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Following questions and answers are all new published by CompTIA Official Exam Center: https://www.lead2pass.com/220-901.html
A user has purchased a laptop that has no means to charge the battery. Which of the following would the user MOST likely purchase?
A. USB cable
B. AC adapter
C. PCMCIA card
D. Replacement battery
Which of the following will help dissipate heat through the heat sink when upgrading a CPU?
A. Case fan
B. Thermal compound
C. Motherboard riser
D. Power supply
Which of the following is an advantage that a USB mouse has over a PS/2 mouse?
A. A USB mouse uses less power
B. A USB mouse is more portable
C. A USB mouse is hot swappable
D. A USB mouse is more secure
A technician dropped a screw in the case of a desktop computer. Which of the following tools should be used to retrieve the screws?
A. Computer vacuum
B. Plastic tweezers
C. Canned air
D. Screwdriver with magnetized tip
Which of the following BEST describes a hub?
A. Determines the best route to transmit data
B. Inspects traffic and accepts or declines transmission
C. Broadcasts data to specific network devices
D. Broadcasts data to all network devices
A client states they are receiving poor signal strength on their wireless Internet connection. Which
of the following is MOST likely causing the interference? (Select TWO).
A. Cordless phones
C. Access points
E. Fluorescents lights
Which of the following is the MOST common secure web server port?
Which of the following protocols would BEST grant the user secure access to a remote location?
Which of the following protocols encrypt communication? (Select TWO).
Which of the following devices is used to move frames between a source and destination based on a MAC address?
Which of the following WLAN protocols is in the 5GHz band with a MAXIMUM data rate of 54Mbps?
Which of the following BIOS level settings allow an administrator to view warnings on possible hardware level changes?
A. Drive lock
B. Intrusion detection
C. BIOS password
D. Trusted platform module
A technician just installed an antivirus suite on a workstation. It is kept up-to-date and has recently scanned the system. A day later the user reports slower response times than usual. Which of the following is the user MOST likely experiencing?
B. Resource consumption
C. A trojan infection
D. Unremoved viruses
A technician installs a new video card in a desktop with onboard video. The technician boots the unit but sees no display. The monitor power light is on and the OS seems to be loading. Which of the following is the MOST likely cause?
A. The display is defective.
B. The video card needs to be flashed.
C. The internal adapter has not been disabled.
D. The new video card is defective.
A user is having problems printing. The technician believes the printer may be out of ink. Which of the following troubleshooting steps should be performed NEXT?
A. Establish a plan of action to resolve the problem
B. Implement the solution
C. Test the theory to determine cause
D. Verify full system functionality
A user can no longer launch their word processing program. The program worked fine yesterday. Which of the following options could BEST be used to fix the word processing program?
A. Safe Mode
B. Automated System Recovery
C. Last Known Good Configuration
D. System Restore
The contrast ratio for an LCD monitor is BEST defined as the ratio between:
A. display resolution and brightness.
B. power consumption and output intensity.
C. power savings of a comparable CRT monitor and the LCD.
D. the darkest and lightest displayed output.
A technician arrives in Germany and discovers that when their PC is plugged into the outlet, no power is received. Which of the following actions should the technician take to get the PC to operate?
A. Change the BIOS settings to the local time
B. Adjust the voltage selector switch
C. Attach a 220 volt power strip from the current region to the PC
D. Attach a 120 volt battery backup power supply to the PC
Which of the following technologies is the MOST secure form of wireless encryption?
The technician is repairing a PC which appears to have a failing RAM module. After replacing the module, the extra memory still is not registering. Which of the following is MOST likely the issue?
A. Jumper settings are incorrect
B. The RAM module is defective
C. The memory slot is defective
D. CMOS needs to be flashed
Which of the following processing types allows two instructions to be received and processed nanoseconds apart?
A. Quad core
B. Triple core
C. Dual core
Which of the following operating system types will allow a user to utilize 16GB of RAM if installed on a PC workstation?
A technician needs to configure a computer system for MAXIMUM safety of stored data while staying cost effective. Which of the following RAID levels should be used?
A. RAID 0
B. RAID 1
C. RAID 3
D. RAID 5
Which of the following cable types delivers a signal over a single pin connector?
Which of the following devices would allow a technician to utilize a single mouse, keyboard, and display to control numerous tower PCs?
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