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2021 Aug comptia a+ operating system 220-802:
Q41. - (Topic 4)
The technician is dispatched to look at a user’s laptop. The user reports the system shuts down after 30 minutes of field use. The technician notices the battery is not fully charging. Which of the following should the technician perform to resolve this?
A. Remove the battery and connect it to a commercial battery charger.
B. Discharge the battery using a static mat.
C. Change the power setting on the laptop to use less power.
D. Replace the battery.
Answer: D
Explanation: http://www.wikihow.com/Fix-a-Laptop-that-is-not-Charging
Q42. - (Topic 4)
Ann, a user, has brought her laptop in for service. She reports that her battery is at 100%, but whenever it is unplugged it immediately shuts down. Which of the following should the technician do?
A. Replace the battery
B. Change power settings to balanced
C. Replace the power adapter
D. Enable APM in the BIOS
Answer: A
Explanation: http://www.dummies.com/how-to/content/how-to-replace-your-laptop-battery.html
Q43. - (Topic 4)
A technician recently installed a new video card in a PC. The PC already has integrated video on the motherboard. When the technician turns on the PC, there is no video. Which of the following is MOST likely the cause?
A. The motherboard BIOS version is out of date.
B. The incorrect video card drivers are installed.
C. The power connector for the video card is unplugged.
D. The video card is unsupported by the motherboard.
Answer: C
Explanation: http://www.tomshardware.com/forum/338600-33-unplugged-graphics-card-plugged-back-display-help
Q44. - (Topic 5)
A user has reported a file permissions issue to the network administrator. The administrator tries to recreate the problem on their computer but has no trouble accessing the file. Which of the following BEST describes what is occurring?
A. The user did not taken ownership of the file from the server.
B. The user is logged in using the wrong local profile.
C. The user is not in the appropriate group to have access to the file.
D. The user has been granted “read only” access to the file.
Answer: C
Q45. - (Topic 5)
Following an authorized person through a door or other security check point without showing proper identification or defeating a security mechanism is known as which of the following?
A. Hacking
B. Emulating
C. Partitioning
D. Tailgating
Answer: D
Up to the immediate present comptia 220-802 questions:
Q46. - (Topic 1)
A user sent an email requesting that a technician check if a computer is on and connected to the Internet so the user can login from home. Which of the following commands in the command prompt would a technician use to verify if the computer is on and connected without having to go to the computer?
A. NSLOOKUP
B. NETSTAT
C. PING
D. IPCONFIG
Answer: C
Explanation: http://pcsupport.about.com/od/commandlinereference/p/ping-command.htm
Q47. - (Topic 5)
An administrator sets up a wireless device that they will need to manage across the Internet. Which of the following security measures would BEST prevent unauthorized access to the device from the Internet?
A. Set the channels to wireless 802.11n only
B. Change the default username and password
C. Enable the wireless AP’s MAC filtering
D. Enable the wireless AP’s WPA2 security
Answer: B
Q48. - (Topic 5)
A new LAN drop has been activated but users report that they are unable to connect to the Internet and are receiving an IP address of 169.254.255.55 from that Windows workstation. Which of the following symptoms has occurred? (Select TWO).
A. DHCP server unavailable
B. IP address assigned by NAT
C. Limited connectivity
D. APIPA address assigned
E. IP conflict detected
F. Statically assigned IP address
Answer: A,D
Q49. - (Topic 3)
Which of the following is one of the major differences between a new tablet and a new laptop computer?
A. Tablet has no field serviceable parts.
B. Laptop has less field functionality.
C. Tablet has faster Ethernet capability.
D. Laptops have slower responsiveness than tablets.
Answer: A
Explanation:
Tablet PC has very delicate parts. Due to the nature of these parts, it cannot be serviced on field. You need special tools to pry open a tablet and working with the parts needs attention.
Q50. - (Topic 5)
A user has moved into a building and is installing a new wired network. There is existing cabling throughout the building. The user would like to prevent hardware that they do not own from connecting to the network. Which of the following actions would BEST prevent outside users from connecting?
A. Enable static IPs
B. Disable DNS
C. Disable local proxy server
D. Enable MAC filtering
Answer: D