CSS NCII Pretest

1. What is the first job the Basic Input Output System(BIOS) does at start-up?

• 1. Run the power on self-test

• 1. Load instructions to RAM

• 1. Run memory test

• 1. Power-up the motherboard

1. Which component uses a lithium battery to maintain computer settings when power is removed?

• 1. ROM

• 1. CMOS

• 1. RAM

• 1. BIOS

1. What is a form of firmware that contains the computer's startup instructions?

• 1. ROM

• 1. CMOS

• 1. RAM

• 1. BIOS

1. What is BIOS' most important role?

• 1. Initiating the microprocessor

• 1. Booting the motherboard

• 1. Loading the operating system

• 1. Running application

1. Any piece of hardware containing files the computer needs to start is called _____

• 1. Boot error

• 1. Boot process

• 1. Boot device

• 1. Boot sequence

1. What is the MAC stand for ___________.

• 1. Medium access control

• 1. Medium access compare

• 1. Medium access control

• 1. Medium access compared

1. Connects devices on a computer network by using packet switching to receive, and forward data to the destination device.

• 1. Switches

• 1. Hub

• 1. Routers

• 1. Modem

1. Forwards data packets between computer networks.

• 1. Switches

• 1. Hub

• 1. Routers

• 1. Modem

1. Converts data into a format suitable for a transmission medium so that it can be transmitted from computer to computer.

• 1. Switches

• 1. Hub

• 1. Routers

• 1. Modem

1. Dynamically assigns IP addresses and other IP configuration information to network clients.

• 1. DNS

• DHCP

• 1. TCP

• 1. HTTP