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[General] Hot CompTIA 220-1101 Questions, Real 220-1101 Exam Answers

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【General】 Hot CompTIA 220-1101 Questions, Real 220-1101 Exam Answers

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The CompTIA 220-1101 exam includes a wide range of topics, including hardware, software, networking, and troubleshooting. It covers the basics of computer systems, including installation, configuration, and maintenance. 220-1101 exam also covers the fundamentals of networking, including protocols, IP addressing, and network devices. Additionally, it covers the basics of security, including malware, phishing, and social engineering.
CompTIA 220-1101 exam is a certification exam that focuses on the fundamental knowledge and skills required in the IT industry. 220-1101 Exam is also known as the CompTIA A+ Certification Exam: Core 1. It is designed to test an individual's ability to understand and troubleshoot computer hardware and software issues, as well as basic networking concepts. 220-1101 exam covers a wide range of topics, including computer components, operating systems, security, mobile devices, and cloud computing.
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CompTIA A+ Certification Exam: Core 1 (220-1101) is an essential certification for anyone looking to start or advance their career in the IT industry. CompTIA A+ Certification Exam: Core 1 certification is recognized globally and is highly valued by employers in the industry. 220-1101 Exam is designed to test the candidate's knowledge and skills in computer hardware and software, networking, and troubleshooting. It is a rigorous exam that requires a significant amount of preparation and study, but the rewards of earning this certification are well worth the effort.
CompTIA A+ Certification Exam: Core 1 Sample Questions (Q645-Q650):NEW QUESTION # 645
A user reports limited or no connectivity on a laptop. A technician runs ipconf ig /all with the following result:

Which of the following is the MOST likely cause of this issue?
  • A. ARP cache
  • B. DHCP failure
  • C. Duplicate IP address
  • D. DNS resolution
Answer: B

NEW QUESTION # 646
A technician just finished assembling a new PC for a client. Upon POST, the device presents an unspecified beep code and turns off automatically after five seconds. The technician double-checks the bill of materials for the new build and confirms all items have been installed. Which of the following should the technician do NEXT?
  • A. Ensure thermal paste is being used on the CPU.
  • B. Spot-check that the I/O shield for the motherboard is properly installed.
  • C. Verify the header panel connector is properly connected.
  • D. Check to make sure that any video cards have auxiliary power cabling connected.
Answer: C
Explanation:
The technician should verify the header panel connector is properly connected. A beep code is a diagnostic tool used by motherboards to indicate issues with hardware components. This beep code may be indicating an issue with the connection between the motherboard and the case's header panel connector. This connector is responsible for providing power to the system and any connected peripherals. Therefore, the technician should verify the connection is secure and properly connected before attempting any other troubleshooting steps.

NEW QUESTION # 647
A user is printing a part with a thermoplastic polyurethane (TPU) filament on a 3-D printer. The first layer on every print job is not adhering properly.
Which of the following should the user do to improve adherence on the first layer?
  • A. Adjust the RPM of the cooling fan.
  • B. Raise the filament flow amount.
  • C. Increase the print speed.
  • D. Lower the print bed temperature.
Answer: B
Explanation:
Explanation
The correct answer is D. Raise the filament flow amount.
Filament flow amount, also known as extrusion multiplier or flow rate, is the setting that controls how much filament is extruded by the nozzle during 3D printing. It is usually expressed as a percentage of the default value, which is 100%. Increasing the filament flow amount means extruding more filament than usual, while decreasing it means extruding less1.
The filament flow amount can affect the quality and adhesion of the first layer, which is crucial for a successful 3D print. If the filament flow amount is too low, the nozzle may not extrude enough filament to fill the gaps between the lines and create a smooth and solid first layer. This can result in poor adhesion, curling, warping, or detachment of the print from the bed12.
To improve adherence on the first layer, the user should raise the filament flow amount slightly, such as 105% or 110%, to ensure that enough filament is extruded to create a strong bond with the bed. The user should also make sure that the nozzle height, bed leveling, and bed temperature are properly calibrated for optimal first layer adhesion12.
The other options are less likely to improve adherence on the first layer, because:
*Lowering the print bed temperature may reduce the adhesion of the TPU filament to the bed, as TPU usually requires a bed temperature between 20-60°C for the best results3. Lowering the bed temperature may also increase the risk of warping or curling of the print4.
*Adjusting the RPM of the cooling fan may not have a significant effect on the first layer adhesion, as cooling fans are not required with TPU3. In fact, using a cooling fan with TPU may cause cracking or delamination of the print, as TPU needs to cool down slowly and evenly4.
*Increasing the print speed may worsen the first layer adhesion, as TPU is a flexible and elastic filament that needs to be printed slowly and consistently. A recommended print speed for TPU is 15-30mm/s3. Increasing the print speed may cause clogging, stringing, blobs, or under-extrusion of the filament4.
For more information and tips on how to 3D print TPU filament like a pro, you can visit these links:
*How to 3D Print TPU Filament Like a Pro - Ultimate Guide & FAQ
*The Complete TPU Filament 3D Printing Guide - 3DSourced
*TPU Filament 3D Printing Material - The Complete Guide
*TPU filament - learn everything about the TPU material for 3D printing

NEW QUESTION # 648
After an IT department implements SSL redirection, users report being unable to access a random number generator opened within a web browser.
Which of the following should a technician do first to troubleshoot this issue?
  • A. Reset the web browser cache.
  • B. Ensure that the computer supports secure socket communication.
  • C. Check to see whether the website is HTTPS enabled.
  • D. Report the affected user accounts to the IT department.
Answer: C
Explanation:
Explanation
The
first step to troubleshoot this issue is to check if the website that hosts the random number generator is HTTPS enabled. This means that the website supports secure communication using SSL certificates and encryption. If the website is not HTTPS enabled, it may not be compatible with the SSL redirection implemented by the IT department. SSL redirection is a technique that automatically redirects HTTP requests to HTTPS, ensuring that the data exchanged between the web browser and the website is protected. However, some websites may not have SSL certificates or may have expired or invalid ones, which can cause errors or warnings when trying to access them via HTTPS. Therefore, the technician should check the website's URL and see if it starts with
https:// or http://. If it is the latter, the technician should try to manually change it to https:// and see if the website loads correctly. If it does not, the technician should contact the website owner or administrator and ask them to enable HTTPS or update their SSL certificates.
References:
Some additional references for the answer are:
How To Fix HTTP and HTTPS Redirect Issue | Sitechecker
Nginx SSL Certificate and HTTPS Redirect Errors | DigitalOcean
ERR_TOO_MANY_REDIRECTS   Cloudflare SSL/TLS docs
How to Fix SSL Redirect Loop | Hostinger Help Center

NEW QUESTION # 649
A customer built a computer for gaming, sourcing individual components and then assembling the system. The OS starts up, but within a few minutes the machine locks up. The customer brought the computer to a technician to diagnose the issue.

Answer:
Explanation:

Explanation
correct answer is "Overclocking" and "Reduce CPU Clock speed" CPU is at 4.5 Ghz when normal is 3.2 Ghz.
Overclocking too much can cause freezes, and this is a gaming computer so the user probably took it too far.
http://blog.logicalincrements.co ... ps-overclocking-pc/

NEW QUESTION # 650
......
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