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COMPTIA A+ 220-901 EXAM | COMPTIA A+ CERTIFICATION PRACTICE TEST 1 (EXAM 220-901)
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COMPTIA A+ 220-901 EXAM | COMPTIA A+ CERTIFICATION PRACTICE TEST 1 (EXAM 220-901)
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COMPTIA A+ 220-901 EXAM | COMPTIA A+ CERTIFICATION PRACTICE TEST 1 (EXAM 220-901)What device in the computer system does all the processing of information obtained from various
input devices? - answer - CPU
What PC component is referred to as primary storage and loses its content when power
is removed? - answer - RAM
Where are the instructions to start the computer system stored? - answer - BIOS
What type of firmware supports the new Secure Boot option which guarantees the integrity of the startup files? - 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? - answer - No Execute Bit or Disable Execute Bit
What device is described as a mini computer in your pocket running a mobile operating system? - answer - Smart phone
Which PC component provides data communications for all other internal and external components? - answer - Motherboard
A data pathway in a computer system is referred to as what? - answer - Bus
Which component modifies AC voltage into DC voltage? - answer - Power supply
What are the three voltages provided by the power supply in most systems? - answer - 3.3, 5, 12
How many pins are contained in the SATA data cable? - answer - 7
How many devices are supported by the USB 3.0 standard? - answer - 127
What is the voltage provided by the USB standard? - answer - 5V
What type of port is traditionally used for mice and keyboards? - answer - PS/2
What is the cable limit for the USB 2.0 standard? - answer - 5m
What is the cable length limitation for Ethernet network cables? - answer - 100m What category of UTP is most commonly used and provides the ability to achieve 1Gbps transfer speeds? - answer - Cat5e
Which type of network cabling uses optical pulses of light instead of electrical signals? - answer - Fiber optic
What is the primary protocol that is used on the internet and LANs today? - answer - TCP/IP
Which network service is responsible for resolving user friendly names to numerical IP addresses? - 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? - answer - DHCP
Which laptop component is the most likely to need replacing? - answer - Battery
What can be used to ensure long battery life in a portable computer? - answer - Power options
What are the small areas used to store data entering and leaving the CPU called? - answer - Registers
The primary internal component within a CPU that performs the calculations is known as what? - answer - ALU or Arithmetic Logic Unit
Modern CPUs typically have multiple ___________ that really allow the CPU to act as more than a single CPU. - answer - Cores
The most common architecture for CPUs today is __________________? - answer - X86 or 32-bit
What is the latest standard for RAM that operates at bandwidths up to 12,800 Mbps? - answer - DDR3-1600 or PC 12800
What is the data path for modern memory which allows modules to be installed individually and provide 8 bytes of data transfer simultaneously? - answer - 64-bit
Which component is most likely to use a DVI-D connection on the PC? - answer - Monitor or video card
Which technology is often used to send output information to a high definition television as opposed to a monitor? - answer - HDMI
Which optical media has a maximum capacity on the original dual layer discs of 50GB? - answer - Blu ray
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