CCNA Discovery 1 Chapter 1 V4.0 Answers

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

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

PDA

laptop

desktop

mainframe

gaming device

 

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

CPU

surge suppressor

motherboard

hard drive

 

3. What is the main storage drive used by servers, desktops, and laptops?

tape drive

hard drive

optical drive (DVD)

floppy disk drive

 

4. What measurement is commonly associated with computer processing speed?

bits

pixels

hertz

bytes

 

5. How is a server different from a workstation computer?

The server works as a standalone computer.

The server provides services to clients.

The workstation has fewer applications installed.

The workstation has more users who attach to it.

 

6. What characteristic of word processing software would make it a local application?

The application is shared between users.

The software is stored on the local hard drive.

The software is accessible through a web page.

The software has the ability to manipulate text and graphics.

 

7. What two functions does a UPS provide that a surge protector does not? (Choose two.)

It protects the computer from voltage surges.

It provides backup power from an internal battery.

It protects the computer from sudden voltage spikes.

It gives the user time to phone the electrical company.

It gives the user time to safely shut down the computer if the power fails.

It provides backup power through a generator provided by the wall outlet.

 

8. 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.)

mouse

printer

monitor

keyboard

hard drive

power supply

 

9. 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.

Disconnect all cables connected to the computer except those connected to the peripheral.

Ensure that the peripheral is powered on.

Disconnect the peripheral and verify that the computer is operating normally.

Reload the computer operating system.

 

10. 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

presentation

spreadsheet

word processing

medical practice management software

database management

 

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

RAM

CPU

video card

sound card

operating system

 

12. What are two advantages of purchasing a preassembled computer? (Choose two.)

usually a lower cost

exact components may be specified

extended waiting period for assembly

adequate for performing most general applications

suited for customers with special needs

 

13. Which two steps should be performed when installing a peripheral device? (Choose two.)

Download and install the most current driver.

Connect the peripheral using any cable and any available port on the computer.

Connect the peripheral using an appropriate cable or wireless connection.

Test the peripheral on another machine before installing it on the one where it will be used.

Check the computer documentation to see if the peripheral vendor is compatible with the PC vendor.

 

14. Which adapter enables a computer system to exchange information with other systems on a local network?

video card

sound card

modem card

network interface card

 

15. How many unique values are possible using a single binary digit?

1

2

4

8

9

16

 

16. What can be used to prevent electrostatic discharge (ESD)?

dry and non humid conditions

carpeted floor

grounding strap

uncluttered work space

 

17. Which three terms describe different types of computers? (Choose three.)

operating system

network

laptop

desktop

Windows

mainframe

 

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

RAM

NIC

video card

sound card

storage device

 

19. In newer operating systems, how are system resources assigned by default when components are installed?

manually assigned by the operating system

manually assigned by the administrator

statically assigned by the component to a preset resource

dynamically assigned between the component and the operating system

 

20. Why do servers often contain duplicate or redundant parts?

Servers require more power and thus require more components.

Servers should be accessible at all times.

Servers can be designed as standalone towers or rack mounted.

Servers are required by networking standards to have duplicate parts.

 

21. What are two benefits of connecting a laptop computer to a docking station? (Choose two.)

Mobility is increased.

Less power is required.

An external monitor can be used.

More wireless security options are available.

Alternate connectivity options may be available.

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