Free and Premium CompTIA 220-1202 Dumps Questions Answers

First Chat Response:When the user mentions setting up a new router, the best initial response to maintain a helpful and professional tone is:

> Select reply: " I am happy to assist you today. "

Second Chat Response:When the user states that they need to set up basic security settings:

> Select reply: " Is this the first router in your office? "

Third Chat Response:After learning it ' s a replacement router and the user is logged into the router ' s web page:

> Select reply: " The first thing you need to do is change the default password. "

Fourth Chat Response:For the response about password settings:

> Select reply: " Create a new password with an uppercase, a lowercase, and a special character. "

Fifth Chat Response:When the router prompts to reboot:

> Select reply: " Yes, reboot please. "

Study Guide Reference: The CompTIA A+ Core 2 guide highlights the importance of changing default credentials and using strong password policies, particularly in SOHO environments where routers are often targeted.

The completed configuration:

1. Wireless AP (LAN side)

1. LAN IP: 192.168.10.1

2. Encryption: WPA2 PSK

2. Router (port-forward rule)

1. Allow TCP Any 3389

This forwards inbound RDP traffic (TCP/3389) from the Internet to the Windows PC, enabling Remote Desktop access.

3. Firewall (screened subnet side)

1. LAN IP: 10.100.0.1

4. Device placement

1. PC: place behind the router (where the port-forward rule points).

2. Game console: place on the Wireless AP (so it can use chat and extra services over WPA2 PSK).

3. Firewall: place in front of the screened subnet (with its 10.100.0.1 IP facing that subnet).

The Windows PC is placed in the screened subnet (behind the firewall) for enhanced security. Remote access to this PC requires port forwarding of TCP port 3389 (RDP), which is correctly configured through the router.

The Game Console is placed on the Wireless AP LAN, using WPA2 PSK for a secure wireless connection. Game consoles typically use peer-to-peer chat and online services that require open access without firewall restrictions, which is why the console is not placed behind the firewall.

CompTIA A+ 220-1102 Reference Points:

Objective 3.4: Given a scenario, implement best practices associated with data and device security.

Objective 2.4: Given a scenario, use appropriate tools to support and configure network settings.

Study Guide Reference: CompTIA A+ Core 2 guides recommend using screened subnets (a type of DMZ) for systems needing controlled external access, such as remote desktops, while placing gaming and media devices on less restricted networks for full functionality.

Ticket #8675310

Issue: Limited network connectivity

Resolution: Refresh DHCP

Verify/Resolve: ipconfig /renew

For the Low priority ticket #8675310 (“ A small yellow triangle appeared in the taskbar. I am no longer able to access network resources. ”), the Windows yellow triangle on the network icon is the classic indicator of limited connectivity (often caused by a bad/expired DHCP lease, APIPA address, missing default gateway, or DNS info not being assigned).

Correct PBQ Selections (Ticket #8675310)

Issue

Limited network connectivity

Why (CompTIA logic):

That yellow warning triangle means the NIC is connected at Layer 2 (link is up), but the system likely doesn’t have valid Layer 3 config (IP/gateway/DNS), so it can’t reach network resources.

Resolution

Refresh DHCP

Why this is the most efficient fix:

When a Windows PC can’t access network resources and shows “limited connectivity,” the fastest, lowest-risk fix is to renew DHCP so the PC can pull:

a valid IP address

default gateway

DNS servers

This directly resolves the most common root cause behind that icon.

Verify / Resolve

ipconfig /renew

Why this is the correct verification/remediation command:

ipconfig /renew is the direct command to request a fresh DHCP lease . After renewal, the user should regain access to network resources if DHCP was the issue.

What this fixes (what you’d expect to see)

Before the fix, the attachment ( Output.txt ) in these PBQs typically shows symptoms like:

169.254.x.x (APIPA) → DHCP failed

Missing/blank Default Gateway

DNS not present or incorrect

After ipconfig /renew, you should see a normal private IP (like 192.168.x.x / 10.x.x.x / 172.16-31.x.x ) and a valid gateway/DNS.

