220-1201 Exam Dumps - CompTIA A+ Questions and Answers

RG11 coaxial cable with quad shielding is designed to handle large volumes of internet traffic, providing excellent resistance to interference and high bandwidth capacity.

Why Not A (USB 3.1): USB 3.1 is used for connecting peripherals, not for high-volume internet traffic.

Why Not C (SATA3.0): SATA is used for internal data storage connections, not for network traffic.

Why Not D (Unshielded plenum RJ45): While RJ45 cables are commonly used, unshielded cables are prone to interference and are not ideal for high-volume traffic.

CompTIA A+ Exam Reference: Core 1 (220-1201), Section 3.1, cable types and their characteristics​.

Comprehensive and Detailed Explanation (From CompTIA A+ 220-1201 Concepts):

A consistent Wi-Fi SSID across all APs allows users to roam throughout the office while maintaining access to local resources without reconnecting manually.

CompTIA Core 1 Study Guide Concept Reference:

Wireless networking configuration

SSID broadcast and roaming

WLAN infrastructure

The study guide explains that a common SSID enables seamless roaming and uninterrupted access to network resources.

CompTIA A+ explains that Secure Boot is a UEFI security feature that prevents unauthorized or malicious bootloaders, rootkits, and unsigned OS loaders from starting during the boot process. Secure Boot verifies digital signatures on the OS and critical boot files before allowing startup, ensuring the system has not been tampered with.

TPM (Option A) provides encryption key storage and is used for BitLocker, but alone does not block malicious bootloaders. HSMs (Option B) are enterprise cryptographic devices, not PC boot protection features. BIOS passwords (Option D) restrict access to configuration but do not protect against malicious boot-level malware.

Windows 11 specifically requires Secure Boot, making it the correct protection mechanism for preventing startup-level malware.

Thus, Secure Boot is the proper choice.

Wall Outlet

(empty — nothing goes directly to the wall)

Surge Protector (Power Source: Wall Outlet)

Printer

Scanner

UPS (Power Source: Surge Protector)

Computer

Monitor

Cable Modem

Wi-Fi Router

A modular power supply allows the user to connect only the cables needed, reducing clutter and improving organization inside the case.

From CompTIA A+ 220-1101 Official Study Guide, Objective 3.3 – Power supplies:

“Modular power supplies provide detachable cables, allowing users to use only the required connections for a neater build.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Power Supplies

CompTIA Exam Objectives 220-1101, Domain 3.3

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802.11ac is a Wi-Fi standard that primarily operates in the 5GHz band and is known for higher throughput and improved performance compared with older 2.4GHz-focused standards. In CompTIA A+ Core 1 networking objectives, you are expected to recognize which IEEE 802.11 standards map to which frequency bands and the typical trade-offs. The 5GHz band generally provides more available non-overlapping channels and less interference from common household devices (like microwaves and many Bluetooth peripherals), which can improve real-world performance. While 5GHz typically has shorter range and weaker wall penetration than 2.4GHz, it often delivers better speeds in the same-room or nearby-room scenarios, which aligns with how 802.11ac is commonly deployed.

Bluetooth primarily uses the 2.4GHz ISM band and is designed for short-range personal area networking rather than high-speed WLAN connections. NFC operates at 13.56MHz for very short-range tap-based communications. RFID can operate at several bands (low frequency, high frequency, ultra-high frequency) depending on the use case, but it is not a Wi-Fi networking standard and does not “primarily” operate at 5GHz. Therefore, the correct answer is 802.11ac.

Choppy or unintelligible audio is typically caused by issues with the microphone, such as poor quality, hardware defects, or misconfiguration.

Why Not A (Webcam): The webcam handles video, not audio.

Why Not B (Digitizer): A digitizer relates to touchscreens, not audio.

Why Not C (Inverter): Inverters manage power for displays, not audio.

CompTIA A+ Exam Reference: Core 1 (220-1201), Section 3.6, audio troubleshooting​.

Single-mode fiber (as well as multi-mode fiber) transmits data using beams of light, allowing for high-speed data transfer over flexible fiber-optic cables.

From CompTIA A+ 220-1101 Official Study Guide, Objective 2.1 – Networking media:

“Fiber optic cables transmit data using light. Single-mode fiber is used for long-distance, high-speed communication.”

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Networking Media

CompTIA Exam Objectives 220-1101, Domain 2.1

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Comprehensive and Detailed Explanation

To enable file sharing across different operating systems, CompTIA A+ emphasizes the use of:

✔ SMB (Server Message Block)

The primary file-sharing protocol used by Windows.

Also supported on macOS and Linux (via Samba).

Allows shared folders, printers, and network browsing.

✔ FTP (File Transfer Protocol)

A cross-platform file transfer service supported by all major OSs.

Commonly used to upload/download files between systems of different types.

These two protocols are explicitly listed in CompTIA objectives under network protocols and file services.

Why the other options are incorrect

A. NTP – Time synchronization, not file sharing.

C. IMAP – Email protocol, not related to file sharing.

E. ROP – Not a file-sharing protocol (Return-Oriented Programming = security exploit).

F. LDAP – Directory service for authentication, not file sharing.

Final Answer: B, D

A hypervisor is the best choice because it is the technology specifically used to create, run, and manage virtual machines. On a laptop, this is typically a Type 2 hypervisor (hosted hypervisor) that runs on top of the existing operating system and allows the programmer to install a separate guest OS in a VM for testing. This provides strong isolation, supports snapshots/checkpoints in many platforms, and lets the tester replicate different OS environments, configurations, and software dependencies without altering the host system. That matches the scenario exactly: the user needs an actual VM environment on their local machine.

Containerization is useful for packaging and running applications in isolated user spaces, but containers share the host OS kernel and are not full virtual machines. If the test requires a different OS or kernel-level behavior, containers won’t meet the requirement. VDI delivers desktops hosted on remote servers, not a local VM running on the laptop. Emulation imitates different hardware/architectures and is typically slower and used when running software built for incompatible hardware, which is unnecessary for standard VM testing. Therefore, a hypervisor is the best answer.