WorksheetsMr. Cassani's CompTIA A+ (Core 1) Exam
Total questions: 21
Worksheet time: 25mins
Which of the following devices provides the portability of a mobile phone and functionality of a laptop/desktop?
Tablet
GPS unit
E-reader
Fitness monitor
A user brings in a smartphone for repair. The device is unable to send/receive calls or connect to WiFi. All applications on the device are working unless they require connectivity. Which of the following is MOST likely causing the problem?
Airplane mode
Tethering
Disabled Hotspot
VPN
Which of the following technologies can be used for wireless payments?
NFC
Bluetooth
IR
LTE
Which of the following connector types can be plugged into a device both right-side up and upside down?
USB
USB-C
Mini-USB
Micro-USB
A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for online gaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of the following connection types would the user MOST likely utilize to connect the video card to the motherboard?
PCIe
ISA
AGP
USB
Which of the following peripheral types is MOST likely to be used to input actions into a PC?
Webcam
Mouse
Monitor
Optical drive
Which of the following resource types would be BEST suited to saving photographs from a mobile device with limited onboard storage?
Cloud file services
Virtual desktop
Off-site email
Resource pooling
An engineer's workstation experiences a BSOD whenever loading very large CAD files to modify. Which of the following troubleshooting steps should a technician take to isolate the issue?
Install additional RAM rated at the fastest speed the motherboard will support.
Perform a hard drive scan to identify and lock out any bad sectors from use.
Run a memory test to verify all memory addresses can be reliably written to and read from.
Increase the size of the swap file to ensure adequate virtual memory is available.
A user is unable to browse Internet websites. A technician runs ipconfig and sees the following output:
IP address............: 192.168.0.31
Subnet mask...........: 255.255.255.0
Default gateway.......: 192.168.0.254
The technician pings the gateway and gets a reply. The technician then pings an external IP address and also gets a reply. Which of the following commands would MOST likely resolve the issue?
netstat -nbt
netsh int ip reset
ipconfig /flushdns
nslookup 192.168.0.254
A technician is installing a network-enabled smart home control system in a SOHO.
To access the system from the internet, which of the following configurations is MOST likely required on the SOHO router?
Port forwarding
NAT
DHCP
QoS
Due to a blackout, power is no longer coming from the wall outlet, and your computer is now off. You do not have a UPS, and you need to remove a disc out of the DVD drive. What is the easiest method for retrieving the disc?
Press the drive's eject button while pressing the computer's restart button.
Push an unbent paper clip into the hole on the front of the drive.
Add a UPS between the wall outlet and the computer.
Remove the drive and carefully pry open the tray.
A technician is troubleshooting a user's workstation and needs to access the BIOS, after restarting the computer what key must the technician press to enter the BIOS?
F10
F2
ctrl + alt + del
esc
You are testing a printer you just installed, so you use the operator panel on the printer to print a test page. Later, you use the printer properties on your computer to print a test page. Instead of a normal test page, you receive several pages with garbled characters on them.
What is the most likely cause of the problem?
A problem with the printer power supply or the power cable
Wrong print driver
Bad printer memory
Wrong toner cartridge
Which of the following best describes how a switch functions?
It connects multiple segments of different architectures. It translates frames and broadcasts them to all of its ports.
It connects multiple cable segments or devices and broadcasts frames to all of its ports.
It connects multiple segments of different architectures. It translates frames and forwards them to the appropriate segment.
It connects multiple cable segments or devices and forwards frames to the appropriate segment.
You are tasked with installing a device in a user's workstation that acts as a battery if the power were to go out. What device should you install?
Printer
UPS
Surge protector
Proxy server
What IEEE standard transmits at a frequency of 2.4GHz/5GHz with up to a speed of 600Mbps?
802.11a
802.11b
802.11n
802.11g
You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire is +5.1 volts. What should you do?
Disconnect all devices drawing power from the power supply before testing it.
Nothing. The power supply is working normally.
Replace the power supply.
Switch the voltage selector on the back from 220 VAC to 110 VAC.
Where is the MOST LIKELY place to find an antenna in a laptop?
Under the keyboard
Behind the screen
Around the laptop bezel
None of the above
You have a laptop with a dual-core processor that has:
-1024 KB L2 CACHE
-125 watts
-45nm process size
Now you want to upgrade to a processor that uses less power. Which one will you choose?
32nm process size
90 watts
Singe core processor
512 KB L2 CACHE
Which of the following would BEST reset the BIOS password?
Restart the computer
Remove and reinstall the CPU
Remove and reinstall the CMOS battery
Remove and reinstall the RAM
You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors.
Which of the following BEST describes the action you should take based on the multimeter reading shown above?
Replace the power supply because it is failing.
Continue using the power supply until the voltage on the yellow wire drops to less than 9 volts.
Switch the voltage selector on the back of the power supply to 230 volts AC.
Keep using the power supply, but stop using that particular Molex connector.
