CompTIA 220-1102 Practice Test - Questions Answers, Page 69

Random restarting of an Android phone and the presence of applications not from the standard marketplace strongly suggest the possibility of malware.

Option A: The OS update failed While an OS update failure can cause issues, it is less likely to result in random restarts compared to malware.

Option B: The user downloaded malware Malware is a common cause of erratic behavior, including random restarts, especially when applications are installed from unofficial sources.

Option C: The device is in developer mode Developer mode alone does not typically cause random restarts. It may make the device more susceptible to issues if improper apps are installed.

Option D: The over-the-air carrier update failed Similar to the OS update, this would more likely cause consistent issues rather than random restarts.

CompTIA A+ 220-1102 Objective 2.3 (Detect, remove, and prevent malware) and Objective 3.5 (Mobile OS and application security issues).

Changing the text size efficiently for different scenarios, such as meetings and regular work tasks, can be managed directly through the Windows display settings. This method is both quick and easily reversible, making it the most efficient solution compared to the other options provided.

Option A: Issuing a laptop to the user with increased font size to be used only for meetings This option is not efficient as it requires additional hardware and setup time, which is impractical for simply adjusting text size.

Option B: Using display settings to adjust the text size during meetings Correct Answer. Windows provides built-in functionality to adjust the text size on the display. This can be accessed via:

Windows Settings > System > Display.

Under 'Scale and layout,' you can change the size of text, apps, and other items. This method allows for quick changes and can be reverted just as quickly after meetings.

Option C: Adding a local user account, which has a larger font size set, for the user to log in to during meetings

This approach involves additional steps of logging out and logging back in, which is less efficient than simply adjusting the display settings.

Option D: Adding a second monitor to the user's desktop and increase the font size for only that display While this can be a solution, it is not the most efficient way as it involves additional hardware and configuration. It's more suited for scenarios requiring constant dual-display use rather than just changing text size occasionally.

When upgraded computers are not able to obtain an IP address, the issue often lies in the network configuration. Here's a detailed explanation:

Option A: The switch is only providing IPv6 addresses. This is unlikely because if the switch were providing IPv6 addresses, the devices would still receive an IP address, albeit an IPv6 one. The issue described indicates no IP address is being obtained at all.

Option B: The OS must be updated to be compatible with the imaging software. This option is unrelated to obtaining an IP address. Compatibility with imaging software would not prevent the devices from getting an IP address.

Option C: The switch has port security enabled. Correct Answer. Port security on a switch restricts access based on MAC addresses. If the MAC addresses of the upgraded computers are not recognized or have not been added to the allowed list, the switch will not provide network access, resulting in the computers not obtaining an IP address.

Option D: The switch does not support multicast traffic.

This is unrelated to obtaining an IP address. Multicast traffic deals with specific types of network communication and would not affect the basic DHCP IP address assignment process.

The camera and microphone on an iPhone activating without user input, especially after allowing applications to be installed outside the normal App Store, is a classic sign of the device being jailbroken. Jailbreaking an iPhone removes many of the built-in security features and restrictions, allowing the installation of apps from third-party sources. These third-party apps can be malicious and can gain unauthorized access to system resources like the camera and microphone.

A . The user connected a counterfeit Lightning cable to the iPhone. While counterfeit cables can be harmful, they typically cause charging or connectivity issues rather than security vulnerabilities that would enable camera and microphone activation without user input.

B . The device is unenrolled from Mobile Device Management. Unenrolling from MDM removes organizational controls but does not directly cause unauthorized camera and microphone activation.

D . The iPhone has an out-of-date operating system. An outdated OS can have vulnerabilities, but the scenario specifically mentions modifications to allow third-party app installations, pointing to jailbreaking as the primary cause.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 2.3: Security measures and their purposes including mobile device security.

To import a new digital certificate and place it in the proper location, the technician should use the 'Internet Options' utility in the Control Panel. This utility allows users to manage various settings related to internet connections and security, including the import and management of digital certificates under the 'Content' tab.

B . Network and Sharing Center is used for managing network connections and sharing settings but not for managing digital certificates.

C . Credential Manager is used to store and manage login credentials for websites and applications but not for importing digital certificates.

D . Security and Maintenance provides an overview of the security and maintenance status of the system but does not directly handle digital certificate management.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 1.4: Using Control Panel utilities including Internet Options for managing digital certificates.

One of the key environmental benefits of using virtualization is the reduction in physical space requirements. Virtualization allows multiple virtual machines to run on a single physical server, reducing the need for multiple physical servers. This consolidation leads to fewer physical machines, saving space in data centers and reducing the overall physical footprint.

A . Greater energy consumption is incorrect as virtualization typically leads to reduced energy consumption due to the consolidation of hardware.

B . Noise pollution can be reduced because fewer physical machines often mean less overall noise.

D . Fewer maintenance needs is a possible benefit but not directly related to environmental effects like reduced space requirements.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 4.5: Summarizing environmental impacts and local environmental controls, including the benefits of virtualization.

When a customer experiences display issues such as large icons and inaccurate colors after a Windows upgrade, the most appropriate Control Panel option to address these issues is 'Device Manager.' The technician can use Device Manager to check and update display drivers, which are often the cause of such problems after an OS upgrade. Updating or reinstalling the correct drivers can help resolve display resolution and color issues.

A . Ease of Access focuses on accessibility features and does not directly address display driver issues.

C . Network and Sharing Center is related to network settings and does not affect display settings.

D . Programs and Features is used for managing installed programs and features but is not relevant for updating display drivers.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 1.3: Using features and tools of the Microsoft Windows OS, including Device Manager for managing hardware drivers.

When a customer is having difficulty accessing the company's website, the technician should first document the issue in the company's ticketing system. This step ensures that the problem is officially logged, which allows for proper tracking, prioritization, and assignment to the appropriate personnel if needed. Recording the details helps in maintaining a record of the issue and the troubleshooting steps taken, which is useful for future reference and analysis.

A . Ask the customer for their log-in credentials. This is not appropriate as it breaches security protocols and is not the first step in troubleshooting.

B . Check the company's internal knowledge base for solutions. While useful, this step comes after the issue has been documented.

C . Refer the customer to a more experienced technician. This might be necessary later, but initially, the issue should be documented.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 4.1: Documentation and support systems, including the use of ticketing systems for tracking incidents.

When troubleshooting an application that is not performing well and occasionally shuts down with no error, the 'Performance' tab in Task Manager is the most appropriate tool to use. This tab provides real-time data on CPU, memory, disk, and network usage, which can help identify resource bottlenecks or spikes that could be causing the application to malfunction. Monitoring these metrics while the application is running can offer insights into whether the issue is related to system resources.

A . Users tab shows which users are currently logged into the system and their resource usage but does not provide detailed performance metrics for troubleshooting application issues.

B . Services tab shows the status of background services but does not provide direct information about the application's performance.

D . Startup tab manages which applications start with Windows and their impact on startup time but is not useful for monitoring active application performance.

CompTIA A+ Core 2 (220-1102) Exam Objectives, Section 1.3: Using features and tools of the Microsoft Windows OS, including Task Manager's Performance tab.