1 - Taking a Computer Apart and Putting it Back Together

A technician is building a custom gaming computer for a customer. In what order should the technician install the main components? a. power supply, drives, motherboard, cards b. drives, motherboard, cards, power supply c. motherboard, cards, power supply, drives d. mother board, power supply, drives, and cards

a. power supply, drives, motherboard, cards

Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations? a. 4-pin b. 6-pin c. 8-pin d. 8+1-pin

b, c

Which two statements are true about 4-pin 12 V, 8-pin 12 V, 6-pin PCIe, and 8-pin PCIe connectors? Select two. a. The 6-pin and 8-pin PCIe connectors do not provide 12 volts of output. b. The 4-pin 12 V and 8-pin 12 V connectors provide auxiliary power to video cards. c. The 6-pin and 8-pin PCIe connectors provide auxiliary power to video cards. d. The 4-pin 12 V and 8-pin 12 V connectors provide auxiliary power to the CPU. e. The 6-pin and 8-pin PCIe connectors provide auxiliary power to the CPU.

c, d

Alexa is asked to upgrade the memory on a desktop computer. Which component will she replace? a. SO-DIMM b. SSD c. Flash memory d. DIMM

d. DIMM

What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged capacitors? a. Monitor b. Power supply c. Hard drive d. Video card

a, b

Which statements are true regarding motherboards? (Select two) a. Has a CPU socket b. Has slots for DIMMs c. Has a heat sink on the PCIe slots d. Also called a daughter card e. Has eSATA ports for internal SSDs

a, b

The original P1 connector had 20 pins, why did the development of PCIe induce the adoption of a 24-pin P1 connector? a. PCIe slots are faster than the previous generation and requires more power b. The four new PCIe slots each require one extra pin on the P1 connector c. To provide an additional 12 volts to the PCIe slots required by graphics cards d. ATX specification 1.1 supports PCIe and calls for additional power requirements

a. PCIe slots are faster than the previous generation and requires more power

A network technician is on a service call at a remote residential location. He forgot to take some Ethernet cables and needs to make one. What type of connector will he need on both ends of the cable? a. RJ-45 b. RJ-11 c. DB9 d. USB

a. RJ-45

What is the very first step that should be taken when performing work with a computer? a. You should back up any important data. b. You should ground yourself. c. You should remove the power supply. d. You should power down the system and unplug it.

a. You should back up any important data.

Orlando's company is upgrading their networking equipment and gave him an older enterprise grade router. He wants to configure it using an old computer he found in his garage. What type of serial cable will most likely fit his old computer? a. A cable that will plug into the DB15 port b. A cable that will plug into the DB9 port c. A cable that will plug into the 6-Pin port d. A cable that will plug into the 25-Pin port

b. A cable that will plug into the DB9 port

When is it okay to touch the inside of a computer that is turned on? a. When disassembling the computer b. When using a multimeter to measure voltage output c. When reassembling the computer d. When you are wearing a wrist strap

b. When using a multimeter to measure voltage output

Which statement best describe when you would need to use a Thunderbolt 3 port as opposed to a DisplayPort or an HDMI port? a. When you need to transmit a digital and analog video signal on the same port and cable b. When you need to transmit video, audio, data, and power on the same port and cable c. When the system is missing a DVI and/or VGA port to transmit video and audio signals d. When you do not have a DVI to VGA adapter to convert digital signals to an analog format

b. When you need to transmit video, audio, data, and power on the same port and cable

When handling a motherboard, cards, or drive, which statement is NOT accurate? a. You should not touch chips on the device. b. You should not hold expansion cards by the edges. c. You should not touch any soldered components on a card. d. You should not touch edge connectors.

b. You should not hold expansion cards by the edges.

You are troubleshooting a laptop with multiple sticking keys that result in misspelled words while the user types. Other than several sticking keys, the laptop appears to be functioning properly. You have cleaned the keyboard with compressed air, but the problem persists. After removing one of the key tops, it becomes apparent that a liquid was spilled into the keyboard. Which of the following is the next step in resolving the issue of sticking keys? a. Replace the keyboard with a compatible keyboard. b. Disconnect and reseat the keyboard ribbon cable. c. Clean the keyboard keys with a contact cleaner. d. Replace the laptop system board and reseat all connections.

c. Clean the keyboard keys with a contact cleaner.

