What is a characteristic of DDR SDRAM?

it transfers data twice per clock cycle compared to once per clock cycle for SDRAM

DDR SDRAM modules have double the number of pins of SDRAM memory modules.

It is dynamic memory whereas SDRAM is static memory.

It operates at double the voltage of SDRAM memory.

A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?

The computer emits a pattern of beeps indicating the failing device.

The computer automatically boots into Safe Mode and displays a warning on the screen.

The screen flashes with a red background and displays a warning message.

The computer returns an error message that indicates the I/O address of the failing device.

What is the purpose of RAID adapters?

to connection multiple storage devices for redundancy or speed

to allow older PCI technology expansion slots to be used

to provide enhanced audio and graphic capabilities

to connect peripheral devices to a PC to improve performance

What is the purpose of a Safety Data Sheet?

to specify procedures for dealing with potentially hazardous materials

to specify procedures in designing and building common computer systems

to specify procedures for the operation of sensitive components and prevention of electrostatic discharge

to specify procedures in the use of humidity control and prevention of moisture damage

What is a recommended procedure to follow when cleaning computer components?

Hold cans of compressed air upright while spraying.

Remove the CPU before cleaning.

Blow compressed air on cooling fans so that they will spin when dust is being removed.

Use window cleaner on LCD screens.

After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)

Establish a new theory of probable causes.

Document each test tried that did not correct the problem.

Randomly replace components one at a time until the problem is solved.

Verify full system functionality.

Test all remaining possible causes starting with the most complex.

What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the United States?

The power supply would explode.

The PC would display an error code.

The PC would emit a series of beeps.

In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)

when a faster delivery mechanism is needed

when applications do not need to guarantee delivery of the data

when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated

when delivery overhead is not an issue

when destination port numbers are dynamic

A student is helping a friend with a home computer that can no longer access the Internet. Upon investigation, the student discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such an IP address?

static IP addressing with incomplete information

interference from surrounding devices

reduced computer power supply output

How can a user prevent specific applications from accessing a Windows computer over a network?

Block specific TCP or UDP ports in Windows Firewall.

Disable automatic IP address assignment.

Change default usernames and passwords.

A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous?

when in an area with poor cellular coverage

in an emergency situation and no minutes are left on the phone

in a store transaction making a payment using the mobile device

Which statement is true about laptops?

Most of the internal components that are designed for laptops cannot be used for desktops.

Laptop motherboards have standard form factors.

Laptops use fewer components than desktops use.

Laptop CPUs do not use cooling devices.

A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)

Inkjet printers are less expensive as an initial purchase than laser printers.

The laser pointer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.

A laser printer is significantly slower than an inkjet printer.

Both laser and inkjet printers produce poor quality images.

Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.

A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?

maintaining communication integrity

How does virtualization help with disaster recovery within a data center?

Hardware does not have to be identical.

Which statement describes a feature of SDRAM?

It can process overlapping instructions in parallel.

It requires constant power to function.

Its connector always has 240 pins.

It is able to support two writes and two reads per CPU clock cycle.

Personal 1-10 061-24

Authored by Anthony Gonzalez

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which situation would an ESD strike potentially cause harm to the PC?

when replacing a mechanical hard drive with a M.2 SSD

when installing an additional display in a workplace cubicle

when using a grounded mat and working on a computer on an ungrounded workbench

when installing a dual-voltage power supply

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A person has started a new technical job. In which situation would ESD be an issue?

when installing a processor

when using a grounded mat and working on a computer on an ungrounded workbench

when installing a dual-voltage power supply

while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

when walking across a carpeted area and then touching a keyboard that is attached to a tower PC

when installing a UPS

while attaching speakers to a surround sound card

when installing a processor

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

while attaching speakers to a surround sound card

when using a grounded mat and working on a computer on an ungrounded workbench

when installing a dual-voltage power supply

when replacing a motherboard

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

when installing RAM

when walking across a carpeted area and then touching a keyboard that is attached to a tower PC

when using a grounded mat and working on a computer on an ungrounded workbench

when installing a dual-voltage power supply

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue?

when installing RAM

when working in a corporate environment that has carpet installed under tower PCs

when using a grounded mat and working on a computer on an ungrounded workbench

when installing a dual-voltage power supply

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What two motherboard components control the system boot operations? (Choose two.)

BIOS chip

UEFI chip

Northbridge chip

Southbridge chip

CPU

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Personal 1-10 061-24

In which situation would an ESD strike potentially cause harm to the PC?

A person has started a new technical job. In which situation would ESD be an issue?

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue?

What two motherboard components control the system boot operations? (Choose two.)

A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?

A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?

Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?

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