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CompTIA A+ Certification Exam: Core 1, also known as 220-1101, is a popular certification exam for entry-level IT professionals. 220-1101 exam serves as a starting point for individuals seeking to jumpstart their career in the rapidly growing field of information technology. CompTIA A+ certification validates the essential knowledge and skills required to troubleshoot, configure, and maintain various hardware and software technologies.

The CompTIA 220-1101 exam consists of 90 multiple-choice and performance-based questions, which must be completed within a time limit of 90 minutes. To pass the exam, candidates must demonstrate their knowledge of computer components, operating systems, troubleshooting techniques, network infrastructure, and cybersecurity principles. Successful completion of 220-1101 Exam validates the candidate's understanding of the core concepts and skills required for a successful career in IT.

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CompTIA 220-1101 Certification is an excellent starting point for anyone looking to pursue a career in IT. It provides a strong foundation of knowledge and skills that are highly valued by employers in the industry. Additionally, obtaining this certification can open up new opportunities for career advancement and help individuals stand out in a competitive job market.

CompTIA A+ Certification Exam: Core 1 Sample Questions (Q582-Q587):

NEW QUESTION # 582
While on a VoIP call, one user is unable to understand the other because the audio is breaking up. Which of the following BEST describes what is occurring on the call?

A. High latency
B. External interference
C. Port flapping
D. No connectivity

Answer: A

Explanation:
Explanation
High latency is what best describes what is occurring on a VoIP call when one user is unable to understand the other because the audio is breaking up. Latency is the delay between sending and receiving data over a network, and high latency can cause poor quality or interruptions in VoIP calls. External interference, no connectivity, or port flapping are not likely to cause audio breaking up, but rather complete loss of signal or connection.

NEW QUESTION # 583
A technician is upgrading a legacy wireless router for a home user. After installing the new router and configuring the SSID to be the same, none of the devices will connect to the network. Which of the following should the technician check NEXT?

A. Wireless protocol settings
B. MAC filtering list
C. ONS servers
D. OHCP pool configuration

Answer: B

NEW QUESTION # 584
A user takes a tablet to a technician because the cursor on it keeps drifting. The technician notices the screen does not appear to be damaged. Which of the following is the MOST likely cause of the cursor issue?

A. The screen rotation is incorrect.
B. The screen needs to be recalibrated.
C. The touch-pen battery is depleted.
D. The screen is physically damaged.

Answer: B

Explanation:
On a laptop, if touchpad sensitivity is too high, typing can cause vibrations that move the cursor.
Examples include the pointer drifting across the screen without any input or a 'ghost cursor' jumping about when typing. Install up-to-date drivers and configure input options to suit the user.
Many laptops now come with a Fn key to disable the touchpad.
If you can rule out simple hardware causes, unresponsive or inaccurate touch input can be an indication of resources being inadequate (too many open apps) or badly written apps that hog memory or other resources. A soft reset will usually fix the problem in the short term.

NEW QUESTION # 585
A technician is working to replace a single DDR3 RAM module on a laptop that has two occupied slots_ When the technician tries to tum on the laptop, the computer starts beeping and does not pass POST The technician double-checks the newly installed RAM and notices a motherboard message indicating low voltage.
Which of the following is the most likely cause of this Issue?

A. Faulty power adapter
B. Unsupported memory
C. Incorrect BIOS settings
D. Failing CMOS battery'

Answer: B

Explanation:
Memory modules are physical components that store data and instructions for the computer to access and process. Memory modules have different specifications and features, such as type, speed, capacity, voltage, and form factor. These specifications and features must be compatible with the motherboard and the processor of the computer, otherwise the memory modules may not work properly or cause errors.
In this scenario, the technician is working to replace a single DDR3 RAM module on a laptop that has two occupied slots. DDR3 stands for Double Data Rate 3, and it is a type of memory technology that offers faster performance and lower power consumption than its predecessors. DDR3 RAM modules have different variants, such as DDR3L, DDR3U, or DDR3R, which have different voltage requirements. For example, DDR3L operates at 1.35V, DDR3U operates at 1.25V, and DDR3R operates at 1.5V.
When the technician tries to turn on the laptop, the computer starts beeping and does not pass POST. POST stands for Power-On Self-Test, and it is a process that checks the hardware components and functionality of the computer before loading the operating system. If POST detects an error or a failure, it may produce a series of beeps or codes to indicate the problem. The number and pattern of beeps or codes may vary depending on the manufacturer or model of the computer.
The technician double-checks the newly installed RAM and notices a motherboard message indicating low voltage. This means that the motherboard is not receiving enough power from the memory module to operate normally. This could indicate that the memory module is not compatible with the motherboard or the processor, or that it is defective or damaged. The most likely cause of this issue is that the technician installed an unsupported memory module that has a lower voltage than what the motherboard or the processor requires.
To resolve this issue, the technician should remove the newly installed RAM module and replace it with a compatible one that has the same voltage as the existing ones. The technician should also check the specifications and features of the motherboard and the processor to ensure that they support the type, speed, capacity, and form factor of the memory modules. The technician should also follow proper safety precautions when handling memory modules, such as wearing an anti-static wrist strap, avoiding physical damage or static discharge, and aligning the notches correctly.

NEW QUESTION # 586
A user can make and receive voice calls but cannot send or receive MMS text messages on a smartphone.
Which of the following is the most likely cause of the issue?

A. The SIM card is defective.
B. The mobile data service is disabled.
C. Airplane mode is enabled.
D. The device is outside the cellular coverage area.

Answer: B

Explanation:
MMS (Multimedia Messaging Service) is a type of text message that can include images, videos, audio, or other media files. Unlike SMS (Short Message Service), which only uses cellular networks, MMS requires mobile data service to send and receive messages. Therefore, if the mobile data service is disabled on the smartphone, the user will not be able to send or receive MMS messages, even if they can make and receive voice calls using the cellular network.
References
*What is MMS messaging? How to send and receive MMS messages on your iPhone or Android device
*Why Can't I Send or Receive MMS Messages?
*The Official CompTIA A+ Core 1 Student Guide (Exam 220-1101), page 349

NEW QUESTION # 587
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