Issue: Limited network connectivity

Resolution: Refresh DHCP

Verify/Resolve: ipconfig

Issue (drop-down)

Limited network connectivity

Why this matches:

“Internet Down” most commonly indicates the workstation has lost valid Layer 3 connectivity (bad/expired DHCP lease, APIPA address, wrong gateway, etc.). In CompTIA A+ terms, this aligns best with limited connectivity symptoms (can’t reach internet resources).

Resolution (drop-down)

Refresh DHCP

Why this is the most efficient fix:

If the client has:

an expired lease

an APIPA address (169.254.x.x) because DHCP failed

an incorrect IP/gateway from a bad lease

…then the fastest first remediation is to renew DHCP to obtain a correct IP address, default gateway, and DNS servers. This is a standard CompTIA A+ troubleshooting action (quick, low-risk, high-success).

Verify/Resolve (drop-down)

ipconfig

Why this is the correct verification tool:

ipconfig is the primary Windows CLI tool to:

check current IP settings (ipconfig /all)

release/renew DHCP (ipconfig /release and ipconfig /renew)

confirm you received a valid IP + gateway + DNS , which is required for internet access.

What you would do (mapped to those choices)

Using ipconfig to complete “Refresh DHCP” and confirm the fix:

Check current addressing

ipconfig /all

Look for:

Valid IPv4 (not 169.254.x.x )

Valid Default Gateway

DNS servers present

Refresh the DHCP lease

ipconfig /release

ipconfig /renew

Verify outcome

Run ipconfig again to confirm:

You now have a correct IP for the network

Default gateway is populated

If the gateway/DNS populate correctly, internet access typically returns.

Host 2, Host 3, Host 4 , Host 5 ,Host 6, Host 7, Host 8 , Media Server - Stop All unwanted and malicious service (Persistance.j1zpxn Installer Service) from all the listed host and Media servers

Refer screenshot below on the required service started/stopped on host2, same service to be started and stopped across all host servers.

A screenshot of a computer AI-

A screenshot of a computer AI-

Inbox mail 1 -Account Locked- Phishing - Report email to Information Security

Inbox mail 2 -Share your feedback - Legitimate - Perform no additional actions

Inbox mail 3 –Employee orientation - Legitimate - Perform no additional actions

Inbox mail 4 –Security Update – Spam - Report email to Information Security

Inbox mail 5 –Interview - Legitimate - Perform no additional actions

—

1st CLI Resolution

copy " C:\Program Files\Testing\msvcp100.dll " " User-PC02\C$\Windows\System32 " /v /y

2nd CLI Resolution

regsvr32 msvcp100.dll

Why These Are the Correct Choices (Exam Logic)

Why the COPY command is first

The error explicitly states MSVCP100.dll is missing

Other users can run the app → the DLL exists on another system

The fastest, least disruptive fix (preferred by CompTIA) is to:

Copy the known-good DLL into C:\Windows\System32

The /v switch verifies the copy, and /y suppresses prompts — both are enterprise-safe defaults

This restores the missing runtime dependency immediately.

Why REGSVR32 is second

After copying a DLL, Windows may not recognize or properly load it

regsvr32 registers the DLL with the operating system

This ensures:

The Testing application can properly call the runtime library

The fix persists after reboot

The key requirements are (1) avoid expensive licensing fees and (2) keep files locally . Linux best matches both. Quentin Docter explains that open source software is “freer than free,” meaning the application is free and the source code is shared, and he explicitly lists “ OSs such as Linux ” as open source examples. That directly supports the licensing-cost goal. By contrast, Windows and macOS are commercial, licensed operating systems.

Chrome OS often works best when users rely heavily on cloud-based services and synchronization, which conflicts with the customer’s preference that “all files be kept locally” (even though local storage exists, Chrome OS is commonly positioned around cloud workflows). Linux supports fully local file storage and gives the organization control over storage location, backup choices, and offline access.

The All-in-One guide reinforces the idea that some developers (including Linus Torvalds for Linux) made software “freely available for everyone,” highlighting Linux as a no-licensing-fee option compared with commercial licensing models. Therefore, the best recommendation is Linux (A) .

