Comtia A+ Certification Exams

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| By Hassen832
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Hassen832
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Quizzes Created: 1 | Total Attempts: 369
| Attempts: 369
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  • 1/10 Questions

    SA server has just been connected to a new UPS. You pull the power plug to test the UPS, both the UPS and the server abruptly shut down. What is the most likely cause for this problem?

    • The UPS battery was not charged
    • The server BIOS was not updated
    • The serial cable to the server was disconnected
    • The serial cable to the server was disconnected
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Comtia A+ Certification Exams - Quiz
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  • 2. 

    You insert a floppy into your FDD and instruct it to the fetch directory. After this you insert the second floppy and execute the same task, but still see the first dir structure instead of the new one. What is the possible cause for the problem?

    • Floppy drive ribbon cable

    • System;apos;s floppy cable device driver

    • FDD memory needs to be refreshed. Press CTRL+C to refresh the buffer

    • System;apos;s power supply

    Correct Answer
    A. FDD memory needs to be refreshed. Press CTRL+C to refresh the buffer
    Explanation
    If a task is repeated multiple times, the result of the task is stored in the buffer and will be fetched when the task is executed again. You can get rid of the old content by pressing key combination of CTRL + C and then browse through the directory again.

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  • 3. 

    You replace a customer's HDD with a Single Ended SCSI system using approximately eight meters of cables in the SCSI system. After this installation the peripherals have stopped functioning. What do you suspect?

    • Single Ended SCSI systems use an unbalanced electrical signal

    • Single Ended SCSI systems don't work if the total cable length exceeds 6 meters

    • An improper cable insertion is the problem

    • The cable length is less than the minimum allowed cable length

    Correct Answer
    A. Single Ended SCSI systems don't work if the total cable length exceeds 6 meters
    Explanation
    The most probable reasons is that the total cable length is eight meters, which exceeds the allowed length. Single-ended SCSI systems have a cable distance limitation of 6m.

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  • 4. 

    You install a new FDD and restart your system. The light on the FDD is constantly on and so is the spindle motor of the drive. Which of the following is a plausible cause?

    • The CMOS is set incorrectly

    • The floppy drive is not compatible

    • There is no power to the floppy

    • The cable is reversely connected

    Correct Answer
    A. The cable is reversely connected
    Explanation
    Usually the FDD light is constantly ON, only if the control cable has been reversely connected.

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  • 5. 

    The 34-pin connection on the motherboard is used to interface

    • An IDE drive

    • An EIDE drive

    • A SCSI drive

    • a Floppy drive

    Correct Answer
    A. a Floppy drive
  • 6. 

    A customer has complained that during a certain time of day, a user's client PC cannot connect to or log in to the server. No one else seems to be experiencing difficulty. Whatis the first step in troubleshooting the problem?  

    • Examine the back-up logs

    • Examine the user's PC

    • Run an anti-virus scan on the PC

    • Examine network server for network problems

    Correct Answer
    A. Examine the user's PC
    Explanation
    Since no one else is experiencing the problem, it is most likely a problem with the client PC rather than the server or any other network problem.

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  • 7. 

    Which cable type supports high-speed (66 Mbps or 100 Mbps) ATAs?

    • 40-conductor cable

    • 60-conductor cable

    • 80-conductor cable

    • 20-conductor cable

    Correct Answer
    A. 80-conductor cable
    Explanation
    An 80-conductor cable is required for high speed ATAs. A 40-conductor cable is used for slower data transfer (33 Mbps or less). Note that we are referring to the cable. The connector has still 40-pin female connectors for both speeds.

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  • 8. 

    Which of the following must be considered when replacing a hard drive? (Choose two.)

    • Voltage

    • DMA channel

    • Cable orientation

    • Controller address

    • Drive select jumper

    Correct Answer(s)
    A. Cable orientation
    A. Drive select jumper
    Explanation
    When a drive is replaced the cable orientation and the drive select jumper must be used in an appropriate way. Voltage, DMA channel, and Controller Address are non-configurable settings on a hard drive.

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  • 9. 

    You install an Ethernet card that is not plug and play and the system is unable to communicate with the card due to resource clash. Which of the following would you reset using jumpers on the card to ensure the card is functional? (Choose two)

    • Memory Address

    • Communication protocol

    • IRC

    • Mac Address

    Correct Answer(s)
    A. Memory Address
    A. IRC
    Explanation
    Jumpers can configure the IRQ and the Memory address of a NIC. The MAC address is a pre-configured factory setting that cannot be modified. Rest of the configuration will have to be taken care during NIC driver installation, through the OS itself.

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  • 10. 

    Which feature of SCSI-2 enables a device to accept multiple instructions?

    • Dual Channel

    • Line queen

    • Command queuing

    • Multi LUN support

    Correct Answer
    A. Command queuing
    Explanation
    SCSI-2 supports a feature called command-tag queuing, which enables suitably-equipped operating systems to issue multiple disk commands to the SCSI adapter without having to serialize the operations.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 15, 2009
    Quiz Created by
    Hassen832
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