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2021 Sep comptia 220-801 study guide:
Q321. - (Topic 3)
Which of the following will send all received packets out all of its ports except the port it was received on?
A. Switch
B. Router
C. WAP
D. Hub
Answer: D
Q322. - (Topic 4)
Joe wants to purchase a computer for use in his family’s home theater and asks for advice. Which of the following should be the FIRST priority in Joe’s new computer?
A. Maximum RAM and CPU cores
B. High-end cooling and very powerful fans
C. High wattage power supply and large case
D. Surround sound audio and HDMI output
Answer: D
Q323. - (Topic 6)
Which of the following types of RAM is typically used to improve reliability?
A. Double sided
B. ECC
C. SODIMM
D. RDRAM
Answer: B
Explanation:
http://www.webopedia.com/TERM/E/ECC_memory.html
Q324. - (Topic 6)
A laptop running a Windows operating system has a key that is supposed to launch Internet Explorer, but is not functioning. Which of the following will resolve this?
A. Installing Bluetooth drivers from a manufacturer's website
B. Installing ACPI drivers from a manufacturer's website
C. Installing Hotkey drivers from a manufacturer's website
D. Installing AHCI drivers from a manufacturer's website
Answer: C
Explanation:
http://forum.notebookreview.com/panasonic/67423-hotkeys-driver-help.html
Q325. - (Topic 3)
Impact printers use which of the following technology combinations for generating printed output?
A. Pin / Ribbon
B. Nozzle / Ink
C. Drum / Toner
D. Heat / Ribbon
Answer: A
Down to date practice test 220-801:
Q326. - (Topic 3)
Which of the following Internet connection types has the HIGHEST latency?
A. WiMAX
B. Satellite
C. Fiber
D. Dial-up
Answer: B
Q327. - (Topic 2)
Which of the following devices requires 3.3V of power from the motherboard? A. SLI Video Card
B. DVD-ROM Drive
C. USB Port
D. Serial Port Card
Answer: D
Q328. - (Topic 6)
A technician needs to install an appropriate PSU into a new machine. The technician needs
available power for a floppy drive, two older IDE hard disks, a single SATA hard disk, and an IDE optical drive. How many unique power connectors will the PSU need to accommodate the listed devices?
A. 2
B. 3
C. 4
D. 5
Answer: B
Explanation:
Three power connectors are enough to power a floppy drive, old IDE hard disk a single SATA disk and an optical drive. This is possible because a single connector has multiple connectors that can be plugged into these devices.
Q329. - (Topic 7)
Which of the following devices is MOST likely to outperform a 15,000 rpm SAS hard drive in read speed?
A. Compact flash
B. SSD
C. Tape
D. SD
Answer: B
Explanation:
http://www.8088.net/blog/index.php/2011/01/24/iops-comparison-solid-state-drive-ssd-15000- 7200-5900-5600-rpm/?lang=en
Q330. - (Topic 4)
Which of the following printer components is responsible for flipping the paper over to allow printing on both sides?
A. Fusing assembly
B. Image transfer assembly
C. Duplexing assembly
D. Paper registration assembly
Answer: C