The correct answer is B. Task Manager , because Task Manager allows technicians to view, manage, and terminate running processes , including those that are frozen or unresponsive. If an application process is already running but not responding, launching it again will fail until the existing process is stopped.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , Task Manager is the primary Windows tool for troubleshooting application hangs, excessive resource usage, and nonresponsive programs. Technicians can end the task and relaunch the application cleanly.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that Resource Monitor provides detailed performance metrics but is not optimized for quickly terminating frozen applications. Event Viewer logs errors but does not resolve active process issues.

The Mike Meyers / Mark Soper Lab Manual reinforces that Registry Editor should never be used for live application troubleshooting due to the risk of system instability.

Because the issue involves an unresponsive background process , Task Manager is the fastest and safest tool to resolve the problem, making B the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

The correct answer isVNC (Virtual Network Computing). VNC is a graphical desktop-sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It is platform-independent and widely supported on Linux, which makes it ideal for providinginteractive remote support for a Linux-based operating system. It allows the technician not only to view the remote desktop session but also tocontrol it, fulfilling the need to see and interact with the user’s session.

A. VPN(Virtual Private Network) creates a secure tunnel to a network but doesnot provide desktop sharing or session controlby itself.

C. SSH(Secure Shell) provides secure command-line access to Unix/Linux systems but does not offergraphical desktop interaction, which is a requirement in this case.

D. RDP(Remote Desktop Protocol) is primarily a Microsoft protocol, and although it can be made to work on Linux, it isnot natively supported on legacy Linux systems, and thusless suitablethan VNC in this scenario.

CompTIA A+ 220-1102 Core 2 Objective Reference:

Objective 1.8 – Given a scenario, use features and tools of the operating system.

Under this objective, candidates are expected to be familiar with remote access technologies, includingRDP, SSH, and VNC, and understand their appropriate uses and limitations on different platforms such as Windows and Linux.

Comprehensive and Detailed Explanation From Exact Extract:

To ensure the authenticity of a downloaded application, the most reliable method is to verify the file’s hash (e.g., SHA256, MD5) against the value provided by the legitimate vendor. If the hash values match, the file has not been altered or tampered with. This verification confirms the integrity and authenticity of the executable.

B. Process IDs are dynamic and not unique to specific software.

C. Running in safe mode doesn’t validate legitimacy—it only runs the app in a minimal environment.

D. File names can be spoofed; matching the name does not prove authenticity.

Screensaver lockshelp protect unattended workstations.

BIOS passwordsprevent unauthorized changes at startup or during boot.

FromQUENTIN DOCTER - COMPTIA A+ COMPLETE study GUIDE:

“Applying a BIOS password adds a pre-boot security layer. Screensaver locks help protect logged-in sessions during idle times.”

The user needs to deliver a project status presentation to external stakeholders , which implies hosting a meeting with screen sharing, invitations, and attendee management. Quentin Docter defines videoconferencing as screen-sharing software that allows more than one person to share screens and includes “additional functionality, such as calendar invite, call-in numbers, and attendee management.” He lists Microsoft Teams, WebEx, Zoom, and GoToMeeting as examples and states these tools “are often used to present ideas and collaborate between groups of people.” That exactly matches presenting to external stakeholders.

The other options don’t fit the requirement: WinRM is a Windows remote management protocol (administration, not presentations), RMM is used by IT providers to manage many systems remotely (not stakeholder presentations), and secure file transfer is for moving files rather than delivering a live presentation. Since videoconferencing platforms commonly provide screen sharing, chat, and meeting controls designed for external audiences, Videoconferencing (C) is the correct software type.

The correct answer is D. Internal wiki , because an internal wiki is specifically designed to store, maintain, and centrally manage organizational knowledge , including deployment procedures, configuration standards, and troubleshooting documentation. Large-scale software deployments require accurate, up-to-date, and version-controlled instructions that can be accessed by multiple technicians.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , organizations commonly use internal knowledge bases or wikis to document standard operating procedures (SOPs), deployment guides, and escalation paths. These platforms allow content to be updated quickly as procedures evolve, which is essential for complex deployments.

The Travis Everett & Andrew Hutz – CompTIA A+ All-in-One Exam Guide emphasizes that internal wikis support collaboration and consistency. Unlike emails or files stored on individual systems, a wiki provides a single source of truth , reducing the risk of technicians following outdated or incorrect instructions.

