ITSP136 week 1

Assuming all other processor specifications are the same, which of the following processor sizes will consume the least amount of power?

32 nm

You are a high school student learning about computers and how to build them. As a class project, you have built a new computer. You power on your computer and begin to configure the system. After a short while, you notice smoke coming from the PC, and shortly after that, the computer stops working. After removing the computer case, you see that the CPU and surrounding areas are burnt and very hot. You realize that the costly mistake you made was not using a heat sink. When rebuilding your computer, which of the following cooling systems would MOST efficiently remove heat from the CPU?

Active heat sink, thermal paste, liquid pipes, and fan

Brian is a new employee on the development team. As part of his job, he runs three virtual machines (VMs) on his computer. Each VM runs a different Windows license. After a while, Brian notices that his VMs are not running as fast as he thought. He has asked you to explore the issue. Which of the following BEST describes why Brian's VMs are running slowly?

Brian's computer has a single-core CPU configured to use hyper-threading

You have just installed a new USB card reader in your Windows computer. Every time you perform a certain action using the card reader, you get an error message that you've never seen before. Which of the following actions should you perform FIRST?

Check the manufacturer's website for information about the error.

How many pins are on a VGA connector?

D-shaped with 15 pins

Which memory rating identifies the fastest memory?

DDR3-2000

Which of the following are terms used to identify memory modules?

DIMM

A user reports that he can't send print jobs to a specific printer. You are able to reproduce the problem on the user's computer. Which of the following actions should you perform NEXT?

Determine whether anything has changed.

A user sends a print job to a network printer, and it prints page after page of random characters. He calls the help desk, and a technician discovers that the wrong printer driver had been loaded on the user's workstation. The technician loads the correct driver, verifies that the system works correctly, and documents the resolution. Which of the following actions should the technician perform NEXT?

Educate the user as to how the problem was resolved and verify that they are satisfied with the results.

Consider the connectors highlighted on the motherboard diagram below. Select the USB connectors. (Select ONE).

Explanation USB connectors (middle-left): used to connect external USB devices

Consider the connectors highlighted on the motherboard diagram below. Select the CPU socket and CPU power connector. (Select TWO).

Explanation CPU power (top-right connector): provides additional DC power to the processor itself. CPU socket (larger square connector, left of the CPU power connector): provides an interface for connecting the CPU to the motherboard.

Which of the following BEST describes the chipset?

Facilitates communication between the processor, memory, and peripheral devices

Which function does a motherboard's chipset perform?

Facilitates communication between the processor, memory, and peripheral devices.

You need to replace the power supply in your home desktop computer. As you choose the replacement power supply, which of the following specifications are the MOST likely to affect your choice? (Select THREE).

Form factor Processor connector Output wattage

When using Intel chips, which of the following features BEST allows a single processor to run two threads in parallel instead of processing single threads linearly?

Hyper-threading

Which of the following objects is installed between the back side of the system case and the motherboard's ports?

I/O shield

You are responsible for managing client workstations for your company. A frantic user calls you one morning exclaiming, "Nothing is working!"

Identify the problem.

You have a computer with a dual-core 64-bit processor that uses the x86-x64 instruction set. You want to install the 32-bit application on the computer. Which of the following BEST describes the action you should perform?

Install the application normally

Which of the following is a benefit of good documentation?

It saves time and money in troubleshooting problems.

An employee submitted a support ticket stating that her computer will not turn on. Which of the following troubleshooting steps should you take first? (Select TWO).

Make sure the power cord is plugged into the wall. Make sure the surge protector is turned on.

Which of the following motherboard form factors BEST allows for low-consumption power supplies?

Mini-ITX

Which of the following refers to placing two processors on a single processor chip or die?

Multi-core

Which of the following is a characteristic of a multi-processor system?

Multiple processor sockets on the motherboard

Which of the following form factors does not have expansion slots on the motherboard, but instead uses a riser card for expansion cards?

NLX

You would like to upgrade the processor in your system to a 64-bit processor. Which of the components will you most likely need to upgrade as well to take full advantage of the new processor?

Operating system

Printer

Output

You need to replace the power supply in your home desktop computer. Which of the following specifications are the most likely to affect your power supply choice? (Select THREE).

Output wattage Form factor Type and number of connectors

Which expansion slot is best for high-end dedicated video cards?

PCIe x16

You are connecting an older dot matrix printer to a computer. The printer's cable is a D-shaped connector with 25 pins. Which port type does the printer connect to?

Parallel port

Which of the following connectors are part of the system case and connect to header pins on the motherboard? (Select two.)

Power switch HDD LED activity

CPU

Processing

RAM

Processing

You have a computer system with a dual-core processor. You would like to upgrade to a quad-core processor, but you don't want to replace the motherboard. Which of the following steps SHOULD you perform first?

