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The technician should perform a rollback of the Windows update that caused the issue with the locally attached devices. A rollback is a process of uninstalling an update and restoring the previous version of the system. This can help to fix any compatibility or performance issues caused by the update1. To rollback an update, the technician can use the Settings app, the Control Panel, or the System Restore feature. The technician should also check for any device driver updates that might be needed after rolling back the update. Disabling the Windows Update service is not a good practice, as it can prevent the system from receiving important security and feature updates. Checking for updates might not fix the issue, as the update that caused the issue might still be installed. Restoring hidden updates is not relevant, as it only applies to updates that have been hidden by the user to prevent them from being installed2.

 Badge reader and motion sensor are devices that can be deployed to enhance physical security for a building. A badge reader is a device that scans and verifies an identification card or tag that grants access to authorized personnel only. A badge reader can help prevent unauthorized entry or intrusion into a building or a restricted area. A motion sensor is a device that detects movement and triggers an alarm or an action when motion is detected. A motion sensor can help deter or alert potential intruders or trespassers in a building or an area. Multifactor authentication is a method of verifying identity using two or more factors, such as something you know, something you have or something you are. Multifactor authentication is not a device that can be deployed to enhance physical security for a building but a technique that can be used to enhance logical security for systems or services. Personal identification number is a numeric code that can be used as part of authentication or access control. Personal identification number is not a device that can be deployed to enhance physical security for a building but an example of something you know factor in multifactor authentication. Firewall is a device or software that filters network traffic based on rules and policies. Firewall is not a device that can be deployed to enhance physical security for a building but a device that can be used to enhance network security for systems or services. Soft token is an application or software that generates one-time passwords or codes for authentication purposes. Soft token is not a device that can be deployed to enhance physical security for a building but an example of something you have factor in multifactor authentication. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 3.3

 The user can most likely make the change of extending the display to a second monitor in the System option in the Windows settings. The System option allows users to manage system settings and features, such as display, sound, notifications, power and storage. The user can extend the display to a second monitor by selecting Display from the System option and then choosing Extend these displays from the Multiple displays drop-down menu. This will allow the user to use both monitors as one large desktop area. Devices is an option in the Windows settings that allows users to add and manage devices connected to the computer, such as printers, scanners, mice and keyboards. Devices is not related to extending the display to a second monitor but to configuring device settings and preferences. Personalization is an option in the Windows settings that allows users to customize the appearance and behavior of their desktop, such as themes, colors, backgrounds, lock screen and screensaver. 

Incremental backup is a backup method that only backs up the files that have changed since the last backup, whether it was a full or an incremental backup. Incremental backup can save storage space and bandwidth, as it does not copy the same files over and over again. Incremental backup can also retain more versions of backups, as it only stores the changes made to the files. However, incremental backup can have longer restore times, as it requires restoring the last full backup and all the subsequent incremental backups in order to recover the data. The law firm is not concerned about restore times but asks the technician to retain more versions when possible, so incremental backup would be a suitable choice for them.

Robocopy is a command-line utility that can be used to mirror the source data for the backup. It can copy files and folders with various options, such as copying only changed files, preserving attributes and permissions, and retrying failed copies. Robocopy is more powerful and flexible than copy or xcopy, which are simpler commands that can only copy files and folders without mirroring or other advanced features. Copy-Item is a PowerShell cmdlet that can also copy files and folders, but it is not a native Windows utility and it requires PowerShell to run1.

Chromium is an operating system that only has a web browser interface. Chromium is an open-source project that provides the source code and framework for Chrome OS, which is a Linux-based operating system developed by Google. Chromium and Chrome OS are designed to run web applications and cloud services through the Chrome web browser, which is the only user interface available on the system. Chromium and Chrome OS are mainly used on devices such as Chromebooks, Chromeboxes and Chromebits. Linux is an operating system that does not only have a web browser interface but also a graphical user interface and a command-line interface. Linux is an open-source and customizable operating system that can run various applications and services on different devices and platforms. Linux can also support different web browsers, such as Firefox, Opera and Chromium. Microsoft Windows is an operating system that does not only have a web browser interface but also a graphical user interface and a command-line interface. Microsoft Windows is a proprietary and popular operating system that can run various applications and services on different devices and platforms. Microsoft Windows can also support different web browsers, such as Edge, Internet Explorer and Chrome. iOS is an operating system that does not only have a web browser interface but also a graphical user interface and a voice-based interface. iOS is a proprietary and mobile operating system developed by Apple that can run various applications and services on devices such as iPhone, iPad and iPod Touch. iOS can also support different web browsers, such as Safari, Firefox and Chrome. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.1

