Badge readers are electronic access control systems that require authorized users to scan a badge (e.g., RFID or magnetic strip cards) to gain access to restricted physical locations. These systems typically log all access attempts-successful or denied-providing both detection and recording of access events.
A). Bollards are physical barriers to prevent vehicle access.
B). Video surveillance can record access visually but does not track identity unless integrated with access control systems.
D). A fence restricts access but doesn ' t detect or record who entered.
Reference:
CompTIA A+ 220-1102 Objective 2.4: Compare and contrast physical security measures.
Study Guide Section: Physical access controls (e.g., badge readers, mantraps)

The correct answer is D. Continuity. Continuity is an Apple ecosystem feature category that allows Apple devices to work together, such as moving activity between devices or integrating nearby Apple hardware.
Among the choices, it is the feature most likely to rely on short-range wireless communication such as Bluetooth, often along with Wi-Fi and iCloud. The A+ materials identify Bluetooth as a personal-area- network technology used for nearby device communication, pairing, and synchronization. The Mike Meyers
/Mark Soper material also explains that mobile devices commonly expand and communicate wirelessly through Bluetooth with nearby accessories and devices. Terminal is a command-line interface, not a Bluetooth feature. Gestures are touchpad or touchscreen motions used for input. Mission Control is a macOS interface feature for viewing open windows and desktops. Continuity is the only listed feature that strongly depends on communication between nearby Apple devices.

When Disk Management can't remove certain partitions (often recovery, OEM, or protected partitions), the next step is to use a more powerful command-line tool with administrative rights- DiskPart -from an elevated prompt . Mike Meyers' Lab Manual states: "The diskpart utility is a fully featured partitioning tool" and notes it "lacks many of the safety features built into Disk Management," but it can "delete any partition of any type at any time." It also describes using DiskPart's clean command to "wipe all partition and volume information off the currently selected disk," which is exactly what you'd do when you need to repurpose a drive and GUI tools won't cooperate.
The All-in-One Exam Guide reinforces the same capability: DiskPart can delete partitions regardless of type and is available through the command prompt utilities for low-level disk work. Returning the drive to the manufacturer is unnecessary, malware removal isn't the issue, and clearing a BIOS password on the old PC has no bearing on partition removal. The correct next step is using the CLI elevated.

The correct answer is B. SSID configuration, because controlling SSID visibility and behavior directly affects which wireless networks devices can see and attempt to join. In shared office environments, multiple Wi-Fi networks may be present, increasing the risk of users accidentally connecting to the wrong network.
According to the Quentin Docter - CompTIA A+ Complete Study Guide, SSIDs define how wireless networks are advertised and discovered. By modifying SSID settings-such as disabling broadcast or restricting auto-join behavior-technicians can prevent devices from attempting to connect to unauthorized or unintended networks.
The Travis Everett & Andrew Hutz - All-in-One Exam Guide explains that MDM solutions often preconfigure approved wireless profiles. Adjusting SSID configuration ensures devices only recognize and connect to sanctioned networks, reducing accidental associations and security risks.
The Mike Meyers / Mark Soper Lab Manual clarifies that IP filtering, content filtering, and port forwarding are network traffic control mechanisms. They do not prevent a device from seeing or attempting to connect to nearby Wi-Fi networks.
Because the goal is to prevent accidental Wi-Fi access, not filter traffic after connection, modifying SSID configuration is the correct and most effective solution.

Mobile Device Management (MDM) is used to control, monitor, and enforce policies on mobile devices. It allows IT teams to restrict app installations, push approved apps, and monitor device compliance. Deploying MDM would prevent unauthorized applications, such as password crackers, from being installed on company- managed devices.
A). Group Policy is for managing Windows environments and not applicable to smartphones.
B). PAM (Privileged Access Management) controls administrative access, not app installation.
C). Anti-malware can help detect malicious apps but doesn't prevent their installation proactively.
Reference:
CompTIA A+ 220-1102 Objective 2.2: Compare and contrast common security measures and tools.
Study Guide Section: Mobile Device Management (MDM) capabilities - app control, security enforcement