Read the motherboard documentation to identify which processors are supported

You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the yellow wire is +10.1 volts. What should you do?

Replace the power supply.

After arriving at work, you turn on your computer to begin your day. Instantly, you see smoke and smell a strange odor coming from the computer. Which of the following would be the MOST important action to take?

Shut off the system immediately.

You are looking at a female TRS connector on the computer. Which device uses this connector?

Speaker

You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible?

Standardization

You are in the process of installing a motherboard in a system case. Which of the following objects should you place between the motherboard and the system case?

Standoffs

A user reports that he is unable to access data on an external hard drive. You investigate the problem and determine that the USB cable connection to the hard drive is damaged. You replace the cable. Which of the following actions should you take NEXT?

Test the solution.

A user reports that her monitor has stopped working. While troubleshooting the issue, you discover a bad video card in the system. You replace the card and connect the monitor cable to the card. Which of the following actions should you perform NEXT in your troubleshooting strategy?

Test the solution.

You have just finished replacing the motherboard in your friend Ethan's computer with the same type of motherboard it originally had. You tested the motherboard by powering it on and verifying that the operating system started, and his applications were working. Now Ethan is complaining that his computer no longer recognizes his external hard drive. Which of the following is MOST likely causing the external hard drive not to function

The USB front panel connector was not properly connected

You are in the process of purchasing several new computers to replace broken or outdated computers. After much research, you have determined to purchase computers that use AMD sockets. Which of the following BEST describes an AMD and why you would select this option? (Select TWO).

Typically, an AMD uses a Pin Grid Array (PGA) socket type. Typically, AMD chips are less expensive.

Which connector on the back of a computer is used to attach a mouse to a modern PC system?

USB

You work as the IT administrator for a small corporate network. One of the company employees needs to add an additional PCI card to the motherboard in a small form factor case. When you open the computer, you see that the card purchased will not fit due to the card's height. Which of the following is the BEST method for using the newly purchased card?

Use a riser card to allow the new card to be installed parallel to the motherboard.

Microphone

input

speakers

output

You are trying to troubleshoot a desktop power supply issue using a voltmeter. Which of the following options are the MOST common voltages produced by the power supply? (Select TWO).

+/- 12 v +/- 5 v

What is the approximate bus speed of DDR2 memory rated at PC2-5300?

333 MHz

Which of the following BEST describes the theoretical capacity of a DDR4 standard system memory module?

512 GB

You have a laptop with a dual-core processor that has the following characteristics: 1024 KB L2 cache 125 Watts 45nm process size You want to upgrade the processor to one that uses less power. Which of the following characteristics would MOST likely identify a processor that uses less power?

90 Watts

Which of the following BEST describes the purpose of a CPU socket?

A CPU socket is a single connector between a microprocessor and the motherboard.

A computer's power supply converts mains AC to low-voltage regulated DC power for the internal components of a computer. You are building a new computer. You are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply?

A dual-rail power supply provides separate rails (PCB traces) used to balance the power load between multiple circuits, which prevents any one circuit from becoming overloaded.

Consider the memory modules shown in the image below. Drag the label on the left and drop it on the letter on the right that best identifies the associated memory module form.

A) DDR DIMM B) DDR3 DIMM C) DDR4 DIMM D) DDR2 DIMM E) 200-pin SODIMM F) 144-pin SODIMM G) UniDIMM

Consider the external ports for a typical PC system (pictured below). Drag the port type on the left to the letter on the right that best identifies it. (Each type can be used once.)

A) HDMI B) Thunderbolt C) IEEE 1394 D) USB E) VGA F) DVI G) RJ45 H) RJ11 I) Fiber S/PDIF J) Audio Jack

Consider the cable connectors used by various peripheral devices (pictured below). Drag the letter on the left to the peripheral device on the right that would most likely use the connector type.

A) HDTV B) Headphones C) Video Camera D) Analog Monitor E) Digital Monitor F) Network adapter G) External storage device H) Dial-up modem

Use the above diagram to match the case type labels on the left with their corresponding cases, identified by letters on the right.

A) Mini-ITX tower B) Micro-ATX Slim Tower C) Micro-ATX Tower D) ATX Mid-Tower E) ATX full-tower

Consider the following diagram of a typical motherboard. Drag the label on the left to the letter on the right that best identifies the associated connector.

A) PCI B) PCIe x16 C) PCIe x1 D) Case fan power E) CPU power F) CPU G) Memory H) Power supply I) SATA J) Front/top panel K) USB L) IEEE 1394

You need to purchase a case that meets the following criteria: Compatible with most form factors At least two external and internal bays Good balance of size and space Which case type should you purchase?

