CompTIA 220-901 Study Guides 2021

NEW QUESTION 1
Which of the following panel types would allow for the THINNEST possible display monitor?

• A. LED
• B. CRT
• C. DLP
• D. Plasma

Answer: A

NEW QUESTION 2
Which of the following components is responsible for converting light into digital information?

• A. Microphone
• B. Digitizer
• C. Inverter
• D. Webcam

Answer: D

NEW QUESTION 3
Which of the following resource is the MOST critical when cloud file-storage synchronization applications?

• A. Disk speed
• B. I/O bandwidth
• C. Ram utilization
• D. CPU utilization

Answer: B

NEW QUESTION 4
A SOHO is considering a purchase of several printers that will facilitate printing on both sides of the media. Which of the following optional add-ons will provide this functionality?

• A. Collate
• B. Duplex
• C. Fast draft
• D. Paper type

Answer: B

NEW QUESTION 5
A network technician is installing a new SOHO branch office that requires the use of a DOCSIS-compatible modern. The modern needs to be connected to the ISP’s at the demark. Which of the following cable types should be used?

• A. UTP
• B. Multimode
• C. Coaxial
• D. Serial

Answer: C

NEW QUESTION 6
One of the functions of a CMOS battery is to:

• A. Keep the BIOS clock running.
• B. Preserver the master boot record.
• C. Provide backup power during a blackout
• D. Ensure data is safely written during shutdow

Answer: A

NEW QUESTION 7
Which of the following would allow a network technician to access files on remote system? (Select Two).

• A. FTP
• B. TFTP
• C. VLSM
• D. SIP
• E. SMTP
• F. IMAP

Answer: CD

NEW QUESTION 8
A user has purchased a Bluetooth headset to use with a notebook. The headset turns an and appears In the device manager but does not play sound through the headset. Which of the following is the MOST likely reason for this problem?

• A. The headset is not set to discoverable.
• B. The headset PIN is not correct.
• C. The laptop is set to be discoverable.
• D. The laptop is using a default audio devic

Answer: A

NEW QUESTION 9
A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to be the wireless network. Which of the following must be configured to implement this solution?

• A. EAP-PEAP
• B. CCMP-AES
• C. WPA2-PSK
• D. TKIP-RC4

Answer: C

NEW QUESTION 10
A technician is notified of an inkjet printer not printing properly. The user’s computer has the printer software loaded and is not displaying any errors. A test print was performed, with one of the colors not printing properly. Which of the following would the technician typically perform FIRST to resolve the issue?

• A. Replace cartridges
• B. Run a cleaning page
• C. Clean heads
• D. Clean fuser assembly

Answer: C

NEW QUESTION 11
A customer struggles with the small print of most smartphones. The customer still likes the idea of using a smartphone for phone calls and work. Which of the following devices should the technician recommend to the customer?

• A. A tablet
• B. An e-Reader
• C. A phablet
• D. A smart watch

Answer: C

NEW QUESTION 12
Which of the following 802.11 standards has a MAXIMUM bandwidth throughput Mbps and uses 2.4GHz frequency?

• A. A
• B. B
• C. G
• D. N

Answer: C

NEW QUESTION 13
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?

• A. Loop back plug
• B. POST card
• C. Power supply tester
• D. Multimeter

Answer: B

NEW QUESTION 14
A user reports a computer pauses for a long time when opening files in the music library after importing an existing music library from another device. After backing up the data, which of the following would BEST resolve this problem?

• A. Defragment the physical drive.
• B. Perform a zero fill of the hard drive.
• C. Conduct a quick formal of the affected hard drive.
• D. Run a surface-level scan on the hard driv

Answer: A

NEW QUESTION 15
Which of the following types of media connectors carries digital video as well as audio?

• A. DVI-D
• B. DVI-A
• C. HDMI
• D. VGA

Answer: C

NEW QUESTION 16
A user reports that the mouse is not working properly. The technician notices on the user’s workstation that the mouse cursor spins for several minutes before the technician can use the mouse. Which of the following is the cause of the issue?

• A. Failed Operating System
• B. Faulty mouse
• C. Faulty CPU
• D. Not enough memory

Answer: D

NEW QUESTION 17
Which of the following devices allows a variety of digital musical instruments, computers, and other devices to communicate with each other?

• A. MIDI
• B. KVM
• C. Digitizer
• D. SPDIF

Answer: A

NEW QUESTION 18
Users in a school tab are reporting slow connections to the servers and the internet. Other users in the school have no issues. The lab has 25 computers and is connected with a single 1 Gb Ether connection on a Cat 5e to an unmanaged switch.

• A. Plug in a second space cable at each end to double the speed.
• B. Replace the switches with ones that utilize port bonding and use the spare cables.
• C. Replace the switches with 10Gb switches and utilize the existing cabling.
• D. Plug in a second cable and set port to TX and one port to RX

Answer: C