Pass the CompTIA A+ 220-1201 Questions and answers with Dumpstech

B. USB-C:

USB-C is a versatile connector that supports charging, high-speed data transfer, and the ability to send audio and video signals (e.g., DisplayPort over USB-C).

It is used by most modern mobile devices and laptops because of its fast transfer speeds and power delivery capabilities.

Incorrect Options:

A. Lightning: Lightning is proprietary to Apple devices and does not natively support video output.

C. MicroUSB: MicroUSB is outdated and does not support video output.

D. MiniUSB: MiniUSB is an older standard and does not support modern features like video output or fast charging.

Key Takeaway: USB-C is the most versatile connector for charging and transferring data, audio, and video.

Excessive heat buildup due to insufficient cooling is a primary cause of unexpected shutdowns. A high-performance heat sink improves thermal transfer, dissipates more heat, and helps maintain CPU temperature within safe limits. When CPU temperatures reach levels like 208°F (98°C), the system may shut down to prevent damage.

SSH (Secure Shell) encrypts data communications for secure remote login and management of network devices, ensuring all console connections are encrypted.

Why Not B (LDAP): LDAP is used for directory services and does not encrypt by default.

Why Not C (FTPS): FTPS encrypts file transfers, not console communications.

Why Not D (SMTP): SMTP is used for email transmission, not for securing login sessions.

CompTIA A+ Exam Reference: Core 1 (220-1201), Section 2.7, network security protocols​.

A common reason for aPOST failureafter a motherboard installation isimproperly seated RAM. The system requires working memory to successfully complete POST. Reseating (removing and reinserting) the RAM ensures it's making proper contact with the motherboard.

Option A:Flashing the BIOS is not possible if the system won’t POST.

Option B:A dead CMOS battery can cause BIOS settings to reset, but it usually won’t prevent POST entirely.

Option D:Reinstalling the old motherboard is premature — basic troubleshooting steps should be completed first.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 3.5: Given a scenario, troubleshoot problems related to motherboards, RAM, CPU, and power.

The appropriate network type for this scenario is a Local Area Network (LAN), which is designed for small, localized networks, such as within a single building or room. LANs are ideal for gaming because they provide high-speed, low-latency connections.

Option A (SAN): Incorrect. A Storage Area Network is used for data storage, not for gaming or general networking.

Option B (MAN): Incorrect. A Metropolitan Area Network covers a city or campus, far exceeding the scope needed for a gaming setup in a single room.

Option D (PAN): Incorrect. A Personal Area Network is designed for a single user, such as Bluetooth devices, and would not support multiple devices connecting to a game server.

Mobile Device Management (MDM)software often controls access to corporate resources based onlocation, network, or VPN status. If the MDM is not configured to allow access from outside the office or via home networks, the apps may be blocked. This is the most probable cause if apps work only on-premises.

Option A:GPS is used for location services, not access control.

Option C:WPA is a Wi-Fi security protocol, not related to access restrictions.

Option D:NFC enables close-range communication — irrelevant to app access.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 1.6: Given a scenario, configure basic mobile device network connectivity and application support.

USB-Cis a versatile connector capable oftransmitting data, video, audio, and power. With standards likeDisplayPort over USB-C or Thunderbolt 3/4, it can be used for external displays, file transfers, charging, and more — all through one cable.

Option B (HDMI):Supports video and audio but not general data transfer.

Option C (DisplayPort):Similar to HDMI — supports video/audio but not general file transfer.

Option D (VGA):Legacy analog video only — no data or audio support.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 3.1: Identify common connector types.

Input voltage must be validated to ensure desktop PCs can operate in different regions with varying power standards (e.g., 110V in North America vs. 220V in Europe). Failure to verify input voltage compatibility can lead to hardware damage or operational issues.

Option B (BIOS language support): Incorrect. While language support may be helpful, it is not critical for hardware deployment across regions.

Option C (Supply chain security): Incorrect. This refers to ensuring secure sourcing of components but does not directly impact deployment.

Option D (Power efficiency): Incorrect. Power efficiency may be important for energy savings but is not relevant to regional compatibility.

AVLAN (Virtual LAN)is used to logically segment a network without requiring physical separation. It enables grouping devices based on function or department regardless of their physical location.

Option A (DHCP):Assigns IP addresses dynamically but doesn’t create network segments.

Option C (DNS):Resolves domain names to IP addresses, not used for network segmentation.

Option D (VPN):Provides secure remote access but does not relate to logical segmentation within a local network.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 2.3: Explain common logical networking concepts.

When a Lightning cable works only when flipped a certain way or doesn’t function consistently, it is typically due to debris or damage in the charging port. Cleaning the port or inspecting it for wear resolves the issue.