Chp 1 Quiz

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 25-Pin 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 DB15 port

b. A cable that will plug into the DB9 port (9-pin ports are called DB9 or serial ports. Serial ports have been largely replaced by USB ports, but can still be found on routers and other hardware. Most older desktop computers and many older laptops have/had a DB9 serial port.)

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

b. DIMM (DIMM is a dual-inline memory module. It represents the RAM form factor used on desktop computers to store temporary data and instructions being processed by the CPU. Once power is turned off, all information in RAM is lost. If the system is powered off cleanly, the needed information is written to (saved) on the hard drive.)

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. USB c. DB9 d. RJ-11

a. RJ-45 (A RJ-45 connector connects a network cable to a network port.)

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. P1 connector c. Molex connector d. PCIe connector

c. Molex Connector (The Molex connector is a 4-pin connector used for older IDE drives, some newer SATA drives, and extra power to video cards. It can provide +5 V and +12 V power.)

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 (After backing up important data, you should power down the system and unplug it.)

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

a. 6-pin d. 8-pin (Video cards draw a lot of power and newer systems can provide more power than what comes through the PCIe slot. 6-pin configurations are common.) (Video cards draw a lot of power and newer systems can provide more power than what comes through the PCIe slot. 8-pin configurations are common.)

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. Memory modules, hard drives, keyboards, and wireless card b. DIMMs, monitor, keyboard, mouse, and wireless card c. P1 connectors, SATA cables, video card, and a multimeter d. Port replicator, webcam, headphones, network cable

a. Memory modules, hard drives, keyboards, and wireless card (FRUs are field replaceable units. These are internal devices that can be replaced in the field with relative ease if they become defective.)

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. Port Replicator b. USB to RJ-45 dongle c. Expansion card d. Docking station

a. Port Replicator (A port replicator typically connects to a laptop using a single USB port and provides the convenience of connecting external connections such as monitors, USB devices, and network patch cables. The port replicator isn't proprietary, meaning it is designed to work with any laptop with an open USB port)

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

a. UEFI d. BIOS (Basic Input/Output System or BIOS is the older firmware that is responsible for managing essential devices (such as the keyboard, mouse, hard drive, and monitor) before the OS launches, starting the computer, and managing motherboard settings.) (Unified Extensible Firmware Interface or UEFI is the newer firmware that is responsible for managing essential devices (such as the keyboard, mouse, hard drive, and monitor) before the OS launches, starting the computer, and managing motherboard settings.)

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 multimeter b. Replace the power supply c. Use a POST card d. Run diagnostic software once the OS loads

a. Use a multimeter (You can use a multimeter to verify the appropriate voltage level is detected on the connector used to supply power to the drive.)

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

a. User manual d. Service Manual (Since laptop computers are unique to manufacturers and models, a service manual will be useful for disassembly). (User manuals may provide guidance on replacing or removing components without full disassembly of the case.)

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. Compare the system board display connections with a properly functioning laptop. b. Document and label the location of the screws and cables before removing them c. Backup the data immediately in case the problem is related to the hard drive. 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. Document and label the location of the screws and cables before removing them. d. Organize and place all parts and screws and in one place. (While most desktop computers contain only one or two types of screws, a laptop may have a variety of screws and washers in various sizes and lengths. It is imperative that a technician document and label screws and cables before removing them. Inserting a screw that is too long may penetrate a cable or circuit board and cause damage. Inserting a screw that is the wrong size can also strip the threads, causing the correct-sized screw not to tighten properly. Documenting and labeling locations will assist in reassembling the unit.) (After documenting and labeling the location of the parts and screws, the technician needs to organize them and keep them in one place. Doing so will assist in reassembling the unit.)

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. Ask the user to turn on the laptop's airplane mode and attempt to reconnect to the wireless network. d. Instruct the user on how to reseat the internal mini-PCIe wireless adapter and try to connect 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. (Modern laptop computers provide an easy method of toggling the Wi-Fi, GPS, and cellular radios on and off by means of the keyboard function keys. For example, to toggle the Wi-Fi radio on/off, the user may be required to depress and hold the Fn key and then press F5.)

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 technician will need to remove the display assembly and system board. b. The keyboard bezel will need to be removed. c. The keyboard backlight will need to be toggled off by using the appropriate Fn keys. And another paragraph on the answer. d. The keyboard cable will need to be disconnected from the mini-PCIe slot. e. The keyboard cable(s) will need to be disconnected from the ZIF socket(s).

b. The keyboard bezel will need to be removed. e. The keyboard cable(s) will need to be disconnected from the ZIF socket(s). (Typical laptop keyboards are connected to the system board via one or more ribbon cables. The system board end of the ribbon cable utilizes ZIF (zero insertion force) sockets. These cables will need to be disconnected prior to removal of the keyboard.) (The keyboard bezel is a part of the plastic covers of a laptop and is the cover that surrounds the top of the keyboard. For some laptops, the case top covers the keyboard. Regardless of whether the cover is the bezel or the case top, it will need to be removed first in order to remove the keyboard.)

