CompTIA 220-1102 - CompTIA A+ Certification Core 2 Exam

Detailed Explanation with Core 2 References:SSH allows for remote access to systems securely and discretely, suitable for verifying patch levels and other administrative tasks. This meets Core 2 objectives on using secure remote access tools (Core 2 Objective 4.9)​.

Detailed Explanation with Core 2 References:The ipconfig command displays the IP address, subnet mask, and default gateway for all network adapters in a Windows computer. This output specifically shows details about an Ethernet adapter, which is directly tied to ipconfig. According to Core 2, understanding command-line tools like ipconfig is essential for network troubleshooting (Core 2 Objective 1.2)​.

To enable contactless payment, NFC (Near Field Communication) (Option C) needs to be enabled. NFC is the technology used in most mobile payment systems to enable close-range communication between the phone and a payment terminal.

Wi-Fi (Option A) and Bluetooth (Option D) are unrelated to contactless payments.

Nearby share (Option B) is a file-sharing feature, not a payment technology.

CompTIA A+ Core 2 References:

2.7 - Explain common mobile device security settings, including enabling NFC for mobile payments​.

For a single user who needs to access their computer remotely, the Windows 10 Pro edition is the most cost-effective and appropriate choice. It includes features such as Remote Desktop, which are essential for remote access.

Option A: EducationThis edition is designed for academic institutions and includes educational features. It is not the most cost-effective for a single user.

Option B: ProWindows 10 Pro includes Remote Desktop and other business features. It is suitable and cost-effective for single users needing remote access.

Option C: EnterpriseThis edition includes advanced features for large organizations and is more expensive, making it less cost-effective for a single user.

Option D: HomeWhile cost-effective, Windows 10 Home does not include the Remote Desktop feature, making it unsuitable for this requirement.

If time is of the essence and the workstation is mission-critical (e.g., the only access point to a corporate database), the quickest and most reliable recovery method is to restore from the last backup. This will return the system to a known working state with minimal downtime.

Option B (Reinstall the OS): Time-consuming and not ideal if a backup is available.

Option C (System File Checker): Can help if the problem is limited to corrupted system files, but doesn’t guarantee complete recovery of user data or configurations.

Option D (Hardware Diagnostics): Not relevant unless there's a known or suspected hardware failure.

? Reference:

CompTIA A+ 220-1102 Exam Objective 2.5 – "Given a scenario, use best practices associated with types of backups."

Microsoft Docs: Restore from a system image backup

Comprehensive and Detailed In-Depth Explanation:

If a new security policy disrupts an essential application, the best course of action is to request a policy exception while a permanent solution is developed. This allows the application to function while ensuring compliance with company security policies.

B. Reinstall the affected software using local administrative rights for each computer – Incorrect. If the security policy is blocking the application, reinstalling it will not resolve the issue.

C. Remove the new security settings and change administrative accounts – Incorrect. Altering security settings without approval could violate company policies and create security risks.

D. Research and procure a replacement application – Incorrect. While replacing the application may be an option, it is not an immediate solution to restoring functionality.

Comprehensive and Detailed In-Depth Explanation:

The best practice is to add the user to the local Administrators group, allowing them to install software on their own machine without giving them excessive permissions across the entire network.

A. Make the user a member of Domain Admins – Incorrect. This would give too much control over the network, creating a major security risk.

C. Let the user use credentials from another user who has rights – Incorrect. Sharing credentials violates security best practices.

D. Give the user the local, high-privileged account password – Incorrect. This could allow unauthorized configuration changes.

For securing mobile devices with two authentication methods, combining something the user knows (a PIN) with something the user is (biometrics) enhances security by implementing multi-factor authentication.

Smart card: Generally requires additional hardware and is not commonly used in mobile devices.

Biometrics: Uses unique biological traits such as fingerprints or facial recognition, providing a convenient and secure second method of authentication.

Hard token: Involves additional physical devices which might not be practical for mobile devices.

One-time password: Usually used for specific applications rather than as a general device authentication method.

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.

Badge readers are devices that scan employee or visitor credentials, logging entries and exits from restricted areas. Video surveillance (B) provides a visual record but does not directly control access. Bollards (A) and fences (D) provide physical security but cannot detect or record access events.

For rendering video, the most critical component a customer should prioritize in a desktop is:

GPU (Graphics Processing Unit): The GPU is specifically designed to handle complex graphics and video rendering tasks. A powerful GPU will significantly improve performance in video rendering applications.

NIC (Network Interface Card): Important for network connectivity but irrelevant for video rendering.

USB: Useful for peripherals but does not impact video rendering capabilities.

HDMI: An important output interface for connecting monitors but not crucial for the rendering process itself.