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Kunci Jawaban Cisco IT Essentials Chapter 1

IT Essentials-Chapter 1



1
What are two factors that must be considered when choosing a computer case? (Choose two.)

the size of the monitor

the vendor that manufactured the motherboard

the number of external or internal drive locations

the size of the motherboard and the power supply

the number of LED indicators at the front of the case


2
What are the two connector types for the 1394a interface? (Choose two.)

2-pin

4-pin

6-pin

8-pin

9-pin

15-pin


3
What is a function of a KVM switch?

digitizes an image or document and sends the information to multiple computers

stores images from both digital still cameras and digital video cameras on magnetic media

provides capability to share a keyboard, a mouse, USB devices, and speakers with multiple computers

provides biometric identification to an individual user by the use of fingerprints, voice recognition,or a retinal scan


4
A student has passed the CompTIA A+ certification exam. Based on this passing score, for which job is the student now qualified?

network associate

security technician

network technician

network professional

PC hardware and software technician


5
Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?

EEPROM

EPROM

PROM

ROM


6
Which type of computer resources are direct lines to the processor and are used by computer components to request attention from the CPU?

DMAs

I/O addresses

IRQs

memory addresses


7
Which three devices are considered output devices? (Choose three.)

fingerprint scanner

headphones

keyboard

monitor

mouse

printer


8
Which technology would be best to use for drive redundancy and data protection?

CD

DVD

PATA

RAID

SCSI


9
Which two devices are considered input devices? (Choose two.)

biometric authentication device

printer

digital camera

projector

speakers


10
Which two form factors are commonly used to build a new computer? (Choose two.)

BTX

NLQ

ATX

CLV

ECC







11
What is the function of a fan on top of a heat sink?

to cool the memory modules

to move the heat away from the CPU

to draw cool air into the computer case

to provide a water-cooling system for extremely fast CPUs


12
Which important feature is offered by the USB standard?

A single USB connection to a computer can support up to 255 separate devices.

It offers rates of around 580 Mb/sec in low-speed mode.

It allows up to 920 Mb/sec in the 2.0 version.

It can supply power from the computer to devices.


13
Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (Choose three.)

IRQ

DMA

UDP

I/O address

USB

PnP


14
Which memory module has a front side bus speed of 200 MHz?

DDR-333

DDR-400

DDR3-667

PC100 SDRAM


15
A technician receives a complaint of poor image quality after the user changes the native resolution. While investigating the complaint, the technician discovers there is a mismatch between native mode and the native resolution of the peripheral. Which item is configured incorrectly?

DLP

LCD

printer

scanner


16
What is a function of the operating system in a computer?

It defines the physical components in the computer.

It instructs the computer how to process information.

It provides instructions on how to access the Internet.

It identifies the type of firmware that is installed in the computer.


17
A technician creates a simple circuit that has a 9 V light bulb attached to a 9 V battery. The power output of the light bulb is 100 W. Which equation should be used to calculate how much current in amps is required to achieve the full 100 W output from the 9 V bulb?

I = P/V = 100W/9V = 11.11A

I = P*V = 100W*9V = 900A

I = (P/2)*V = 50W*9V = 450A

I = P*2*V = 100W*(9V + 9V) = 8100A


18
Refer to the exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system?

8x

3 GB

2.0 GHz

1919 MB

1280 x 800

13.35 x 9.57


19
Which IEEE standard defines the FireWire technology?

1284

1394

1451

1539


20
How many FireWire devices can be supported by a single FireWire port?

12

25

32

54

63

127

2 Responses to "Kunci Jawaban Cisco IT Essentials Chapter 1"

  1. ok,,,ane izin sedot yeeee...
    mau ujian cisco

    ReplyDelete
  2. Syukron om.. ijin dongdot yee

    ReplyDelete

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