IT Certification Exams: Troubleshooting Internet Connection Issues
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Questions and Answers

Which step should a technician perform FIRST when a laptop's external webcam is not working?

  • Research new webcam firmware.
  • Restart the computer and run system diagnostics.
  • Reseat the webcam. (correct)
  • Reinstall the webcam software and drivers.

    • What is the main difference between the T568A and T568B cabling standards?

  • The standards use different cable connectors.
  • The T568B data transfer rate is higher than T568A.
  • T568A is used in blue cables, and T568B is used in green cables.
  • The green and orange cables are interchanged. (correct)

    • What is the purpose of the T568B cabling standard, as compared to T568A?

  • T568B uses a different cable connector than T568A.
  • T568B has a higher data transfer rate than T568A.
  • T568B is designed for backward compatibility with older telephone wires.
  • T568B is designed for better signal isolation and noise protection for newer networking systems and products. (correct)

    • If the technician's first step of reseating the webcam does not resolve the issue, what should the technician do next?

    <p>Reinstall the webcam software and drivers.</p> Signup and view all the answers

    Which of the following is a key difference between the T568A and T568B cabling standards?

    <p>The color-coding of the wire pairs is different between the two standards.</p> Signup and view all the answers

    According to the information provided, what is the MOST likely reason a technician would choose to use the T568B cabling standard over the T568A standard?

    <p>T568B offers better signal isolation and noise protection for modern networking equipment.</p> Signup and view all the answers

    What is the main issue with the print drum in the given scenario?

    <p>The print drum is worn and loose, causing light printing</p> Signup and view all the answers

    What is the primary reason the ribbon needs to be replaced in this scenario?

    <p>The ribbon is low on ink or missing, requiring replacement</p> Signup and view all the answers

    What type of printer is being described in the given scenario?

    <p>Dot matrix printer</p> Signup and view all the answers

    Which of the following is the most cost-effective storage device for a VM host server, as mentioned in the second scenario?

    <p>RAID 10 array</p> Signup and view all the answers

    What is the primary purpose of using a RAID 10 array in the server virtualization scenario?

    <p>To ensure data redundancy and fault tolerance</p> Signup and view all the answers

    Why is a RAID 10 array a suitable choice for the VM host server in the second scenario?

    <p>It combines mirroring and striping for redundancy and performance</p> Signup and view all the answers

    When multiple applications are running, system performance degrades due to a lack of which resource?

    <p>RAM</p> Signup and view all the answers

    Which component should be upgraded first to address slow response times when running multiple applications simultaneously?

    <p>RAM</p> Signup and view all the answers

    The main function of a web server is to:

    <p>Host home pages and business portals</p> Signup and view all the answers

    Which of the following best describes the security requirements for client-side virtualization guest machines?

    <p>They must ensure separation from other guest machines and have similar security requirements to physical machines</p> Signup and view all the answers

    When multiple applications are open and the system's response time slows down, which of the following is the LEAST likely cause?

    <p>Limited network bandwidth</p> Signup and view all the answers

    Which of the following components is primarily responsible for storing data temporarily while applications are running?

    <p>RAM</p> Signup and view all the answers

    What technique is used in virtualization to share resources among multiple VMs?

    <p>Resource pooling</p> Signup and view all the answers

    Which port can be used with an adapter to connect a point-of-sale system when the new computer lacks a 9-pin serial port?

    <p>USB</p> Signup and view all the answers

    What is the primary purpose of a USB-to-serial adapter?

    <p>Connect a serial device to a USB port</p> Signup and view all the answers

    Why is RAM allocation dynamic in a virtual environment utilizing resource pooling?

    <p>To allocate resources based on current needs</p> Signup and view all the answers

    Which type of port is commonly found on most computers and supports versatile connectivity?

    <p>USB</p> Signup and view all the answers

    In the context of connecting devices, what does '9-pin serial' refer to?

    <p>A serial port interface with 9-pins</p> Signup and view all the answers

    What is a common issue with satellite internet connections that can cause slow internet speeds?

    <p>High latency</p> Signup and view all the answers

    What action can help resolve high latency issues with satellite internet connections?

    <p>Restarting the modem</p> Signup and view all the answers

    What does high latency while pinging indicate in the context of satellite internet connections?

    <p>Potential modem or connection issues</p> Signup and view all the answers

    Why is upgrading the internet plan with the provider not likely to resolve latency issues?

    <p>It may not be necessary if download speeds are good</p> Signup and view all the answers

    In what situation is replacing the modem based on high latency test results considered premature?

    <p>When the download test shows good performance</p> Signup and view all the answers

    What can help identify connectivity issues apart from restarting the modem for satellite internet connections?

    <p>Running an online internet connection and speed diagnostic tool</p> Signup and view all the answers

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