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CompTIA A Plus 220 901 Test 4

The CompTIA 220-901 exam is one of two exams requires to obtain the CompTIA A+ (900 series). This exam will cover topics like networking, mobile devices and hardware and network troubleshooting.

  • Questions: 20
  • Time: 60 seconds per question (0 hours, 20 minutes, 0 seconds)

Data may be recovered after a drive failure in a RAID 0 configuration.

  • False
  • True

Choose the option that could not be correctly described as Non-volatile:

  • RAM
  • Flash memory
  • SSD
  • Tape drive

While working for a IT Consulting firm, you have been tasked with setting up several SOHO wireless networks. Which of the following will ensure the security of confidential data?

  • Enabling wireless encryption
  • Enable MAC filtering
  • Disabling SSID Broadcast
  • Configuring the lowest broadcast power possible

A user reports that their printouts contain a shadow of the previous image. Which of the following is MOST likely the cause?

  • Fuser assembly
  • Corona wire
  • Pickup assembly
  • Separation pads

Your employer is in the middle of a remodel and the IT Department is responsible for moving RJ-45 wall jacks to new locations. Which tool can be used verify connectivity of a RJ-45 port after it has been moved?

  • Loopback plug
  • Cable tester
  • Cable crimper
  • Voltage meter

Failure of a single disk in a RAID 1 array will not result in permanent data loss.

  • False
  • True

A customer is complaining that their laptop often restarts with no warning, most often when they are playing video games or have several programs running at once. What is most likely the issue?

  • Overheating
  • Insufficient power levels
  • Disk failure
  • BSOD

Which of the following allows devices to operate without requiring a separate power source?

  • VPN
  • QoS
  • WPA
  • PoE

A customer is not able to connect to any websites. Which of the following commands should a technician run FIRST to identify the issue?


You are a Network Technician for a large IT Support Company. A client has called in saying that they switched their SOHO network to a fiber connection at the recommendation of their ISP. They have stated that they have not seen a gain in internet performance and that their ISP says it is an issue on the customer's network. What should you do next?

  • Contact the ISP for more information
  • Upgrade the customer's SOHO switch to support 1 Gbps or higher
  • Help the customer determine the possible bottlenecks in their SOHO network
  • Inform the customer that internet performance is an issue they must resolve with their ISP

Which of the following provides constant power to a motherboard, allowing it to retain configuration data for the BIOS?

  • Southbridge
  • UPS
  • CMOS Battery
  • AC Power Supply

Choose the option that best describes the term boot sequence:

  • The order of memory as it is given to the Master Boot Record (MBR)
  • Average number of instructions executed for each clock cycle
  • Information in the first sector of any hard disk or diskette
  • The order in which eligible boot devices are checked for an operating system

Your supervisor has given you a replacement inked ribbon to install into a printer. What type of printer is this replacement for?

  • InkJet
  • Laser
  • Impact
  • Thermal

You have been assigned to configure a new enterprise wireless router for your employer's network. Which of the following settings should be changed first?

  • Configure encryption
  • Manufacturer password
  • Default SSID
  • MAC address filters

You are a technician in a computer repair shop. A customer has brought in an old (broken) laptop and has asked you to extract the data for use on a new computer. Assuming the hard drive is fully functioning, which of the following methods would most easily allow this?

  • Copy and burn the data to DVDs
  • Use FTP to place the data in the cloud
  • Email the required files to the user
  • Place the old hard drive in a USB hard drive enclosure

Which of the following allows network prioritization based on packet contents?

  • SSID
  • QoS
  • VLAN
  • Firewall

Which of the following connector types would not be used as an internal PC component?

  • Molex
  • PATA
  • BNC
  • SATA

Which of the following ports belongs to a standard protocol used to query data from an Active Directory server?

  • 389
  • 443
  • 23
  • 143

You are a desktop technician for a small office. You suspect that a user has opened their desktop PC case and made unauthorized changes to the device's hardware. Which of the following can be configured to identify this in the future?

  • Host Intrusion Prevention
  • None of the above
  • Host Intrusion Detection
  • Chassis Intrusion Detection

Which of the following choices is used as a standard measurement when referring to printed media?

  • PPI
  • DPI
  • Aspect Ratio
  • Contrast Ratio