Rolling back video card drivers is the best way to resolve the issue of large desktop icons on a user’s newly issued PC. This means restoring the previous version of the drivers that were working fine before the software patch was deployed. The software patch may have caused compatibility issues or corrupted the drivers, resulting in display problems

The technician should adjust the firewall settings to resolve the issue of not being able to access an internal site at https://companyintranet.com:8888. The firewall settings control how the firewall filters and allows network traffic based on rules and policies. The firewall settings may be blocking or preventing the access to the internal site by mistake or by default, especially if the site uses a non-standard port number such as 8888. The technician should check and modify the firewall settings to allow the access to the internal site or its port number. Default gateway settings determine how a computer connects to other networks or the internet. Default gateway settings are not likely to cause the issue of not being able to access an internal site if the user can access the public internet. DHCP settings determine how a computer obtains its IP address and other network configuration parameters automatically from a DHCP server. DHCP settings are not likely to cause the issue of not being able to access an internal site if the user can access other network resources. IP address settings determine how a computer identifies itself and communicates with other devices on a network. IP address settings are not likely to cause the issue of not being able to access an internal site if the user can access other network resources. Antivirus settings control how the antivirus software scans and protects the computer from malware and threats. Antivirus settings are less likely to cause the issue of not being able to access an internal site than firewall settings, unless the antivirus software has its own firewall feature that may interfere with the network traffic. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.6

When selecting a new Windows operating system for a large company that needs built-in encryption and endpoint protection, the Enterprise edition is the most likely choice. This edition provides advanced security features such as Windows Defender Advanced Threat Protection (ATP), AppLocker, and BitLocker Drive Encryption. These features can help to protect the company's data and endpoints against malware attacks, unauthorized access, and data theft.

The Home and Pro editions of Windows do not include some of the advanced security features provided by the Enterprise edition, such as Windows Defender ATP and AppLocker. The Pro for Workstations edition is designed for high-performance and high-end hardware configurations, but it does not provide additional security features beyond those provided by the Pro edition.

Recovery is a Windows 10 utility that can be used to address the concern of a failed update that prevents an application from launching. Recovery allows the user to reset the PC, go back to a previous version of Windows, or use advanced startup options to troubleshoot and repair the system2. Device Manager, Administrator Tools, and Programs and Features are not Windows 10 utilities that can fix a failed update.

MDM stands for mobile device management, which is a type of software solution that allows remote management and security of mobile devices. MDM can help a company reduce data disclosure caused by malware that may infect these devices by enforcing security policies, such as encryption, password protection, antivirus software, and remote wipe. MDM can also monitor and control the access of personal devices to corporate data and networks. UAC stands for user account control, which is a feature of Windows that prompts users for permission or an administrator password before making changes that affect the system. UAC may not be effective in preventing malware infection or data disclosure on personal devices. LDAP stands for lightweight directory access protocol, which is a protocol for accessing and managing information stored in a directory service, such as user names and passwords. LDAP does not directly address the issue of malware infection or data disclosure on personal devices. SSO stands for single sign-on, which is a feature that allows users to access multiple applications or services with one set of credentials. SSO may not prevent malware infection or data disclosure on personal devices, and may even increase the risk if the credentials are compromised. 

https://www.nist.gov/news-events/news/2021/03/mobile-device-security-bring-your-own-device-byod-draft-sp-1800-22

The feature that allows a technician to configure policies in a Windows 10 Professional desktop is gpedit. Gpedit is a command that opens the Local Group Policy Editor, which is a utility that allows users to view and modify local group policies on their Windows PC. Local group policies are a set of rules and settings that control the behavior and configuration of the system and its users. Local group policies can be used to configure policies such as security, network, software installation and user rights. Gpmc is a command that opens the Group Policy Management Console, which is a utility that allows users to view and modify domain-based group policies on a Windows Server. Domain-based group policies are a set of rules and settings that control the behavior and configuration of the computers and users in a domain. Domain-based group policies are not available on a Windows 10 Professional desktop. Gpresult is a command that displays the result of applying group policies on a Windows PC. Gpresult can be used to troubleshoot or verify group policy settings but not to configure them. Gpupdate is a command that updates or refreshes the group policy settings on a Windows PC. Gpupdate can be used to apply new or changed group policy settings but not to configure them. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 1.6

After implementing a change authorized by the change advisory board (CAB), the technician should document the date and time of change as part of the post-implementation review. This helps to track the change history, verify the success of the change, and identify any issues or incidents caused by the change1. Documenting the purpose of the change, the risk level, and the findings of the sandbox test are all part of the pre-implementation activities that should be done before submitting the change request to the CAB2.

