Posted: March 5th, 2022

1. What limits upgrade potential for the system processor?

1. What limits upgrade potential for the system processor?

The kind of CPU socket and chipset supplied on the motherboard.

2. How can CPU efficiency be improved?

Overclocking—setting the processor to run at a better clock velocity than it was

designed for.

Three. Why can cache enhance efficiency?

A CPU tends to repeat the identical routines and entry the identical knowledge over-andover

once more. If these routines are saved in quick cache RAM, they are often accessed

extra shortly than directions and knowledge saved in system reminiscence.

Four. What does SMP imply?

Symmetric Multiprocessing—putting in multiple CPU. This requires a

motherboard with a number of CPU sockets.

5. How is the warmth sink and fan meeting connected, and what issues can

happen releasing it?

The warmth sink is connected to the motherboard through a clip or push pins. There’ll

even be an influence connector for the fan. Clip mechanisms might be tough to

launch; push pins at the moment are extra widespread and simply require a half activate every

pin with a screwdriver to launch. One other problem can come up the place an excessive amount of

thermal paste has been utilized, inflicting the warmth sink to stay to the processor.

6. What should you examine when inserting a PGA CPU chip?

That pin 1 is aligned correctly and that the pins on the bundle are aligned with

the holes in the socket. In any other case, you danger damaging the pins when the ZIF

lever is lowered.

7. What is the distinction between a warmth sink and a warmth pipe?

A warmth sink makes use of strong steel fins to dissipate warmth via convection (usually

Helped by utilizing followers to maneuver air throughout the fins). A warmth pipe accommodates fluid

that evaporates in the space over the CPU, cools and condenses in a one other half

of the pipe, after which flows again to the space over the CPU to proceed the cycle.

5-Three

1. What benefits does UEFI have over BIOS?

UEFI helps 64-bit CPU operation and higher hardware Help at boot. UEFI

additionally permits for full GUI system utilities and mouse Help plus higher system

startup safety choices (akin to pre-OS boot authentication).

2. Identify three keys generally used to run a PC’s BIOS/UEFI system setup

program.

Esc, Del, F1, F2, F10.

Three. What broadly supported boot technique is lacking from the following listing? HDD,

FDD, Optical, USB.

Community/PXE (Pre-eXecution Setting)—acquiring boot data from a

specifically configured server over the community.

Four. The place must you launch a typical firmware upgrade utility—from system

setup or from Home windows?

If the possibility is on the market, it’s safer to run a firmware upgrade from the system

setup program because it reduces the danger of another course of interfering with the

replace.

5. If you wish to implement TPM system safety, what different BIOS function ought to

you allow?

A supervisor password to stop the TPM keys from being accessed or cleared.

6. True or false? Processor extensions akin to VT are set by the vendor

relying on the CPU mannequin and can’t be enabled or disabled by the consumer.

Principally false. A function akin to VT is typically disabled on some low-end

fashions, however whether it is accessible as a function of that mannequin, the consumer can select

whether or not it’s enabled or disabled.

7. A consumer’s pc was lately put in with a brand new optical drive. The consumer

now studies a “chassis” error message after the POST sequence. What would possibly

be the trigger?

Intrusion detection is enabled in the BIOS.

Eight. When you find yourself configuring BIOS safety, what’s the distinction between a

supervisor password and a consumer password?

The consumer password permits the boot sequence to proceed, whereas a supervisor

password controls entry to the firmware setup program.

9. What safety system permits system boot to be disabled if the pc is

reported stolen?

LoJack for Laptops (different monitoring software program suites can be found).

5-Four

1. How would you calculate the energy utilized by a element?

Multiply its voltage by the present it attracts (W=V*I).

2. What causes a fuse to blow—extreme voltage or extreme present?

Extra present.

Three. What is the significance of a PSU’s energy output when you find yourself designing a

customized construct PC?

It determines the variety of drives, enlargement playing cards, and peripherals that the

PC can Help (assuming the peripherals don’t have their very own energy

provides).

Four. Can you use a typical ATX12V PSU with a Mini-ITX motherboard?

Sure (assuming it matches in the case you will have chosen).

5. You’ve got an influence provide with an Eight-pin connector on it. What is that this for?

It provides energy to a PCI Specific graphics card.

6. You’re connecting a brand new PSU. The PSU has a sq. Four-pin P4 cable however there

isn’t any sq. Four-pin receptacle on the motherboard. Do you have to go away the

cable disconnected?

No; it would plug into an Eight-pin EPS12V receptacle close to the CPU. You must examine

the motherboard documentation for recommendation about which pins to plug the cable

into.

7. What setting must you examine earlier than putting in a PSU?

That the voltage selector is about to the right voltage (or if there is no such thing as a selector,

that the PSU is appropriate for the voltage utilized by the constructing energy).

Eight. One other technician changed the PSU on a PC. Later the identical day the PC’s proprietor

contacts you to say that the system has been displaying quite a few alerts about

excessive temperature.

What do you suppose is perhaps the trigger?

You would want to open the case to analyze the downside. Maybe when the

upgrade was carried out, considered one of the fan energy connectors was not connected

correctly. If the PSU cabling was not secured with cable ties, it might disrupt air

circulation inside the case, lowering the effectiveness of followers. There might be a fault

with the fan on the new PSU.

5-6

1. What trigger would possibly you believe you studied if a PC experiences intermittent lockups?

Assuming the trigger isn’t latest set up of defective software program or hardware,

then thermal or energy issues are most probably. Unfastened connections or defective

reminiscence or CPU are additionally potentialities.

2. How would possibly you diagnose a thermal downside?

Really feel if the system is scorching to the touch, examine temperature gauges, watch for cyclic

lockup/reboot issues.

Three. What measurement would you anticipate from a multimeter if a fuse is sweet?