ATX mid-tower

As an IT technician for your company, you have been notified that the Windows domain does not seem to be functioning properly. Being familiar with domains, you are fairly confident you know what the issue is. But just to be safe, you take the applicable time to gather additional information and to identify what, if anything, has changed. Which of the following is the BEST next step?

Create a hypothesis

You are the manager in charge of maintaining desktop computers. A user reports that she can't turn her computer on. After some investigation, you find that the power supply is malfunctioning. Which of the following actions should you perform NEXT?

Create and action plan

You are providing telephone support for a user who is trying to connect a computer to a projector. You know that the projector only has a VGA port. How would you describe the connector that the user should look for?

D-Shaped with 15 pins

Your motherboard has sockets for 184-pin DIMM RAM. Which type of RAM should you install?

DDR

Assuming the same operating frequency, what are the advantages of DDR3 over DDR2? (Select TWO.)

DDR3 uses less power than DDR2. DDR3 doubles the data transfer rate of DDR2.

Which of the following memory ratings identifies the fastest memory?

DDR3-1600

Assuming the same operating frequency, what advantages does DDR4 have over DDR3? (Select TWO.)

DDR4 uses less power than DDR3. DDR4 doubles the data transfer rate of DDR3.

You are helping a customer over the phone. The customer needs to connect a monitor that uses a digital interface. Which port should you instruct her to look for on the back of her PC?

DVI

The manager of the research and development team needs to make a PowerPoint presentation for her team members (no audio). Her presentation requires her computer to be connected to a large high-definition television. You have been asked to ensure that the computer is connected and functioning properly prior to her presentation. In the process of setting up the computer, you find that the computer video port (see image 1) is different from the port found on the TV (see image 2). Which of the following adapters MUST you use to connect the computer to the TV?

DVI to HDMI

You are a first line desktop support technician. A user reports that he cannot access several network files. After some investigation, you determine that the problem is with a network server. Which of the following actions should be performed NEXT?

Determine if escalation is needed.

You have purchased a new LED monitor for your computer. On the back of the monitor, you see the following port (pictured below). Which type of cable should you use to connect the monitor to your computer?

DisplayPort Cable

Which of the following BEST describes a key feature of the DisplayPort interface used for connecting video monitors to computers?

DisplayPort can send both video and audio signals over the same cable.

A user reports that the projector in the conference room has display issues when it is connected to his laptop. After identifying the cause and completely resolving the issue, the projector displays the images perfectly both on his laptop and on the projector. Which of the following troubleshooting strategies should be performed NEXT?

Document the solution.

As an IT technician for your company, you are in the process of setting up several servers in your network. During the process, one of the servers is misconfigured and is, therefore, having trouble synchronizing information with the other servers. Which of the following is the BEST next step?

Gather information.

The CEO of your small company has asked you to connect his laptop computer to the small conference room LED TV. The CEO will be showing a new promotional video that demonstrates the new company strategy through images and sound. Which of the following cable types would work BEST for connecting his laptop to the display?

HDMI

While you are answering help desk calls, a field customer calls and complains that he cannot print to a workgroup laser printer. Which of the following should be the first question you ask?

Have you ever printed to that printer?

keyboard

Input

Your company relocated you from the United States to their United Kingdom office in London. You brought your personal computer with you and are in the process of setting it up. Your computer was previously configured to receive 115 VAC, but the electricity in London uses 230 VAC. Which of the following would allow your computer to run on 230 VAC?

Inspect the power supply unit for a manual voltage switch and move it to 230 VAC otherwise no action is necessary.

You have just received an order of various system components from an order you placed several weeks ago. One of the components is labeled as SODIMM memory. For which of the following was this memory MOST likely purchased?

Laptop computers

Hard disk

Long-Term Storage

DVD-RW

Long-term storage

Which of the following is an advantage of purchasing a motherboard with integrated graphics and audio?

Lower overall system cost

Match each of the motherboard components on the left with the appropriate description on the right. Each component is used once. Maintains an accurate system time and date, even when the power is off.

Match each of the motherboard components on the left with the appropriate description on the right. Each component is used once. Maintains an accurate system time and date, even when the power is off. correct answer: CMOS battery Allows additional features and capabilities to be added to the motherboard. correct answer: Expansion slots Houses the PCI bus controllers and communicates with the super I/O controller. correct answer: Southbridge Contains firmware that is used to configure motherboard settings and initialize devices. correct answer: Flash memory Controls communication between the CPU, memory, and high-speed graphics bus. correct answer: Northbridge Stores custom configuration settings made by the user. correct answer: Non-volatile BIOS memory

A customer needs to use several applications. Currently, the computer cannot keep all the necessary applications open at the same time. Which of the following components should you consider upgrading?

Memory

You want to build a computer with a smaller case that is designed to be placed on desktops in a flat or upright position. Which case type should you select?