The best sign-on option that would allow any employee the ability to unlock the kiosk that relies exclusively on a numeric keypad is to use a PIN and provide it to employees. A PIN is a Personal Identification Number that is a numeric code that can be used as part of authentication or access control. A PIN can be entered using only a numeric keypad and can be easily shared with employees who need to unlock the kiosk. Requiring employees to enter their usernames and passwords may not be feasible or convenient if the kiosk only has a numeric keypad and no other input devices. Setting up facial recognition for each employee may not be possible or secure if the kiosk does not have a camera or biometric sensor. Requiring employees to use their fingerprints may not be possible or secure if the kiosk does not have a fingerprint scanner or biometric sensor. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 3.3

 The user is experiencing a vishing attack. Vishing stands for voice phishing and is a type of social-engineering attack that uses phone calls or voice messages to trick users into revealing personal or financial information. Vishing attackers often pretend to be from legitimate organizations, such as banks, government agencies or service providers, and use various tactics, such as urgency, fear or reward, to persuade users to comply with their requests. Phishing is a type of social-engineering attack that uses fraudulent emails or websites to trick users into revealing personal or financial information. Phishing does not involve phone calls or voice messages. Smishing is a type of social-engineering attack that uses text messages or SMS to trick users into revealing personal or financial information. Smishing does not involve phone calls or voice messages. Whaling is a type of social-engineering attack that targets high-profile individuals, such as executives, celebrities or politicians, to trick them into revealing personal or financial information. Whaling does not necessarily involve phone calls or voice messages. References: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 3.1

Screen Sharing is the default system tool that can be used in macOS to allow the technician to view the screen simultaneously with the user. Screen Sharing is a built-in app that lets users share their Mac screen with another Mac on the network. The user can enable screen sharing in the System Preferences > Sharing pane, and then allow other users to request or enter a password to access their screen1. The technician can launch the Screen Sharing app from the Spotlight search or the Finder sidebar, and then enter the user’s name, address, or Apple ID to connect to their screen2. Remote Assistance is a Windows feature that allows users to invite someone to help them with a problem on their PC3. Remote Desktop Protocol (RDP) is a protocol that allows users to connect to a remote computer over a network4. Virtual Network Computing (VNC) is a technology that allows users to share their screen with other devices using a VNC viewer app1. These are not default system tools in macOS, although they can be used with third-party software or settings.

 Chain of custody and data integrity are two options that should most likely be considered when preserving data from a hard drive for forensic analysis. Chain of custody refers to the documentation and tracking of who has access to the data and how it is handled, stored, and transferred. Data integrity refers to the assurance that the data has not been altered, corrupted, or tampered with during the preservation process

B. Startup Folder1: The Startup folder is a special folder that contains shortcuts to programs or scripts that will run automatically when a user logs on. The technician can create a shortcut to the script and place it in the Startup folder for the conference room computer or for all users.

E. Task Scheduler23: The Task Scheduler is a tool that allows you to create tasks that run at specified times or events. The technician can create a task that runs the script at logon for the conference room computer or for all users.

When it comes to disposing of used printer consumables , it is important to follow the manufacturer's instructions or guidelines for proper disposal, as different types of consumables may require different disposal procedures. Some manufacturers provide specific instructions for proper disposal, such as sending the used consumables back to the manufacturer or using special recycling programs.

Therefore, the proper way for a technician to dispose of used printer consumables is to proceed with the custom manufacturer's procedure , if provided. This option ensures that the disposal is handled in an environmentally friendly and safe manner.

The error message “Your connection is not private. Authority invalid.” means that the web browser cannot verify the identity or security of the website’s SSL certificate. This could indicate that the website has been compromised, has a configuration error, or has an expired or invalid certificate. The user should not proceed to the site or use a different browser, as this could expose their sensitive information to potential attackers. The user should also not reinstall the browser, as this is unlikely to fix the error and could cause data loss. The best action for the user to take is to report the error to the bank and wait for them to resolve it.