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CompTIA A Plus 220 901 Test 1

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: 21
  • Time: 60 seconds per question (0 hours, 20 minutes, 0 seconds)

A supervisor has asked you to update the BIOS on a customer's laptop. Where is the best place to find the correct BIOS firmware?

  • Manufacturer's website
  • BIOS developer website
  • Third party website
  • Microsoft

You are an IT Support Technician for a large office building. A user is complaining their laptop often does not charge or stops charging if they move it. What is most likely the issue?

  • Laptop's DC jack
  • Laptop's AC jack
  • The wall outlet nearest to the client's desk
  • CMOS Battery

Why would you use plenum rated cables when installing new cabling in a data-center?

  • Ensures an intruder cannot wire tap your cabling
  • Efficiently reduces EMI and cross talk in STP cabling
  • Allows cabling to be easily bent without snapping
  • Reduction in hazardous fumes in the event of a fire

You are trying to use RDP to control a Windows computer from your office to an accountant's computer in the corporate office building. What port should be opened in the firewalls between the two locations?

  • 21
  • 143
  • 3389
  • 22

Which of the following is a industry standard that provides similar functionality to BIOS?

  • UEFI
  • Grub
  • POST
  • MBR

Which of the following wireless communication standards requires line of sight in order to operate?

  • RF
  • IR
  • WiFi
  • Bluetooth

What CAT version is RATED to provide a transmission speed of 1000 Mbps?

  • CAT5e
  • CAT3
  • CAT6a
  • None of the above

You need to configure a SOHO network to provide IP Addresses to devices on the network. Which feature should be enabled?

  • MAC Filtering
  • DNS
  • DHCP
  • SSID BCST

Which of the following network standards can operate at two different channel widths on the same spectrum simultaneously?

  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a

You are a Desktop Technician in a company's IT Department. You need to find the hardware specifications of a desktop, however the device does not have an operating system installed. Which of the following options will display this information?

  • MBR
  • TPM
  • None of the above
  • BIOS

Which of the following network topologies provides the most redundancy to protect against network outages?

  • Star
  • Bus
  • Ring
  • Mesh

Which of the following properly describes the purpose of a KVM?

  • Allows for one computer to be viewed on many monitors at once
  • Allows for one set of peripherals to control multiple computers
  • Enhanced graphics for video games
  • Allows for touch screen interaction

Select the option that could properly be used to describe the characteristics of a VGA cable?

  • VGA uses the standard db-9 connector
  • VGA uses analog signals
  • VGA uses digital signals
  • VGA supports both audio and video

You are a Server Administrator at a small company. Company policy dictates that all remote connections must be encrypted and accessed using some form of authentication. Which of the following will allow a user to upload a large file from home, while adhering to company policy?

  • FTP
  • SSH
  • SMTP
  • SFTP

Which of the following properly describes the basic operating of a layer 2 network switch?

  • Transmits packets it receives to specific connections, based on MAC address.
  • Determines if a packet is safe for a network
  • Enables packets to be sent from one network to another
  • Broadcasts packets it receives to all connections

A customer is explaining their PC's symptoms, but you already know what the issue is. Which is the most appropriate action?

  • Continue listening to the customer's explanation, when they are done refer them to a website to find a solution
  • Finish listening to their explanation and then explain the solutions
  • Politely interrupt them and tell them your solutions.
  • Ask the customer to repeat the problem and all the symptoms several times, for clarity.

ECC type memory would be most commonly found in which type of device?

  • Gaming laptop
  • Desktop
  • Server
  • Tablet

Of the following choices, which is an industry standard protocol used by computer networks to assign IP Addresses to network nodes and devices?

  • DNS
  • DHCP
  • ARP
  • RARP

Which of the following options would typically be associated with encryption?

  • UEFI
  • Memory
  • TPM
  • CPU

Which of the following will be the first to receive heat leaving a processor?

  • Thermal paste
  • CPU Fan
  • Heat Sink
  • Case Fan

Which of the following is the default TCP/IP port for the standard HTTP protocol?

  • TCP 80
  • TCP 443
  • TCP 23
  • TCP 22