DHomesb Chapter 1 – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)
12 Mei 2011 3 Komentar
Which adapter enables a computer system to exchange information with other systems on a local network?
#network interface card
What measurement is commonly associated with computer processing speed?
Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?
Why do servers often contain duplicate or redundant parts?
#Servers should be accessible at all times.
What are two benefits of connecting a laptop computer to a docking station? (Choose two.)
#Less power is required.
#An external monitor can be used.
What characteristic of word processing software would make it a local application?
#The software is stored on the local hard drive.
A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this?
What are two advantages of purchasing a preassembled computer? (Choose two.)
#usually a lower cost
#adequate for performing most general applications
Applications can be grouped into general use software or industry specific software. What are two examples of industry specific software? (Choose two.)
#an educational tool
#medical practice management software
What is the main storage drive used by servers, desktops, and laptops?
A user reports that a peripheral device that was installed correctly last week has not been functioning since the PC was booted today. All other PC functions are working properly. What are three things a service technician should do to solve the problem? (Choose three.)
#Use the testing functionality on the peripheral itself, if available.
#Disconnect all cables connected to the computer except those connected to the peripheral.
#Ensure that the peripheral is powered on.
What two functions does a UPS provide that a surge protector does not? (Choose two.)
#It provides backup power from an internal battery.
#It gives the user time to safely shut down the computer if the power fails.
Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?
Because of the potentially dangerous voltage levels, which two devices should you not open unless you have been specifically trained to work on them? (Choose two.)
What can be used to prevent electrostatic discharge (ESD)?
# grounding strap
How many unique values are possible using a single binary digit?
Administrators at a multicampus college need access to their schedules wherever the administrators go. Which computing device would be the most appropriate?
Which two steps should be performed when installing a peripheral device? (Choose two.)
#Download and install the most current driver.
#Connect the peripheral using an appropriate cable or wireless connection.
How is a server different from a workstation computer?
#The server provides services to clients.
Which three terms describe different types of computers? (Choose three.)
In newer operating systems, how are system resources assigned by default when components are installed?
#dynamically assigned between the component and the operating system