VALID ONLINE 220-1101 TRAINING - HOW TO DOWNLOAD FOR COMPTIA 220-1101 LATEST TEST MATERIALS

Valid Online 220-1101 Training - How to Download for CompTIA 220-1101 Latest Test Materials

Valid Online 220-1101 Training - How to Download for CompTIA 220-1101 Latest Test Materials

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There is a ton of CompTIA A+ Certification Exam: Core 1 (220-1101) prep material available on the internet. But the main thing to notice is their validity and reliability. Many applicants remain unsuccessful in locating the right CompTIA A+ Certification Exam: Core 1 (220-1101) practice test and lose their time and money.

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Free PDF CompTIA - High Hit-Rate 220-1101 - Online CompTIA A+ Certification Exam: Core 1 Training

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CompTIA A+ Certification Exam: Core 1 Sample Questions (Q524-Q529):

NEW QUESTION # 524
A technician is receiving reports that the entire office sporadically loses network connectivity throughout the day. The technician determines the root cause to be EMI. Which of the cable mediums would be the MOST cost effective without sacrificing system performance?

  • A. Multimode fiber
  • B. Shielded Cat 6
  • C. Coaxial
  • D. Plenum Cat 5e

Answer: B

Explanation:
Electromagnetic interference (EMI) is unwanted noise or interference in an electrical path or circuit caused by an outside source. Hence shielded Cat 6 is better If a technician determines that the root cause of sporadic network connectivity issues is EMI, the most cost-effective cable medium that can be used without sacrificing system performance is shielded Cat 6 cable. Shielded cables protect against electromagnetic interference (EMI) and radio frequency interference (RFI). Reference: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition by Mike Meyers (Page 548)


NEW QUESTION # 525
A laptop's external webcam software is running, but it shows no image or video. Which of the following should a technician perform FIRST?

  • A. Research new webcam firmware.
  • B. Restart the computer and run system diagnostics.
  • C. Reseat the webcam.
  • D. Reinstall the webcam software and drivers.

Answer: C

Explanation:
https://www.lifewire.com/fix-it-when-webcam-is-not-working-4588517
If a laptop's external webcam software is running, but it shows no image or video, the first step the technician should perform is to reseat the webcam. Reseating the webcam involves disconnecting it from the motherboard and then reconnecting it. If this doesn't work, the technician should then check the webcam drivers or software. Reference: CompTIA A+ Certification All-in-One Exam Guide, Tenth Edition by Mike Meyers (Page 502)


NEW QUESTION # 526
A desktop support technician is tasked with upgrading a laptop so that it has the fastest data access possible. Which of the following BEST satisfies this requirement?

  • A. 2 NVMe SSD provides the fastest data access possible for a laptop. It is a high-performance solid-state drive that connects directly to the motherboard through an M.2 slot.
  • B. 2.5SASHHD
  • C. M.2NVMeSSD
  • D. mSATASSD
  • E. 2.5SATASSD

Answer: C


NEW QUESTION # 527
A user is unable to access the internet on a PC. A technician examines the PC and runs the following commands:

Which of the following steps in the troubleshooting process does this series of commands represent?

  • A. Establish a plan of action.
  • B. Identify the problem.
  • C. Verify full system functionality.
  • D. Establish a theory.

Answer: C


NEW QUESTION # 528
A user needs to upgrade the power supply of an older workstation to properly power a new graphics card.
Which of the following criteria should the technician check to ensure the power supply will support the upgraded workstation? (Select two).

  • A. Wattage
  • B. Heat dissipation
  • C. Form factor
  • D. Fan type
  • E. Efficiency rating
  • F. Modular cabling

Answer: A,C

Explanation:
The technician should check the wattage and the form factor of the power supply to ensure it will support the upgraded workstation. These are the two most important criteria for choosing a compatible and adequate power supply.
* Wattage: The wattage of a power supply is the maximum amount of power it can deliver to the components of the workstation. The wattage of the power supply should match or exceed the total power consumption of the components, especially the new graphics card, which is usually the most power-hungry part. If the power supply does not have enough wattage, it may cause instability, crashes, or damage to the workstation. To estimate the power consumption of the components, the technician can use a power supply calculator tool, such as the ones found in the web search results123. The technician should also add some headroom to the wattage, such as 20% to 50%, to account for peak power consumption, future upgrades, or power supply degradation.
* Form factor: The form factor of a power supply is the physical size and shape of the unit. The form factor of the power supply should fit in the case of the workstation and match the mounting holes and screws. The most common form factor for desktop power supplies is ATX, which measures 150 x 86 x
140 mm. However, some older or smaller workstations may use different form factors, such as SFX, TFX, or FlexATX. The technician should check the specifications of the workstation case and the power supply to ensure they have the same form factor.
Other criteria, such as efficiency rating, heat dissipation, fan type, and modular cabling, are not essential for supporting the upgraded workstation, but they may affect the performance, noise, or aesthetics of the power supply. The efficiency rating is the percentage of input power that is converted to output power, and it indicates how much power is wasted as heat. The heat dissipation is the ability of the power supply to cool itself and prevent overheating. The fan type is the design and size of the fan that cools the power supply, and it affects the noise level and airflow of the unit. The modular cabling is the feature that allows the user to detach unused cables from the power supply, and it helps to reduce clutter and improve airflow inside the case.
References:
* How to Choose the Right Power Supply for Your PC - Lifewire4
* How to Choose a Power Supply: 7 Steps (with Pictures) - wikiHow5
* How to pick the best PC power supply - PCWorld6
* Power Supply Calculator - PSU Wattage Calculator | Newegg1
* Power Supply Calculator | Cooler Master2
* Power Supply Calculator - PSU Calculator | OuterVision3


NEW QUESTION # 529
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