CompTIA A+ 220-901 UPDATED Exam Questions and CORRECT Answers
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Course
CompTIA
Institution
CompTIA
CompTIA A+ 220-901 UPDATED Exam
Questions and CORRECT Answers
What device in the computer system does all the processing of information obtained from
various
input devices? - Correct Answer- CPU
What PC component is referred to as primary storage and loses its content when power is
removed...
CompTIA A+ 220-901 UPDATED Exam
Questions and CORRECT Answers
What device in the computer system does all the processing of information obtained from
various
input devices? - Correct Answer- CPU
What PC component is referred to as primary storage and loses its content when power is
removed? - Correct Answer- RAM
Where are the instructions to start the computer system stored? - Correct Answer- BIOS
What type of firmware supports the new Secure Boot option which guarantees the integrity of
the startup files? - Correct Answer- UEFI
Which CPU feature needs to be enabled in the BIOS and is designed to help thwart malware
attempts to corrupt the system files? - Correct Answer- No Execute Bit or Disable Execute
Bit
What device is described as a mini computer in your pocket running a mobile operating
system? - Correct Answer- Smart phone
Which PC component provides data communications for all other internal and external
components? - Correct Answer- Motherboard
A data pathway in a computer system is referred to as what? - Correct Answer- Bus
Which component modifies AC voltage into DC voltage? - Correct Answer- Power supply
What are the three voltages provided by the power supply in most systems? - Correct
Answer- 3.3, 5, 12
How many pins are contained in the SATA data cable? - Correct Answer- 7
, How many devices are supported by the USB 3.0 standard? - Correct Answer- 127
What is the voltage provided by the USB standard? - Correct Answer- 5V
What type of port is traditionally used for mice and keyboards? - Correct Answer- PS/2
What is the cable limit for the USB 2.0 standard? - Correct Answer- 5m
What is the cable length limitation for Ethernet network cables? - Correct Answer- 100m
What category of UTP is most commonly used and provides the ability to achieve 1Gbps
transfer speeds? - Correct Answer- Cat5e
Which type of network cabling uses optical pulses of light instead of electrical signals? -
Correct Answer- Fiber optic
What is the primary protocol that is used on the internet and LANs today? - Correct Answer-
TCP/IP
Which network service is responsible for resolving user friendly names to numerical IP
addresses? - Correct Answer- DNS or Domain Name System
Which network service is used to assign IP addresses to clients that are attempting to connect
to the network? - Correct Answer- DHCP
Which laptop component is the most likely to need replacing? - Correct Answer- Battery
What can be used to ensure long battery life in a portable computer? - Correct Answer- Power
options
What are the small areas used to store data entering and leaving the CPU called? - Correct
Answer- Registers
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