DHomesb Chapter 1 - CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)





1. Which PC component is used to enable a computer system to exchange information with other systems on an Ethernet network?
>NIC

2. 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.
>Verify that all cables are connected properly.
>Ensure that the peripheral is powered on.

3. How many unique values are possible using a single binary digit?
>2

4. Why do servers often contain duplicate or redundant parts?
>Servers should be accessible at all times.

5. Which three terms describe different types of computers? (Choose three.)
>laptop
>desktop
> mainframe

6. Which low-cost component is designed to remove only overvoltages from a power line?
>surge suppresor

7. 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.

8. What are two advantages of purchasing a preassembled computer? (Choose two.)
>usually a lower cost
>adequate for performing most general applications

9.  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

10. In newer operating systems, how are system resources assigned by default when components are installed?
>dynamically assigned between the component and the operating system

11. Administrators at a multicampus college need access to their schedules wherever the administrators go. Which computing device would be the most appropriate?
>PDA

12. How is a server different from a workstation computer?
>The server provides services to clients

13. What are two benefits of connecting a laptop computer to a docking station? (Choose two.)
>An external monitor can be used.
>Alternate connectivity options may be available.

14. 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.

15. 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.)
>monitor
>power supply

16. A user needs to run multiple applications simultaneously on a computer. Which computer feature is important in the determination of how many simultaneous applications can be run?
>amount of RAM

17. Which computer component is considered the nerve center of the computer system and is responsible for processing all of the data within the machine?
>CPU

18. What can be used to prevent electrostatic discharge (ESD)?
>grounding strap

19. What characteristic of word processing software would make it a local application?
>The software is stored on the local hard drive.

20. A computer user is interested in computer storage. Which storage device typically has the highest storage capacity?
>hard disk

21. What measurement is commonly associated with computer processing speed?
>hertz


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