CompTIA A+ Certification Exam: Core 1 Free Sample Questions

A horizontal streak that appears only on scanned documents but not on printed or faxed output indicates an issue with the scanning mechanism specifically. The ADF glass (automatic document feeder glass) is the scanning surface that documents pass over during the scanning process. Debris, scratches, or contamination on this glass surface will create consistent horizontal streaks across all scanned documents. Since printing and faxing functions work normally, this confirms the issue is isolated to the scanning hardware component, not the print engine or other shared components like the transfer belt, fuser assembly, or imaging drum.

A hybrid cloud deployment model provides the primary advantage of meeting strict healthcare data compliance regulations by allowing organizations to maintain sensitive data on-premises (private cloud) while leveraging public cloud services for non-sensitive applications. This approach ensures data residency requirements are met for regulated data like Protected Health Information (PHI) under HIPAA, while still benefiting from cloud elasticity and cost-effectiveness for non-critical workloads. The hybrid model gives organizations complete control over where different types of data are stored and processed, which is essential for healthcare compliance frameworks.

Configuring reliable NTP (Network Time Protocol) servers ensures accurate time synchronization across all workstations. NTP servers provide authoritative time sources that automatically correct system clocks even after power events. This addresses the automatic time synchronization configuration mentioned in the scenario and provides a permanent network-based solution that works independently of local hardware issues.

Replacing failing CMOS batteries resolves the root cause of time loss during power fluctuations. The CMOS battery maintains system time and BIOS settings when main power is lost. Even with UPS protection, if the CMOS battery is weak or failing, the system will lose time during brief power interruptions. This hardware-level fix ensures the real-time clock continues operating during power events.

DHCP reservation binding (also called DHCP reservation) permanently assigns a specific IP address to a device based on its MAC address. This ensures the network printer will always receive the same IP address from the DHCP server, even when the DHCP address pool is depleted or exhausted. The reservation operates outside the normal dynamic allocation process, guaranteeing the device gets its assigned IP address regardless of pool availability. This is the most reliable method for ensuring critical network devices maintain consistent IP addressing in dynamic DHCP environments.

The 6 GHz band is the correct choice for maximizing throughput while minimizing interference. Wi-Fi 6E extends Wi-Fi 6 into the 6 GHz spectrum, providing up to 1200 MHz of additional spectrum, seven 160 MHz channels, and no legacy device interference. This band is exclusively for Wi-Fi 6E devices, ensuring optimal performance without competition from older devices or neighboring networks using traditional bands.

Network Time Protocol (NTP) is the correct service to configure for resolving time synchronization issues. NTP synchronizes computer clocks across networks by connecting to authoritative time sources. In a domain environment, servers should sync with domain controllers or designated NTP servers to maintain accurate timestamps, which are critical for authentication, logging, and scheduled tasks. Port 123/UDP is used for NTP communication.

Mini-LED is the best choice for this scenario. Mini-LED technology uses thousands of tiny LEDs for backlighting, enabling precise local dimming zones that deliver exceptional contrast ratios and near-OLED black levels without the burn-in risk associated with OLED displays. This makes Mini-LED ideal for professional graphic design where static elements might remain on screen for extended periods. Mini-LED also offers high brightness levels and excellent HDR performance.

Type 1 (bare-metal) hypervisor is correct for this scenario. Type 1 hypervisors run directly on the physical hardware without needing a host OS, providing better performance, security isolation, and lower latency compared to Type 2 hypervisors. Examples include VMware ESXi, Microsoft Hyper-V Server, and Citrix XenServer. This architecture eliminates the overhead of a host OS and provides direct hardware access for optimal VM performance.

Using one physical SIM and one eSIM profile is the best configuration for dual-carrier support. eSIM (embedded SIM) is a programmable chip built into the device that can be activated remotely using a QR code or carrier app. This dual-SIM configuration allows simultaneous use of two carriers without requiring two physical SIM slots, enabling separate personal and business lines on one device with easy profile management.

Containers are the ideal solution for this requirement. Containers package applications with their dependencies into portable units that share the host OS kernel, making them much lighter than VMs. Technologies like Docker create isolated environments without the overhead of full operating systems, enabling consistent deployment across development, testing, and production environments. Containers start faster, use fewer resources, and provide the portability needed for modern DevOps workflows.