The Mike Meyers / Mark Soper Lab Manual further explains that while file servers may store installation files and emails may contain announcements, neither is suitable for maintaining structured, searchable deployment documentation. A user’s desktop is never an appropriate location for organizational procedures.

Because large-scale deployments require centralized, standardized, and continuously updated documentation , the most appropriate reference location is an internal wiki , making D the correct answer.

The correct answer is B. diskmgmt.msc , which opens the Disk Management console in Windows. Disk Management is the primary built-in tool used to create, delete, resize, and format disk partitions.

The Quentin Docter – CompTIA A+ Complete Study Guide explains that disk partitioning is commonly used to separate data for organizational, security, and backup purposes. Disk Management allows technicians to divide a single physical drive into multiple logical volumes, such as one partition for the operating system and another for user data.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide states that diskmgmt.msc provides a graphical interface for managing partitions, drive letters, file systems, and volumes without requiring third-party tools. This makes it the preferred and safest option for partitioning tasks on Windows systems.

The Mike Meyers / Mark Soper Lab Manual clarifies that tools like perfmon.msc monitor performance, lusrmgr.msc manages user accounts, and devmgmt.msc handles hardware devices. None of these tools can modify disk partitions.

Because the task specifically involves creating partitions , Disk Management is the correct and only appropriate tool, making B the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

This is likely arogue antivirusor scareware tactic. The user shouldnot click " OK " and instead check Windows Security (or third-party antivirus) status and ensure real-time protection is enabled.

FromMark Soper – Mike Meyers ' Lab Manual:

“Users should verify security center settings if receiving suspicious pop-ups. Clicking unknown software updates can install malware. It’s safer to validate protection through legitimate system tools.”

Within the Windows ecosystem, Microsoft introduced ReFS (Resilient File System) as the next-generation filesystem concept designed to improve integrity and resilience, particularly for large storage and fault-tolerant configurations. Among the options, XFS is a Linux filesystem, APFS is Apple’s modern filesystem, and exFAT is primarily intended for removable media compatibility—not as an NTFS successor.

In the provided CompTIA A+ practice material set, ReFS is explicitly identified as “Resilient File System (ReFS)” and discussed as a Windows storage/filesystem technology. This aligns with the exam framing that ReFS is the Windows-side “successor” concept compared with NTFS in capability and design goals for modern storage scenarios.

Therefore, the correct answer is ReFS (A).

Comprehensive and Detailed Explanation From Exact Extract:

Shreddingphysically destroys the platters, making data recovery virtually impossible. It ' s more effective and accessible than degaussing or low-level formatting.

FromQuentin Docter – CompTIA A+ Complete Study Guide:

“Physical destruction methods like shredding are the most secure options for ensuring data on failed drives cannot be recovered.”

Comprehensive and Detailed Explanation From Exact Extract:

If the system fails to boot after removing the USB installation media, it often means the BIOS is not pointing to the correct boot device. This typically involves an issue with the BIOS settings—such as UEFI being disabled when the OS was installed in UEFI mode.

FromAll-in-One Exam Guideby Travis Everett:

“One of the most common post-installation issues is failing to configure the boot mode correctly in BIOS. If an OS is installed in UEFI mode, the UEFI boot must be enabled, otherwise the system won’t detect the bootloader.”

Comprehensive and Detailed Explanation From Exact Extract:

Running atnear full storage capacitysignificantly slows down smartphones. iOS in particular requires space for caching and temporary files. Performance improves when storage is cleared.

FromMike Meyers ' Lab Manual:

“Lack of free space causes mobile operating systems to struggle with temp files and updates. Performance improves significantly with adequate storage.”

If the PC can ping the domain controller by IP , basic connectivity exists. Domain join, however, depends heavily on name resolution (finding the domain and locating domain services), so incorrect DNS is the most likely cause. Mike Meyers explains a key diagnostic pattern: when you ping a URL/name and get “could not find host,” the system “can’t get an IP address for that Web site,” which “points to a DNS failure.” This same logic applies to domains: if the client can reach the DC by IP but can’t properly resolve domain names/services, the join fails.