Micro-ATX slim tower

You decided to upgrade your PC with a faster processor. To do this, you ordered a new motherboard over the Internet that supports the processor you want to use. When it arrives, you discover that the motherboard uses the Micro-ATX form factor. Your current case is an ATX mid-tower with a standard ATX motherboard inside. What steps must be taken for the Micro-ATX motherboard to work in the ATX case?

No additional steps are necessary, the Micro-ATX motherboard can be installed in the ATX case.

You are testing the power supply in a PC system by measuring the voltage available on the 4-pin Molex connector. The voltage on the red wire is +5.1 volts. What should you do?

Nothing. The power supply is working normally.

Consider the expansion and memory slots highlighted on the motherboard diagram below. Select the PCI, PCIe x16, and PCIe x1 slots. (Select FOUR).

PCI slot (top-left, colored white): used to connect PCI expansion boards. PCIe x16 slots (right of the PCI slot, colored blue): used to connect PCIe x16 expansion boards. PCIe x1 slot (right of the PCIe x16 slots, colored white): used to connect PCIe x1 expansion boards

An employee has sustained damage to the tendons and ligaments in his wrist and forearm due to the pronation caused by typing on his straight keyboard. His doctor has recommended that he use an ergonomic keyboard to allow his body to heal. After purchasing the new ergonomic keyboard, you find that this employee's computer only has a round, purple keyboard port (see image 1), which does not match the new keyboard's connector type (see image 2). Which of the following adapters MUST you use to connect the new keyboard to the old legacy computer port?

PS/2-to-USB

A user reports that her system is running slow when saving files. You determine that you will need to upgrade her hard disk. You identify the components that are required and schedule the repair for later that afternoon. Which of the following steps have you forgotten in your troubleshooting process?

Preform a backup

You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you try to start the computer, it beeps regularly, and nothing is displayed on the screen. Which of the following actions would MOST likely rectify this issue? (Select TWO).

Reinstall the old processor in the motherboard. Flash the UEFI firmware

Your computer has one single core processor installed. The motherboard supports processors with up to four cores. You want to upgrade your computer to a quad-core system. Which of the following will be part of your configuration?

Replace the existing processor.

A user calls to complain that her computer is behaving erratically. Some days it functions correctly, and other days, it crashes frequently. Sometimes, the system won't boot at all. You open the system case and notice the following: Two of the mounting screws are missing from the system hard disk drive. The system uses memory modules from several different manufacturers with mismatched capacities. Several capacitors on the motherboard are bulging and have a brown liquid oozing from them. The chassis fan on the front of the case is oriented to blow air into the system. What should you do?

Replace the motherboard.

You are servicing a client's computer that has been randomly restarting. You decide to test the power supply using a multimeter. You connect the positive lead to the yellow wire on one of the Molex connectors. Which of the following BEST describes the action you should take based on the multimeter reading shown below? (Picture shows 10.24 on the multimeter)

Replace the power supply because it is failing.

You work at a computer repair store. You just upgraded the processor (CPU) in a customer's computer. The computer starts, but it shuts down shortly after starting Windows. Which of the following is MOST likely causing the computer to automatically shut down?

The fan has no power

When you try to boot your computer, it hangs after POST. When you access the UEFI setup program, you see that the date is several years behind, and the time is set to 12:01 a.m. Which of the following is the MOST likely cause of this behavior?

The motherboard battery has failed.

Which of the following statements are true regarding power supply wattage? (Select TWO).

The watt rating indicates how much power can be supplied to various devices. The wattage requirement for each individual circuit uses formula W = V x A.

You have been using the same computer for several years. To extend its service life, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor supported by the motherboard. However, when you start the computer, it beeps regularly, nothing is displayed on the screen, and it doesn't start. While troubleshooting this computer, which of the following would be BEST to try first?

Update the UEFI firmware.

Your motherboard has two memory slots and supports a maximum of 8 GB of RAM. You are using a 32-bit version of Windows. After installing two 4 GB modules and booting your system, you find that Windows only recognizes 3.5 GB of RAM. Which of the following would MOST likely fix this issue?

Upgrade to a 64-bit version of Windows.

You have a desktop computer that uses a 250-watt power supply. You recently added a four-disk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely rectify this issue?

Upgrade to a power supply that provides more watts

You are building a new computer from both new and used parts. The video card is a PCIe video card that requires an 8-pin power connector. However, your power supply doesn't have an 8-pin PCIe power connector. Which solution would be the least expensive option for your system?

Use an adapter cable to connect two 4-pin Molex connectors to the 8-pin PCIe connector.

You have a desktop computer that you want to upgrade. You add several internal components and external components. You realize that you need to ensure that your power supply can support all of the new devices. Which of the following power supply ratings BEST describes the rating used to determine this?

Watt rating