Cisco CCNA Discovery Chapter 1 (Kunci Jawaban)

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

Answer is in bold letters


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

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

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

• operating system
• Network
• Laptop
• Desktop
• Windows
• Mainframe

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.

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.

What measurement is commonly associated with computer processing speed?

• Bits
• Pixels
• Hertz
• Bytes

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

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
• clock speed of CPU
• driver for video card
• amount of cache memory
• size of hard disk
• RPM speed of the hard disk

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

• NIC
• serial port
• parallel port
• IR port
• USB port

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

Blu-ray disc

DVD disc

hard disk

static memory

Which low-cost component is designed to remove only overvoltages from a power line?

	UPS
	power supply
	surge suppresor
	extension cord that has an on/off switch

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.

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

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

	dry and non humid conditions
	carpeted floor
	grounding strap
	uncluttered work space

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

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

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.

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.

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.

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

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

	1
	2
	4
	8
	9
	16