[Free] 2018(June) Dumps4cert CompTIA 220-901 Dumps with VCE and PDF Download 81-90

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CompTIA A Certification Exam

Question No: 81 – (Topic 4)

A user, Ann, reports that her company laptop cannot pick up a wireless connection in certain areas of a building. However, users working on their laptops in the common areas have Internet connectivity. Which of the following is the MOST likely cause?

  1. Weak RF signals

  2. Out of date Ethernet driver

  3. Enabled MAC filtering

  4. Duplicate IP addresses

Answer: A

Question No: 82 – (Topic 4)

A user attempts to turn on a computer and receives no response. The user calls the technician to report the computer is not booting and a faint smell of something burning. Which of the following tools will BEST help to identify the issue?

  1. ESD strap

  2. PSU tester

  3. Cable tester

  4. Loopback plug

Answer: B

Question No: 83 – (Topic 4)

A technician has upgraded the BIOS of a system that is running with multiple hard drives. Afterward, the system will not boot and displays an error message “Operating system not found”. Which of the following is the FIRST thing the technician should inspect?

  1. The hard drive type settings in the BIOS

  2. The power supply connections to the hard drives

  3. The boot sequence settings in the BIOS

  4. The motherboard SATA connectors

Answer: C

Question No: 84 – (Topic 4)

A brownout has occurred within a building. A technician is repairing a workstation which has a power light, but is not displaying anything on the screen and is not making any sounds during boot up. Which of the following should be used to further troubleshoot the workstation?

  1. Loop back plug

  2. POST card

  3. Power supply tester

  4. Multimeter

Answer: B

Question No: 85 – (Topic 4)

A technician cannot communicate with one particular IP address and needs to narrow down where the traffic is stopping. Which of the following commands would be used to determine this?

  1. nslookup

  2. ipconfig

  3. nbtstat

  4. ping

  5. tracert

Answer: E

Question No: 86 – (Topic 4)

A customer has left a computer monitor on over the weekend and now notices slight discoloration of the screen. This is an example of:

  1. a failing backlight.

  2. burn in.

  3. a bad inverter.

  4. dead pixels.

  5. EMI.

Answer: B

Question No: 87 – (Topic 4)

The OSD of a monitor indicates the proper video source is selected, but no image is displayed. Which of the following issues are the MOST likely reasons? (Select TWO).

  1. The source cable is disconnected

  2. The monitor’s brightness is set too low

  3. The backlighting of the monitor is faulty

  4. The monitor’s contrast is set too high

  5. No device is sending source video

Answer: A,E

Question No: 88 – (Topic 4)

The loud clicking noise coming from a faulty hard drive is MOST likely created by:

  1. the coil reversing polarity in an endless loop.

  2. one or more bad spindle motor bearings.

  3. repeated motion of the read/write head armature parallel to the platter.

  4. the solid state read/write head scratching the platter surface.

Answer: C

Question No: 89 – (Topic 4)

A user notices the printer that is used for printing global shipper’s labels is missing columns in the printed labels. The special label stock is new and appears to be fine. Which of the following should the technician perform FIRST when troubleshooting this problem?

  1. Remove any stuck labels from the paper path

  2. Clean the pickup rollers and check them for wear

  3. Clean the print head with approved materials

  4. Replace and realign the print head

Answer: C

Question No: 90 – (Topic 4)

A technician is working on a server with high latency on the mapped network drive. Upon entry into the server room, the technician suspects an issue with one of the drives in the array. Which of the following would the technician do to resolve the problem?

  1. Reseat the drive cable in the array.

  2. Replace the RAID controller.

  3. Replace the faulty drive in the array.

  4. Reinstall the RAID drivers.

Answer: C

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