Unit Exam 1 107
Your manager wants you to build a custom computer for a dedicated application. Which of the following is NOT a factor that needs to be considered?
What operating system will be installed on it?
Sometimes an expansion board may have an extra PCIe power connector. This connector comes in what two different pin configurations?
- 8-pin - 6-pin
When is it okay to touch the inside of a computer that is turned on?
When using a multimeter to measure voltage output
What two different types of firmware may be used on motherboards?
-BIOS -UEFI
Which of the following two settings can be configured via the BIOS/UEFI setup screen?
-Change the boot sequence -Enable Virtualization
Under which three of the following conditions would you be inclined to flash (update) the BIOS/UEFI?
-Errors are displayed when you are trying to install a new OS -You want to incorporate new features on the motherboard -When you want to upgrade the central processing unit
What type(s) of port transmits both digital audio and digital video with a single connector? Select all that apply.
-HDMI -Display Port
Which statements are true regarding motherboards? (Select two)
-Has a CPU socket -Has slots for DIMM
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.)
-Organize and place all parts and screws and in one place. Document and label the location of the screws and cables before removing them.
Which two statements are true about 4-pin 12 V, 8-pin 12 V, 6-pin PCIe, and 8-pin PCIe connectors?
-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 video cards.
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.)
-The keyboard bezel will need to be removed. -The keyboard cable(s) will need to be disconnected from the ZIF socket(s).
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?
-Your shop has made a conscious decision not to replace motherboards on laptops -Buy a new laptop because replacing it will be more cost effective than repairing it
What is the maximum throughput speed of PCI Express Version 6.0 using 16 lanes?
126 GB/sec
Which statement best describe when you would need to use a Thunderbolt 3 port as opposed to a DisplayPort or an HDMI port?
When you need to transmit video, audio, data and power on the same port and cable.
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 cable that will plug into the 25 pin port
At what point during the motherboard installation should you install the motherboard drivers?
After Windows successfully boots without errors
Oliver is replacing a processor that fits into an LGA1700 socket. The motherboard into which the processor is being installed must be compatible with what generation of processor and chipset?
Alder Lake
Which statement is NOT true regarding Alder Lake chipsets?
Alder Lake processors can have up to 8 cores
You install a virtual machine app such as VMware or Virtual Box. However, when you try to create a virtual machine, they system issues a message implying that virtualization is not supported. How/where could you potentially fix the problem?
BIOS/UEFI
You are troubleshooting a computer system and want to review some of the motherboard configuration settings. Where is most of this data stored?
CMOS RAM
A student uses a flash drive to store assignments/homework. The student plugs in the flash drive, reboots the computer, and it displays a message indicating the operating system is not found. What are two possible ways of fixing the problem relatively quickly?
Change the boot sequence via the BIOS/UEFI screen Remove the USB flash drive and reboot the computer
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?
Clean the keyboard keys with contact cleaner.
Ana buys a computer from a surplus sale event at a local university. When she boots it up, it asks for a password even before the operating system loads. How can she overcome this problem?
Configure jumpers to clear the BIOS/UEFI settings.
What is the very first step that should be taken when performing work with a computer?
You should back up any important data
When handling a motherboard, cards, or drive, which statement is NOT accurate?
You should not hold expansion cards by the edges.
Alexa is asked to upgrade the memory on a desktop computer. Which component will she replace?
DIMM
Brandon purchased a new processor online for an upgrade. When he purchased the processor, he made sure that it used the same socket his computer's motherboard used. But he did not check to see whether the motherboard chipset was compatible. What will happen if you install a processor on a motherboard that can fit the socket but is the wrong chipset?
Damage to both the processor and the motherboard
What type of socket ensures that even force is applied when a processor is being installed in the socket?
ZIF, or zero insertion force socket, ensures that even force is applied when the processor is being installed in the socket. This is a feature on modern motherboards for both Intel and AMD processors.
The security team in a mid-sized company wants to test drive encryption using an HSM. What are three possible ways of accomplishing this?
Enable HSM (Hardware security Module) in the TPM Using an expansion card
Kai needs to compile information on the motherboard brand and model for a few computers running important applications. He does not have the motherboard manuals. How can he obtain the information with relative ease?
Enter the msinfo32.exe command in Windows
You are installing a 1.5 TB hard drive in a computer. What two methods could you use to partition the hard drive?
GUID Partition Table Master Boot Record (MBR)
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?
Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network.
You need to fix a system that sometimes hangs during the boot process. In addition, it also hangs at random times after booting successfully. What could be a possible remedy?
Install new CMOS RAM
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?
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?
Molex Connector
What two devices in a computer should be considered "black boxes," and should never be opened due to risks involving charged capacitors?
Monitor Power Supply
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?
One with a 24-pin connector
You are asked to install a new high-end graphics card. In which motherboard slot should you install it?
PCI Express 5.0 x16
The original P1 connector had 20 pins, why did the development of PCIe induce the adoption of a 24-pin P1 connector?
PCIe slots are faster than the previous generation and requires more power
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.
POST card
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?
Port Replicator
What is the second step in opening the case of a working computer?
Power down the system and unplug it
You decide you want to overclock the processors on your system. What is the first step in the process?
Press a key or combination of keys during POST to access the BIOS/UEFI setup program
When you build a computer from parts, you usually start by deciding on which two components?
Processor motherboard
What is the set of rules and standards that any two entities use for communication?
Protocol
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?
RJ-45
Motherboards may contain which three of the following ports on the I/O panel?
RJ-45 LAN Port USB Ports HDMI, DVI, and/or DisplayPort
What are two resources that may be useful in disassembling a laptop computer?
Service Manual User Manual
What two different power-on passwords can be set to lock down a computer from unauthorized access?
Supervisor Password User Password
What must your motherboard have to use BitLocker Encryption in Windows 8/10/11 which will ensure that your hard drive cannot be used in another computer?
TPM Chip
Which two statements are true regarding conventional PCI and PCI Express (PCIe) slots?
The PCI bus transports 32 data bits in parallel. The PCIe slots are slightly taller than PCI slots.
You install Windows on a new SSD that fits in an M.2 socket in a modern high-end motherboard. After installing the OS, the system will not boot as expected. What could be the problem?
The boot sequence needs to be changed to boot from the SSD.
What has occurred if you see the message, "Chassis Intruded! System has halted." the next time you start your computer?
The case has been opened
Jose is about to upgrade the processor in a computer. What should he do first?
Update the firmware on the motherboard if needed
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?
Use a can of compressed air to blow out the dust
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? Replace the power supply Run diagnostic software once the OS loads Use a multimeter Use a POST card
Use a multimeter
A company is researching motherboards for a small / compact low-end system they are designing to be used in a home theater system. Which motherboard form factor is the company most likely to use?
mITX
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?
memory cards, hard drives, keyboards, and wireless cards
A technician is building a custom gaming computer for a customer. In what order should the technician install the main components?
power supply, drives, motherboards, cards
