), the MSDS would include emergency procedures such as what to do in case of a chemical spill, exposure to battery acid, or fire hazard due to overheating or chemical leakage. This ensures the safety of personnel and complies with hazardous materials handling regulations.

The correct answer is A. SOP (Standard Operating Procedure) because SOPs are specifically designed to document roles, responsibilities, workflows, and support expectations for systems and applications within an organization. When deploying a new application, clear documentation is essential to ensure consistent support, escalation, maintenance, and troubleshooting.

The Quentin Docter – CompTIA A+ Complete Study Guide defines SOPs as formal documents that outline who performs specific tasks, how tasks are performed, and when escalation is required. SOPs are commonly used by IT departments to standardize support processes and ensure continuity, especially when multiple technicians or teams are involved.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that SOPs are a key component of operational maturity, ensuring that support staff understand their responsibilities and follow approved procedures when responding to incidents or service requests related to an application.

The Mike Meyers / Mark Soper Lab Manual further clarifies that documents such as NDAs focus on confidentiality, EULAs define usage rights for end users, and DRM is a technical mechanism—not a documentation framework. None of those options describe internal support roles.

Because the scenario explicitly mentions documenting roles and responsibilities, the correct and intended document type is a Standard Operating Procedure, making A the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

The su (substitute user) command is used in Linux to switch to another user account, most commonly to escalate privileges by switching to the root (administrator) account. It allows administrative tasks to be performed in a terminal session.

A. runas is a Windows command for executing a program under another user's context.

B. cmcl is not a valid Linux or administrative command.

C. net user is a Windows command for managing local user accounts.