CCNA 1 - CHAPTER 1

1  Which adapter enables a computer system to exchange information with other systems on a local network?
    #network interface card


2  What measurement is commonly associated with computer processing speed?
    #hertz


3  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


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


5  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.


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


7  A user plans to run multiple applications simultaneously on a computer. Which computer component is essential to accomplish this?
    #RAM


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 What is the main storage drive used by servers, desktops, and laptops?
    #hard drive


11 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.


12 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.


13 Which component is designed to remove high-voltage spikes and surges from a power line so that they do not damage a computer system?
    #surge suppressor


14 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


15 What can be used to prevent electrostatic discharge (ESD)?
    #grounding strap


16 How many unique values are possible using a single binary digit?
    #2


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


18 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.


19 How is a server different from a workstation computer?
    #The server provides services to clients.


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


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

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