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. Move the laptop to a temperature controlled environment b. Use a can of compressed air to blow out the dust c. Remove the existing CPU and install a new one d. Replace the fan and heat sink assembly on the CPU

b. Use a can of compressed air to blow out the dust (The buildup of dust inside a computer can cause the computer to overheat. Use a can of compressed air to gently blow out the dust inside the computer and air vents)

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 (Thunderbolt 3 can transmit video, audio, data and power on the same port and cable. It can support up to six peripheral devices simultaneously.)

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. OS diagnostic programs b. Multimeter c. POST card d. Power supply tester

c. POST Card (Power On Self Test or POST is a diagnostic program built into a computer to test the hardware components before the computer boots up. A POST card is a specialized card that helps identify and report computer errors and conflicts that occur after you first turn on a computer, but before the operating system launches. Results of the test are displayed as a coded number on the card for reference

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

c. Power Supply d. Monitor (A monitor may have charged capacitors and contain enough power to kill you, so you should never open it unless you have been specifically trained. This is why it is referred to as a "black box.") (The power supply may have charged capacitors and contain enough power to kill you, so you should never open it unless you have been specifically trained. This is why it is referred to as a "black box.")

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? a. You assure the customer it is not the system board because they seldom go bad; you will troubleshoot and fix it. b. You thank them for their business, tell them how much it will cost, and how long it will take. c. Your shop has made a conscious decision not to replace motherboards on laptops. d. Buy a new laptop because replacing it will be more cost-effective than repairing it. e. It will take a long time because laptop motherboards are not typically in stock.

c. Your shop has made a conscious decision not to replace motherboards on laptops. d. Buy a new laptop because replacing it will be more cost-effective than repairing it. (Replacing the motherboard on a laptop can be time-consuming and costly so this is not a recommended course of action.) (Choosing not to replace motherboards on laptops is a reasonable policy to adopt because it is time-consuming and costly.)

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. Disconnect and reseat the keyboard ribbon cable. b. Replace the keyboard with a compatible keyboard. c. Replace the laptop system board and reseat all connections. d. Clean the keyboard keys with a contact cleaner.

d. Clean the keyboard keys with a contact cleaner. (Contact cleaner can be used to clean a keyboard in which liquid has been spilled. Contact cleaners readily evaporate without leaving any residue. If the keys continue to stick, you will need to replace the keyboard.)

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. Ping the loopback address b. Use a USB to RJ-45 dongle c. Replace the network card d. Use a loopback plug

d. Use a loopback plug (A loopback plug can be used to test whether the network port on the laptop is working properly.)

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

d. power supply, drives, motherboard, cards (Since the motherboard and processor are the most expensive components, if possible it is best to install the motherboard just before installing the expansion cards to prevent damage. For example, you would not want to drop a disk drive or power supply on the motherboard while installing those components.)

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 15-pin power connector b. One with an 8-pin power connector c. One with a 24-pin power connector d. One with a 20-pin power connector

c. One with a 24-pin power connector (The 24-pin P1 connector is the main motherboard power connector used today.)

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

a. Has slots for DIMMS b. Has a CPU socket (Motherboards have CPU sockets. CPU sockets hold the processor or CPU.) (Motherboards have DIMMs. DIMM or dual inline memory module slots hold the temporary memory or RAM)

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

c. DIsplay Port d. HDMI (DisplayPort transmits both digital video and audio, but not analog transmissions. DisplayPorts are slowly replacing older ports, such as VGA and DVI ports.) (HDMI or High-Definition Multimedia Interface ports transmit digital video and audio, but not analog transmissions. HDMI connections are commonly found in home theater equipment and as ports on both laptop and desktop computers.)

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

c. PCIe slots are faster than the previous generation and requires more power (PCI Express (PCIe) slots are faster than PCI and require additional power. The 24-pin or 20+4-pin P1 connector provide +12 volts, +5 volts, and +3.3 volts of output.)

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 touch any soldered components on a card. c. You should not touch edge connectors. d. You should not hold expansion cards by the edges.

d. You should not hold expansion cards by the edges. (Holding expansion cards by the edges is the correct method of handling.)

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 power down the system and unplug it. c. You should remove the power supply. d. You should ground yourself.

You should back up any important data. (Always back up important data before working with a computer. If you have a problem, you may not be able to recover the data.)

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

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. (The 6-pin and 8-pin PCIe connectors provide auxiliary power to high-end video cards using PCI Express.) (The 4-pin 12 V and 8-pin 12 V connectors are auxiliary system board connectors used to provide an extra 12 V of output to the processor)

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

c. When using a multimeter to measure voltage output. (Using a multimeter to measure voltage output is the only exception to touching the inside of a computer that is turned on. Even then, you should be very careful to avoid shock.)