Quentin Docter reinforces that one of the “key things” for TCP/IP to work effectively is that “a hostname must resolve to an IP address—an action usually performed by a DNS server,” and he highlights nslookup as a tool to verify DNS server entries.

Firewall issues could block some traffic, but the clue “ping by IP works” points away from total network blockage. IPv6 enabled is normal, and “not connected” contradicts successful ping. Therefore, DNS settings are incorrect (A) .

When DHCP isn’t enabled, static IPs must be assigned manually, so the engineering team provides the IP details.

From Travis Everett – All-in-One Exam Guide :

“If DHCP is unavailable, technicians need the static IP configuration to connect devices to the network.” .

Antivirus/antimalware detection depends heavily on its definitions/signatures . If those are outdated, new malware variants may not be recognized. Quentin Docter explains that the “definitions database” is a core antivirus component and that its effectiveness depends on “the frequency of updates and the comprehensiveness of the database signatures.” He adds that new signatures are discovered frequently and added to the database, meaning stale definitions leave gaps.

Docter is also explicit that security software “is not perfect” and that malware may get around it, “especially a new threat (and especially if you haven’t updated your definitions lately).” That statement directly matches this scenario: the software exists, but it failed to detect the infection—most likely because the detection data wasn’t current.

The other answers don’t fit as well: folder permissions and user permissions can limit what malware can change, but they don’t explain why security software didn’t detect it . Port security relates to network access control, not local signature detection. Therefore, Outdated definitions (B) is the best explanation.

Comprehensive and Detailed Explanation From Exact Extract:

A bollard is a sturdy physical barrier—often a steel or concrete post—designed to prevent vehicles or unauthorized individuals from ramming into or entering secure areas of a building. It provides physical security and is commonly used outside entrances to prevent forced entry.

A. PIV (Personal Identity Verification) cards are used for identity access control, not physical blocking.

B. Motion lighting may deter activity but doesn’t physically prevent entry.

C. Surveillance records activity but cannot stop a forced entry.

The correct answer is C. Windows Server 2022 , because Windows Server editions are specifically designed to run server workloads , such as file services, Active Directory, DNS, DHCP, virtualization, and application hosting.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , Windows Server operating systems differ significantly from desktop versions. They support server roles, higher hardware limits, and enterprise features not available in client editions.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that Windows 10 Enterprise and Windows 11 Pro are client operating systems intended for end-user workstations. While they can connect to servers, they are not designed to function as servers themselves.

The Mike Meyers / Mark Soper Lab Manual clarifies that version identifiers like 22H2 represent feature updates for Windows client operating systems, not standalone server products.

Because the question asks which version would most likely be installed on a server , the correct choice is Windows Server 2022 , making C the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

Anincident reportsummarizes what happened during an outage, the timeline, the actions taken, and the resolution, which is exactly what management typically requests post-incident.

FromQuentin Docter – CompTIA A+ Complete Study Guide:

“Incident reports document the events of an IT issue or outage, including detection, response, and resolution. They are crucial for post-incident review and management accountability.”

This is macOS “Gatekeeper”-style behavior: the OS warns when an app is not from a trusted source (for example, not signed/not from an identified developer). In Quentin Docter’s macOS section, the correct place to control what apps are allowed is Security & Privacy . He states that in Security & Privacy, “the applications downloaded on the device can also be controlled; you can select whether apps can be downloaded only from the App Store or from App Store And Identified Developers, which is the default.” He also notes many advanced settings in Security & Privacy require unlocking with an administrator password.

Although the exact control is on the General area of Security & Privacy (not the Privacy tab itself), among the answer choices the closest and intended match is Privacy (A) because it points to the correct macOS security settings area in System Preferences/System Settings. Accessibility and Finder do not manage app trust controls, and iCloud relates to syncing/account services rather than software signing enforcement.

Domain join capability is a key Windows edition differentiator. In Quentin Docter’s Windows editions comparison, Home explicitly “lacks support for… joining to a domain,” while Pro “can join a Windows server domain.” This applies across Windows 10/11 edition families: Home is positioned for consumers and does not include domain-join features, whereas Pro includes the business feature set.

