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

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

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

What is the purpose of RAID adapters?

to connect multiple storage devices for redundancy or speed

to allow older PCI technology expansion slots to be used

to connect peripheral devices to a PC to improve performance

to provide enhanced audio and graphic capabilities

What is the purpose of a Safety Data Sheet?

to specify procedures for dealing with potentially hazardous materials

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

to specify procedures in designing and building common computer systems

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

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

Hold cans of compressed air upright while spraying.

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

Use window cleaner on LCD screens.

Remove the CPU before cleaning.

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 PC would emit a series of beeps.

The PC would display an error code.

The power supply would explode.

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

when applications do not need to guarantee delivery of the data

when a faster delivery mechanism is needed

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?

interference from surrounding devices

static IP addressing with incomplete information

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.

The motherboard capacities are distended, swollen, emitting residue, or bulging.

Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required

connect the auxiliary power cable for the adapter card

The user can hear the fans spinning but the PC will not start and there are no beeps from the speaker

Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required

connect the auxiliary power cable for the adapter card

After upgrading the single-core CPU to a dual-core CPU, only one CPU graph is seen in the task manager

Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required

Connect the auxiliary power cable for the adapter card

The computer does not display any video after installing a new PCIe video card

Connect the auxiliary power cable for the adapter card

Check fo faulting cable, damaged or mis-seated CPU to other motherboard components prior to replacing the motherboard if required

Step One in the six stages of the troubleshooting process:

establish a theory of probable cause

test the theory to determine the cause

Establish a plan of action to resolve the problem and implement the solution

Step Two: in the six stages of the troubleshooting process:

Establish a theory of probable cause

Test the theory to determine the cause

Verify full functionality and if applicable, implement preventive measures

Document the finding, actions, and outcomes

Step Three in the six stages of the troubleshooting process:

Test the theory to determine the cause

Establish a plan of action to resolve the problem and implement the solution

Establish a theory of probable cause

Verify full functionality and if applicable, implement preventive measures

Step Four in the six stages of the troubleshooting process:

Establish a plan of action to resolve the problem and implement solutions

Test the theory to determine the cause

Verify full functionality and if applicable, implement preventive measures

Document findings, actions, and outcomes

Step Five in the six stages of the troubleshooting process:

Verify full functionality and if applicable, implement preventive measures

Establish a plan of action to resolve the problem and implement solutions

Document findings, actions, and outcomes

Test the theory to determine the cause

Step Six in the six stages of the troubleshooting process:

Document the findings, actions, and outcomes

Test the theory to determine the cause

Verify full functionality and if applicable, implement preventive measures

Establish a plan of action to solve the problem and implement the solution

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 a store transaction making a payment using the mobile device

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

Which statement is true about laptops?

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

Laptop CPUs do not use cooling devices.

Laptops use fewer components than desktops use.

Laptop CPUs do not use cooling devices.

IT Essentials 7.0 Final Exam (Chapters 1-9)

Quiz

•

Computers

•

University

•

Practice Problem

•

Medium

Nour A.

Used 649+ times

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About this resource

This comprehensive IT Essentials quiz covers fundamental computer hardware, networking, and troubleshooting concepts essential for technical support professionals. The content spans nine chapters of material including computer assembly, motherboard components, memory technologies, storage systems, networking protocols, virtualization, mobile devices, and printer maintenance. Students need solid understanding of hardware component identification, proper installation procedures, safety protocols including ESD prevention, BIOS/UEFI configuration, networking fundamentals including TCP/IP and IPv6 addressing, troubleshooting methodologies, and peripheral device support. The quiz requires students to apply technical knowledge to real-world scenarios, demonstrate understanding of component compatibility, and follow systematic problem-solving approaches. This material is appropriate for grade 13 level students in post-secondary technical programs or advanced high school computer technology courses. Created by Nour A., a Computers teacher in the US who teaches grade 13. This quiz serves as a comprehensive final examination covering the foundational concepts that prepare students for entry-level IT support roles and industry certifications. Teachers can use this assessment for summative evaluation of student mastery across multiple technical domains, as a review tool before certification exams, or as a diagnostic instrument to identify areas requiring additional instruction. The quiz effectively supports formative assessment through its diverse question types that test both theoretical knowledge and practical application skills. The content aligns with CompTIA IT Fundamentals and A+ certification objectives, addressing standards such as hardware installation and configuration, networking concepts, mobile device support, and operational procedures that are essential for technical support professionals.

RAM module

hard disk

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IT Essentials 7.0 Final Exam (Chapters 1-9)

127 questions

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?

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 customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?

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?

What is a characteristic of DDR SDRAM?

What are two safety hazards when dealing with laser printers? (Choose two.)

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