Chapter 1

What type(s) of port transmits both digital audio and digital video with a single connector? (Select all that

apply.)

• DisplayPort

• DVI

• HDMI

• VGA

• SPDIF

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.)

• Buy a new laptop because replacing it will be more cost-effective than repairing it.

• You thank them for their business, tell them how much it will cost, and how long it will take.

• You assure the customer it is not the system board because they seldom go bad; you will troubleshoot and fix it.

• Your shop has made a conscious decision not to replace motherboards on laptops.

• It will take a long time because laptop motherboards are not typically in stock.

When is it okay to touch the inside of a computer that is turned on?

• When disassembling the computer

• When using a multimeter to measure voltage output

• When reassembling the computer

• When you are wearing a wrist strap

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?

• Replace the network card

• Ping the loopback address

• Use a loopback plug

• Use a USB to RJ-45 dongle

When handling a motherboard, cards, or drive, which statement is NOT accurate?

• You should not touch chips on the device.

• You should not hold expansion cards by the edges.

• You should not touch any soldered components on a card.

• You should not touch edge connectors.

Alexa is asked to upgrade the memory on a desktop computer. Which component will she replace?

• SO-DIMM

• SSD

• Flash memory

• DIMM

What two different types of firmware may be used on motherboards? (Select two.)

• BIOS

• POST

• UEFI

• CMOS

What are two resources that may be useful in disassembling a laptop computer? (Select two.)

• Service manual

• Part brochures

• User manual

• Diagnostic software

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 DB15 port

• A cable that will plug into the DB9 port

• A cable that will plug into the 6-Pin port

• A cable that will plug into the 25-Pin port

What is the second step in opening the case of a working computer?

• Press and hold down the power button for a moment

• Back up important data

• Power down the system and unplug it

• Open the case cover