The All-in-One guide states the same concept: “Windows Home systems cannot become part of a domain; to do that, you’ll need something like Windows Pro.” The Mike Meyers Lab Manual reinforces that Pro is the baseline edition for domain membership in business environments.

Given the answer choices, Windows 11 Pro is the correct selection for joining a domain.

Comprehensive and Detailed Explanation From Exact Extract:

A corruptedMaster Boot Record (MBR)is a common issue after disk manipulation. Booting from installation media and using tools like bootrec to repair the MBR can resolve the problem.

Travis Everett – All-in-One Exam Guideexplains:

“A damaged MBR may result in the OS not loading. Booting from recovery or installation media and selecting startup repair or running bootrec commands can restore functionality.”

The correct answer is C. Disconnect the power , because safety is the first priority when working inside a computer case. Before opening the system, all power sources must be removed to prevent electrical shock and hardware damage.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , technicians should always shut down the system and disconnect the power cable before opening a computer. Even powered-off systems can still carry electrical current if they remain plugged in.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that unexpected noises are often caused by fans, loose cables, or failing hard drives. Opening the case while the system is powered can cause injury or damage sensitive components.

The Mike Meyers / Mark Soper Lab Manual reinforces the standard safety sequence: power off the system, unplug it, discharge residual power, and then apply grounding measures before touching internal components.

Because disconnecting power eliminates electrical hazards and protects both the technician and the equipment, C is the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

Virtualizationallows the legacy OS to be run in a virtual machine (VM) on top of the newer OS. This method provides backward compatibility without requiring outdated operating systems on physical hardware.

FromQuentin Docter – CompTIA A+ Complete Study Guide:

“Using virtualization is a preferred method when legacy applications are needed after migrating to newer operating systems. It allows legacy environments to exist securely within a modern OS framework.”

Comprehensive and Detailed Explanation From Exact Extract:

To allow Remote Desktop Protocol (RDP) access, the firewall must be configured to allow inbound connections on TCP port 3389. If the Windows Firewall blocks RDP, users will not be able to connect remotely even if the feature is enabled in system settings.

B. Computer Management allows configuration of services and local users, but not network access.

C. User Accounts is for account setup and control, but enabling remote access requires firewall configuration.

D. Ease of Access is unrelated to remote connectivity—it’s for accessibility features.

The correct answer is A. Perform a factory reset , because the symptoms strongly indicate a serious mobile malware infection , potentially including spyware or a trojan installed from an unofficial app store. Random pop-ups, excessive data usage, blocked access to banking apps, and inability to update the OS are classic indicators that malicious software has gained deep system-level access .

According to the Quentin Docter – CompTIA A+ Complete Study Guide , mobile malware installed from unofficial sources can embed itself deeply into the operating system, sometimes gaining device administrator privileges. In such cases, standard remediation steps such as clearing cache or uninstalling apps may be ineffective.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that when a mobile device shows signs of persistent compromise—especially when core OS functions and security-sensitive applications are affected—the recommended first step is to perform a factory reset . This completely wipes user-installed applications and restores the device to a known-good state.

The Mike Meyers / Mark Soper Lab Manual reinforces that changing passwords is important after the device is secured, not before. Contacting support or clearing cache does not remove deeply embedded malware.

Therefore, to immediately address the security threat and regain control of the device, a factory reset is the most appropriate first action , making A the correct answer.

Comprehensive and Detailed Explanation From Exact Extract:

One of the most common causes for performance degradation on smartphones isstorage or memory overloaddue to excessive apps.Uninstalling unused appsis a basic but effective first diagnostic step.

FromTravis Everett – All-in-One Exam Guide:

“Start troubleshooting sluggish smartphones by clearing unused apps and files before performing advanced diagnostics or resets.”

The correct answer is A. Remove account administrative rights , because unauthorized software installation is most commonly possible when users have local administrator privileges . In Windows environments, installing most applications requires elevated permissions. If users are members of the local Administrators group, they can bypass many built-in security controls and install software without IT approval.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , the principle of least privilege is fundamental to endpoint security. Users should only be granted the minimum permissions necessary to perform their job functions. Removing administrative rights prevents users from installing unapproved applications and significantly reduces malware risk.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide explains that while technologies like firewalls, SmartScreen, and Endpoint Detection and Response (EDR) provide important layers of protection, they do not directly stop users from installing software if they already have administrative access. EDR detects and responds to threats, but it does not prevent intentional installation by privileged users.

