CompTIA A Plus 220 901 Test 1

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

• Server

• Gaming laptop

• Desktop

• Tablet

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

• WiFi

• Bluetooth

• RF

• IR

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

• Grub

• UEFI

• MBR

• POST

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?

• TPM

• None of the above

• BIOS

• MBR

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

• ARP

• DHCP

• DNS

• RARP

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

• Politely interrupt them and tell them your solutions.

• Finish listening to their explanation and then explain the solutions

• Ask the customer to repeat the problem and all the symptoms several times, for clarity.

• Continue listening to the customer's explanation, when they are done refer them to a website to find a solution

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

• CMOS Battery

• The wall outlet nearest to the client's desk

• Laptop's AC jack

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

• Bus

• Star

• Ring

• Mesh

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

• TCP 22

• TCP 23

• TCP 443

• TCP 80

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

• 802.11n

• 802.11b

• 802.11a

• 802.11g