CompTIA 220-901 Dumps Questions 2021

NEW QUESTION 1
Older video cards used S-video to output to a TV. This standard has been replaced by:

• A. FireWire.
• B. SCSI.
• C. coaxial.
• D. HDMI.

Answer: D

NEW QUESTION 2
A technician just finished replacing a laptop screen, and upon first boot notices that the screen provides a very faint but darkened image which cannot be adjusted. Which of the following was MOST likely left unplugged after replacement?

• A. CMOS Battery
• B. Mini-PCI Card
• C. Inverter
• D. DC Cord

Answer: C

Explanation: http://www.ehow.com/how-does_5011808_inverter-work-laptop.html

NEW QUESTION 3
Which of the following ports is typically used for sending email?

• A. 21
• B. 22
• C. 23
• D. 25

Answer: D

NEW QUESTION 4
Which of the following wireless standards operates at 5GHz? (Select TWO).

• A. 802.11a
• B. 802.11b
• C. 802.11bg
• D. 802.11g
• E. 802.11n

Answer: AE

NEW QUESTION 5
A technician replaces a defective 250GB hard drive in a desktop with a 2TB hard drive. After installation, the computer detects the new 2TB drive as a 250GB drive. Which of the following should the technician do to fix this issue?

• A. Reinstall the drive
• B. Patch the OS
• C. Upgrade the driver
• D. Flash the BIOS

Answer: D

NEW QUESTION 6
Which of the following external ports would a technician use to connect a keyboard? (Select TWO).

• A. eSATA
• B. IEEE 1394
• C. USB
• D. PS/2
• E. VGA

Answer: CD

NEW QUESTION 7
Which of the following channels would commonly be used on an 802.11 wireless network?

• A. 6
• B. 17
• C. 802
• D. 8080

Answer: A

NEW QUESTION 8
Which of the following RAM types is used if it is labeled as 4 GB PC1333?

• A. RAMBUS
• B. DDR3
• C. SDIMM
• D. SIM

Answer: B

NEW QUESTION 9
A technician is building a new PC and notices that it has 8 DIMM sockets labeled 0 through 7. Four are white and four are blue. Which of the following should the technician do FIRST?

• A. Install the memory in the four white slots
• B. Install the memory in the four blue slots
• C. Consult the motherboard documentation
• D. Install the memory in slots 0 through 3
• E. Fill all slots with memory

Answer: C

NEW QUESTION 10
A technician has been asked to identify the unknown network addresses from a series of printers attached to the network via external hardware printer servers. Which of the following will provide the technician with the necessary information?

• A. Performing a device self test print page from each printer
• B. Performing a device print page from each print server
• C. Performing a device factory reset on each print server
• D. Performing a PING of each device address without the FQDN

Answer: B

NEW QUESTION 11
A user reports that a computer keeps shutting itself down. After troubleshooting, the technician determines the shutdowns occur whenever the computer is stressed, such as when the user is compiling a program in Visual Studio. Which of the following is MIOST likely the issue?

• A. The Visual Studio program is corrupted and needs to be reinstalled.
• B. The OS has not been updated recently and requires a reboot.
• C. The video card and needs to be upgraded is run graphics -intensive applications.
• D. The CPU overheating because of excessive dust buildup In the heat sink and the fa

Answer: D

NEW QUESTION 12
A user call the help desk stating a laptop performing slowly and the hard drive activity lights are blinking continuously. a technician checks for enough hard drive space, disables antivirus and indexing services, and runs a full-system diagnostic checks, which returns no failure. Which of type following should the technician do NEXT?

• A. install a new hard drive.
• B. Check for hard-drive firmware upgrades.
• C. Replace the hard drive with a solid state drive.
• D. Configuration the laptop in high-performance mode.
• E. Change the boot order in the system BIO

Answer: C

NEW QUESTION 13
A user needs a drive system that offers redundancy while providing the fastest read/write speeds possible. Which of the following RAID configurations should a technician configure in the user’s workstation?

• A. 1
• B. 5
• C. 10

Answer:

NEW QUESTION 14
Which of the following is an advantage of using static IP addresses for a business?

• A. High availability
• B. Simplifies IP management
• C. Lower security risk
• D. Scalability for upgrades

Answer: A

NEW QUESTION 15
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?

• A. Reseat the drive cable in the array.
• B. Replace the RAID controller.
• C. Replace the faulty drive in the array.
• D. Reinstall the RAID driver

Answer: C

NEW QUESTION 16
A technician replaces a failed hard drive with a brand new one. The technician boots from a PE CD and attempts to install a custom OS build deployed from the network. The hard drive is visible in the system’s BIOS. However, once in the preinstallation environment, the drive is not recognized in the imaging process and the process fails. Which of the following is MOST likely the cause of failure?

• A. The boot CD has failed and needs to be replaced.
• B. The hard drive needs to have its configuration manually defined in the BIOS.
• C. The PC’s power supply is not providing enough power to the new hard drive.
• D. The hard drive has not been partitioned correctl

Answer: D

NEW QUESTION 17
The network security team has been authorized to increase the security of a wireless network. Which of the following provides the BEST encryption on a corporate network?

• A. AES
• B. WPA
• C. WEP
• D. TKIP

Answer: C

NEW QUESTION 18
A technician wants to simplify users' wireless configuration in a new remote office. Which of the following must be configured on the access point to allow wireless clients to automatically negotiate secure authentication with the SOHO access point?

• A. Enable QoS
• B. Enable SSID Broadcast
• C. Enable WPS
• D. Enable MAC filtering

Answer: C