The Mike Meyers / Mark Soper Lab Manual reinforces that controlling user permissions is the most effective preventive control against unauthorized changes to a system. Removing admin rights stops the root cause rather than reacting after installation occurs.

Therefore, to prevent future unauthorized software installations, removing account administrative rights is the most direct and effective solution, making A the correct answer.

A “utility failure” means the building’s AC power source has dropped out (blackout) or sagged severely, causing the workstation to lose power instantly and shut down. The best way to prevent an immediate shutdown during these events is an Uninterruptible Power Supply (UPS), which contains a battery and can continue supplying AC power long enough to keep the PC running briefly and allow a graceful shutdown. Mike Meyers’ Lab Manual states that a UPS “continues to supply AC power…during both brownouts and blackouts via a battery,” preventing the computer from instantly losing power when the utility fails. Quentin Docter likewise explains that UPS devices protect against “power sags and even power outages,” using stored battery energy so the administrator (or OS integration) can safely shut down rather than crash off.

A surge suppressor protects from spikes, not outages. A redundant PSU only helps if the PSU fails, and Docter notes it cannot keep a system running during a power outage. A line voltage regulator helps stabilize voltage but doesn’t provide power when utility power is absent.

The correct answer is B. Add the user to the local Administrators group , because this provides the necessary permissions to install software on a specific machine without granting excessive privileges across the entire domain. This approach follows the principle of least privilege while still allowing the user to perform required testing tasks.

According to the Quentin Docter – CompTIA A+ Complete Study Guide , local administrator rights allow users to install and configure applications on a single system but do not grant access to domain-wide resources. This makes it an appropriate choice for sandboxed or test environments.

The Travis Everett & Andrew Hutz – All-in-One Exam Guide warns against adding users to the Domain Admins group, as this grants full control over the entire Active Directory environment and poses a significant security risk. Sharing credentials or passwords violates security best practices and audit requirements.

The Mike Meyers / Mark Soper Lab Manual reinforces that granting local administrative access is a common and accepted practice in controlled testing scenarios, especially when systems are isolated from production environments.

Because the goal is to allow software installation without compromising domain security , adding the user to the local Administrators group is the best and safest option, making B the correct answer.

A patch released outside the normal schedule for a critical flaw is an out-of-band update, but proper operational procedure still requires controlled testing before broad production rollout. Quentin Docter explains that vendors release patches “usually every month and sometimes outside of the normal release cycle,” and that “ out-of-band patches ” are often responses to “ a critical vulnerability .” Because an urgent patch can also cause outages or incompatibilities, you should validate it in a safe environment first. Docter’s change management best practices emphasize sandbox testing: “ Sandbox testing is extremely useful when you want to test a change before placing it into production .”

The All-in-One guide defines sandbox testing as using an isolated environment to test changes “ without putting the systems and data you depend on at risk ,” typically via virtualization/snapshots. That aligns exactly with deploying to a small pilot group/lab first.

So the best first action is to test the patch on a limited set of systems in a lab/pilot (D), then expand deployment after validation and rollback planning.

Comprehensive and Detailed Explanation From Exact Extract:

NET Framework versions are often required for applications to run. If an older app requires .NET Framework 3.5, it must be explicitly installed as it is not included by default in newer versions of Windows. The best method to do this safely is through the built-in " Turn Windows features on or off " utility, which downloads and installs it via official Microsoft services.

B. Using third-party repositories is unsafe and not recommended.

C. Installing .NET 4 does not include 3.5; versions are not fully backward compatible.

D. The issue is technical, not a security incident for the SOC team.

Comprehensive and Detailed Explanation From Exact Extract:

TheServicestool in Windows allows a technician to view service dependencies and status. If the print spooler can ' t start due to a dependency, Services is the correct tool to inspect and manage them.

FromAll-in-One Exam Guide:

“The Services console allows technicians to view, start, and configure system services, including setting recovery actions and viewing dependencies.”