Zero ohms.

Four. What would possibly cease a POST from executing?

Defective cabling and connections, poorly-seated chips, defective interfaces and

gadgets, logic errors, defective CPU, motherboard, or PSU.

5-9

1. Which element is prone to be a efficiency bottleneck on a workstation

used to edit digital motion pictures?

The disk subsystem is most probably to trigger the efficiency bottleneck. The recordsdata

might be too massive to be saved utterly in system reminiscence and so should be

streamed from the disk, which can have to be each massive and quick.

2. For what sort of workstation is a CPU with Four or extra cores significantly effectively

suited?

A number of cores profit software program that may make the most of multi-threading.

Examples embody virtualization software program and Speedy Software Growth

(RAD) instruments.

Three. You’re specifying a PC to behave as a house theater. What multimedia outputs

ought to it Help?

Encompass sound audio outputs to the speaker system and HDMI to the TV

display screen.

Four. Which components are most probably to make a PC used for gaming require high-end

cooling?

These PCs use not less than two heavyweight processors: the CPU and GPU. Additionally,

avid gamers are extra seemingly than most different customers to overclock parts to

enhance efficiency. Overclocking requires very efficient thermal

administration options.

5. On a skinny consumer, which element is extra necessary: NIC or HDD?

Skinny purchasers don’t want a lot everlasting storage in any respect—some could make do

with none mass storage. They don’t generate that a lot community visitors

both however that mentioned, the NIC is the extra necessary element right here.

6. Why would possibly high-spec parts (CPU, reminiscence, RAID) not be a good suggestion in

a house theater PC?

These gadgets must function as quietly as doable and utilizing high-spec

parts means warmth, warmth requires cooling, cooling normally means followers, and

followers imply noise.

5-10

1. A consumer wants to have the ability to entry the central worker knowledge repository to

run studies, however doesn’t want entry to any native functions used to

create, edit, and handle the worker knowledge. The worker knowledge is managed

on a server that may be accessed with a log in. What sort of consumer is finest in

this case?

Skinny consumer

Virtualization workstation

Thick consumer

2. June has lately been put in command of making updates to the Human

Useful resource worker advantages web site. She might be publishing a month-to-month

e-newsletter and posting company-wide bulletins, amongst different small

updates and modifications, regularly. All modifications to the web site should be

examined on numerous platforms and net browsers to confirm that the

modifications are right no matter the working system and browser. What

sort of consumer setup would you counsel for her?

Solutions will differ, however will most probably embody a virtualization workstation in order that

she will swap from completely different working programs and check any web site modifications

shortly.

Three. With a purpose to correctly Help the HR worker advantages web site, a brand new server

working consumer VMs has been put in in order that the surroundings that the

software requires might be strictly administered by IT employees. Present PCs will

be used to entry the Shopper VM surroundings that’s configured on the VM

Server. What must be current in any respect PCs that might be accessing this new

server and software?

☐ Appropriately configured VM Shopper.

☐ Quick community connection to server internet hosting the VM surroundings.

☐ Upgrade to video playing cards.

Four. True or False? The HR supervisor’s consumer pc should meet the

really helpful necessities to run Home windows 10 in order that she will entry and

use all of the HR-related functions utilized by the group. On this case,

the finest consumer possibility is a thick consumer.

True

5-11

1. Buyer 1 is utilizing a desktop PC to play house motion pictures and to arrange slide exhibits

to indicate his household their trip images and is having issue with the pc

freezing throughout the motion pictures. He’s trying for an answer that may enable him to retailer

and play his motion pictures seamlessly via a pc. He additionally desires his spouse to be

in a position to entry the photos and flicks from her laptop computer inside the home.

What sort of pc setup would you counsel for this buyer? What

particular questions would possibly you ask this buyer about extra element

wants?

Solutions could differ, however will most probably embody establishing a house server PC for

simple file sharing amongst the family computing gadgets and to offer extra

velocity to play motion pictures from the PC. Chances are you’ll ask if they’re in want of extra

space for storing and if they’re trying for redundancy via a RAID array in

the PC.

2. Buyer 2 is from a small actual property workplace who has lately employed a graphic

designer to provide informational pamphlets and different advertising and marketing supplies for

the company, akin to property drop sheets and round format designs. The workplace

supervisor has requested your organization to find out the hardware and software program

wants for the designer’s workstation in order that it may be ordered and arrange earlier than

their scheduled begin date in two weeks.

What hardware and software program necessities would you counsel for the

graphic designer’s workstation?

Solutions could differ, however will most probably embody a PC with a high-end, multicore

processor, a excessive finish video card, and the most RAM that the motherboard

can deal with. As well as, the motherboard ought to include a number of high-speed

ports for peripherals akin to exterior onerous drives or extra video playing cards. The

functions will most probably embody Adobe’s Inventive Cloud or related graphicdesign

software program.

324 | The Official CompTIA® A+® Core 1 and Core 2 Scholar Information (Exams 220-1001 and 220-1002)

Lesson 5: Putting in, Configuring, and Troubleshooting Inner System Parts | Subject E

LICENSED FOR USE ONLY BY: MICHAEL NGUYEN-IBANEZ ・ 23370021 ・ JAN 27 2022

Three. Buyer Three is trying to make the swap from a standard TV cable field and DVD

participant to a house theater PC, in order that she will stream Netflix and report exhibits and

motion pictures from her TV. She already bought a pc from an area house

leisure retailer however can’t determine why she can’t join the cable TV

wire into the pc.

What would you examine for first?

She must have a TV tuner card put in in the pc. The tuner card

offers the port to attach the cable from the supplier to the pc. You

would additionally need to confirm that the tuner card is appropriately configured, and that every one

machine drivers are put in and up-to-date.

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