THE BEST STUDY 220-1201 PLAN | PROFESSIONAL TESTING 220-1201 CENTER: COMPTIA A+ CERTIFICATION EXAM: CORE 1

The Best Study 220-1201 Plan | Professional Testing 220-1201 Center: CompTIA A+ Certification Exam: Core 1

The Best Study 220-1201 Plan | Professional Testing 220-1201 Center: CompTIA A+ Certification Exam: Core 1

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CompTIA A+ Certification Exam: Core 1 Sample Questions (Q126-Q131):

NEW QUESTION # 126
Which of the following is a Bluetooth network an example of?

  • A. LAN
  • B. SAN
  • C. PAN
  • D. WAN

Answer: C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Bluetooth is a wireless technology designed for short-range communication between devices. It is a classic example of a Personal Area Network (PAN), which supports communication between devices like smartphones, headsets, keyboards, and mice within a few meters. PANs are smaller in scope compared to LANs or WANs.
#Reference: "CompTIA A+ Complete Study Guide" by Quentin Docter - Chapter 5, "Networking Fundamentals", page 275.


NEW QUESTION # 127
A technician needs to select PC components with a minimal number of visible internal cables. Which of the following should the technician use?

  • A. Modular power supply
  • B. Wireless NIC
  • C. SATA drive connections
  • D. Liquid cooling

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Amodular power supplyallows a technician toconnect only the power cables that are needed, reducing clutter and improving airflow. This is ideal when aiming for a clean build withminimal visible internal cables.
* Option A (SATA drive connections):Still require both power and data cables, adding to cable count.
* Option B (Liquid cooling):May reduce some bulk from large air coolers, but adds tubing and still needs cabling.
* Option D (Wireless NIC):Adds wireless capability but has no relation to internal cabling cleanliness.
CompTIA A+ Core 1 Exam Objective Reference:
* Objective 3.3: Given a scenario, apply the appropriate PC configuration.


NEW QUESTION # 128
A user returns from a trip and discovers a computer that is connected to the LAN times out intermittently Upon investigation, a technician finds the RJ45 pin is not property terminated Which of the following networking tools is most appropriate to fix the issue?

  • A. Cable tester
  • B. Toner probe
  • C. Punchdown
  • D. Crimper

Answer: D

Explanation:
D: Crimper:
A crimper is used to terminate an RJ45 cable properly by attaching the connector to the twisted-pair wires.
If the termination is not done correctly, the connection will be intermittent or fail entirely.
Incorrect Options:
A: Toner probe: Used to locate cables or trace their path, not for terminating RJ45 connectors.
B: Cable tester: Useful for testing connectivity but does not fix termination issues.
C: Punchdown: Used to connect wires to a patch panel or keystone jack, not for RJ45 connectors.
Key Takeaway: A crimper is the proper tool for fixing an improperly terminated RJ45 connection.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1201), Domain 2.8 - Using appropriate tools for network troubleshooting.


NEW QUESTION # 129
Which of the following network services is used to assign an IP address to a network host?

  • A. DHCP
  • B. SMTP
  • C. LDAP
  • D. DNS

Answer: A

Explanation:
DHCP (Dynamic Host Configuration Protocol) is the service used to automatically assign IP addresses to network hosts. It dynamically manages the distribution of IP addresses and configuration details (like subnet mask, gateway, and DNS servers), ensuring no two devices are assigned the same address on the network.
Option B (DNS): Incorrect. DNS translates domain names into IP addresses but does not assign them.
Option C (LDAP): Incorrect. LDAP is a protocol used for accessing and maintaining directory services, such as user information and permissions.
Option D (SMTP): Incorrect. SMTP is used for sending and receiving email, not for IP address assignment.
References:
CompTIA A+ Core 1 Objectives: 2.5 (Network configuration)


NEW QUESTION # 130
A technician is troubleshooting a computer that has random BSOD alerts and intermittently freezes during normal use. Performance degrades as the day goes on. No new software or hardware changes have been implemented. Freezing occurs under performance-intensive operations. Which of the following hardware components is most likely at fault?

  • A. TPM
  • B. RAM module
  • C. HDD
  • D. Video card

Answer: B

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
Random BSODs (Blue Screen of Death), intermittent freezing, and degraded performance under load are common symptoms of failing or faulty RAM (Random Access Memory). Here's the reasoning:
RAM Module (Correct Answer):
Faulty or failing RAM can cause random BSODs due to memory errors when the system attempts to read or write to corrupted memory locations.
Intermittent freezing, especially under performance-intensive operations, can occur because the CPU relies heavily on RAM for active processing tasks.
Over time, heat generated during usage can exacerbate RAM instability, leading to progressively worse performance throughout the day.
Solution: The technician should run a memory diagnostic tool, such as Windows Memory Diagnostic or MemTest86, to confirm if the RAM is at fault.
Incorrect Options:
A: Video Card: A faulty video card can cause graphical glitches, screen artifacts, or crashes, but it is unlikely to cause system-wide performance degradation and random freezing under normal operations unless the issue is specific to GPU-intensive tasks (e.g., gaming or video rendering).
B: HDD: A failing hard drive can cause system slowdowns and freezing, but it typically produces other symptoms such as read/write errors, boot failures, or clicking sounds. HDD issues do not usually cause BSODs unless critical system files are corrupted.
D: TPM (Trusted Platform Module): A TPM is a hardware-based security module used for encryption and secure authentication. It does not affect performance or cause BSODs or freezing under normal operation.
Key Takeaway:
The symptoms described (random BSODs, intermittent freezing, and degraded performance under load) are most likely caused by faulty or failing RAM. Memory diagnostic tools should be used to confirm the issue.
Reference: CompTIA A+ Core 1 Exam Objectives (220-1201), Domain 5.2 - Troubleshooting problems related to motherboards, RAM, CPUs, and power.


NEW QUESTION # 131
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