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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Networking | 23% | - Network devices & configuration - Network connectivity & troubleshooting - Network types, topologies & cables - Wireless networking standards & security - IP addressing & protocols |
| Topic 2: Hardware and Network Troubleshooting | 28% | - Component failure diagnosis & repair - Hardware problems & solutions - Network issues & resolution - Troubleshooting methodology |
| Topic 3: Virtualization and Cloud Computing | 11% | - Cloud service models & deployment types - Cloud infrastructure & resource management - Virtualization concepts & hypervisors - Virtual & cloud security |
| Topic 4: Mobile Devices | 13% | - Synchronization & data management - Hardware components & replacement - Network connectivity & configuration - Mobile device security & troubleshooting |
| Topic 5: Hardware | 25% | - PC components, installation & configuration - Peripherals & storage devices - Custom PC builds & specialized hardware - Power supply & cooling systems - Hardware maintenance & upgrades |
>> 220-1201 Dumps Questions <<
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NEW QUESTION # 71
A company wants to have fast read speeds for its locally stored data. Which of the following configurations has the lowest cost to fulfill this requirement?
Answer: D
Explanation:
RAID 0 (striping) provides the fastest read (and write) speeds at the lowest cost, as all disk capacity is used for storage and performance. However, it offers no redundancy.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.4 - RAID types:
"RAID 0 stripes data across multiple disks, offering the best performance and lowest cost but no fault tolerance." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: RAID Levels CompTIA Exam Objectives 220-1101, Domain 3.4
NEW QUESTION # 72
A user reports that they cannot get their laptop to work with a video projector connected with an HDMI cable.
The projector is turned on. The HDMI cable is securely connected on both ends, and the laptop displays properly on its own screen. The display mode is set to "Duplicate" on the laptop. Which of the following is most likely causing the issue?
Answer: C
Explanation:
Comprehensive and Detailed Explanation
CompTIA troubleshooting procedures emphasize confirming input source settings on the external display device.
Even if the HDMI cable is connected properly:
* The projector must be set to the correct input source (HDMI 1, HDMI 2, etc.).
* If the source is incorrect, the laptop will not display, even though the laptop output is functioning normally.
Since the projector is powered on, and the laptop is already set to "Duplicate," and cables are good, the most likely cause is:
# The projector is set to the wrong input source.
This is a common real-world issue covered under "video and projector troubleshooting." Why the other answers are incorrect A). Projector may support HDMI; this is not the "most likely." B). "Extend" is not required - "Duplicate" works for projectors.
C). A failed HDMI port is possible but not the most likely scenario.
NEW QUESTION # 73
A computer runs normally for several minutes, gradually runs slower, and then shuts down without warning.
Which of the following resolves this issue?
Answer: B
Explanation:
The best answer is B. Replacing the fans. The key clue is the sequence: normal operation, gradual slowdown, and then sudden shutdown. That pattern is typical of overheating. As temperature rises, modern CPUs and GPUs may throttle performance to reduce heat; if cooling remains inadequate, the system may lock up or shut down to prevent damage. The Quentin Docter study guide specifically states that overheating components may cause intermittent shutdowns and that a PC working for a few minutes and then locking up is probably experiencing a heat sink or fan problem. It recommends checking all fans and heat sinks first. The study guide also notes that motherboards often include CPU heat and fan sensors that can shut the computer down before damage occurs if active cooling fails. Upgrading RAM or adding drive space could improve some performance issues, but they would not usually cause a heat-related shutdown. A failing power supply can cause shutdowns, but the gradual slowdown before power-off makes fan/cooling failure the better match.
=========
NEW QUESTION # 74
Which of the following port numbers are associated with email traffic? (Choose two.)
Answer: E,F
Explanation:
To answer this question, we need to identify the port numbers associated with email protocols used in client-server communication.
Port 25 (SMTP - Simple Mail Transfer Protocol):
This port is primarily used for sending emails between mail servers and from mail clients to mail servers (sending outbound mail).
SMTP is an essential protocol for email traffic.
Port 110 (POP3 - Post Office Protocol v3):
POP3 is used for retrieving emails from a mail server. It is commonly used for downloading email messages to a local client, after which the messages are deleted from the server. While not as commonly used today (due to IMAP being preferred), POP3 is still a recognized email protocol, and its association with port 110 makes it a valid answer.
NEW QUESTION # 75
Which of the following is most commonly used to increase 802.11 wireless throughput speed?
Answer: D
Explanation:
The correct answer is D. Channel width.
According to CompTIA A+ Core 1 220-1201 objectives under Networking and Wireless:
* Channel width refers to the size of the frequency band used for Wi-Fi communication.
* Increasing channel width (e.g., from 20 MHz to 40 MHz, 80 MHz, or 160 MHz) allows more data to be transmitted at once, effectively increasing wireless throughput speed.
Why the other options are incorrect:
* A. Licensed bands: Licensed spectrum is used for certain types of communication and does not directly increase Wi-Fi throughput.
* B. Maximum transmission unit (MTU): MTU defines the largest packet size transmitted over a network but is not the primary factor for increasing Wi-Fi throughput.
* C. Transmit power: Adjusting transmit power affects signal range and coverage but does not significantly increase throughput; it may improve connectivity but not data rates.
References:
CompTIA A+ Core 1 (220-1201) Exam Objectives - Networking: "Given a scenario, troubleshoot and configure wireless settings including channel selection, transmit power, and frequency bands." Mike Meyers' CompTIA A+ Certification Guide, 13th Edition, Chapter on Wireless Networking.
NEW QUESTION # 76
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