A few users need to connect an external monitor, external keyboard and mouse, and to a wired network cable to their laptop while visiting a remote office. The laptops are not from the same manufacturer. Which of the following devices will allow the users to connect their laptops to the external devices? a. USB to RJ-45 dongle b. Expansion card c. Port replicator d. Docking station

c. Port replicator

What is the second step in opening the case of a working computer? a. Press and hold down the power button for a moment b. Back up important data c. Power down the system and unplug it d. Open the case cover

c. Power down the system and unplug it

You suspect your computer is overheating because your system sometimes restarts or turns off by itself. At other times the 32 inch monitor turns blue, and the system remains unresponsive until you manually restart it. What relatively quick measure can you take to try to fix the problem? a. Remove the existing CPU and install a new one b. Replace the fan and heat sink assembly on the CPU c. Use a can of compressed air to blow out the dust d. Move the laptop to a temperature controlled environment

c. Use a can of compressed air to blow out the dust

An employee informs the help desk the laptop they are using cannot update the login credentials when they plug it in to the company's wired network. Wireless connectivity is fine, but the login credentials cannot be updated using Wi-Fi. What is a possible action the help desk could take to troubleshoot the problem? a. Replace the network card b. Ping the loopback address c. Use a loopback plug d. Use a USB to RJ-45 dongle

c. Use a loopback plug

What connector has 4 pins, is used for older IDE drives and some SATA drives, and can provide +5 V and +12 V power outputs? a. SATA connector b. PCIe connector c. P1 connector d. Molex connector

d. Molex connector

What are two resources that may be useful in disassembling a laptop computer? a. Service manual b. Part brochures c. User manual d. Diagnostic software

a, c

What two different types of firmware may be used on motherboards? a. BIOS b. POST c. UEFI d. CMOS

a, c

What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched. a. POST card b. OS diagnostic programs c. Power supply tester d. Multimeter

a. POST card

A technician has determined that a laptop keyboard will need to be removed in order to replace the laptop's CPU cooling fan. Which of the following steps will most likely be required before the technician can remove the keyboard from the laptop? (Select two.) a. The keyboard backlight will need to be toggled off by using the appropriate Fn keys. And another paragraph on the answer. b. The keyboard cable(s) will need to be disconnected from the ZIF socket(s). c. The keyboard cable will need to be disconnected from the mini-PCIe slot. d. The keyboard bezel will need to be removed. e. The technician will need to remove the display assembly and system board.

b, d

A technician needs to service a laptop computer that is experiencing an intermittent problem with the display. Which of the following will be most effective at helping the technician complete the work in a timely and efficient manner? (Select two.) a. Backup the data immediately in case the problem is related to the hard drive. b. Document and label the location of the screws and cables before removing them. c. Compare the system board display connections with a properly functioning laptop. d. Organize and place all parts and screws and in one place. e. Charge the laptop battery pack so it is ready to return to the customer with a full charge.

b, d

A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to her wireless network. You personally checked to verify that the wireless worked properly before the user left your office. The user states she rebooted the computer several times but the problem still persists. Which of the following is the first step you should take to assist the user in resolving this issue? a. Inform the user she will need to return the laptop so you can replace the internal Wi-Fi card and verify wireless functionality. b. Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network. c. Instruct the user on how to reseat the internal mini-PCIe wireless adapter and try to connect to the wireless network. d. Ask the user to turn on the laptop's airplane mode and attempt to reconnect to the wireless network.

b. Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network.

You are helping a friend build a computer with a modern motherboard that is compatible with the ATX form factor. What type of power supply should you use? a. One with a 20-pin power connector b. One with a 24-pin power connector c. One with an 8-pin power connector d. One with a 15-pin power connector

b. One with a 24-pin power connector

Your company sells hundreds of large storage disk arrays every year that can be configured locally using a dedicated laptop. You travel between many customer sites providing maintenance and support to these laptops. It is your responsibility to ensure you have the necessary FRUs as you travel from site to site. At the very least, what type of FRUs will you keep on-hand? a. DIMMs, monitor, keyboard, mouse, and wireless card b. Port replicator, webcam, headphones, network cable c. P1 connectors, SATA cables, video card, and a multimeter d. Memory modules, hard drives, keyboards, and wireless card

d. Memory modules, hard drives, keyboards, and wireless card

You replace an internal drive that is only used to backup data on a computer. Before you install the case cover, you power on the computer and observe the disk drive lights are not blinking. You suspect it may not be receiving power, but cannot find the power supply tester. How can you quickly verify whether power is being supplied to the disk drive? a. Use a POST card b. Replace the power supply c. Run diagnostic software once the OS loads d. Use a multimeter

d. Use a multimeter

What type(s) of port transmits both digital audio and digital video with a single connector? Select all that apply. a. DisplayPort b. DVI c. HDMI d. VGA e. SPDIF

a, c

Maria has a laptop with a motherboard that is beyond repair. She comes to your computer repair shop and requests that you replace the motherboard. What are two of the most likely responses you will give her? Select two. a. Buy a new laptop because replacing it will be more cost-effective than repairing it. b. You thank them for their business, tell them how much it will cost, and how long it will take. c. You assure the customer it is not the system board because they seldom go bad; you will troubleshoot and fix it. d. Your shop has made a conscious decision not to replace motherboards on laptops. e. It will take a long time because laptop motherboards are not typically in stock.

a, d