39 Questions
Identify the cable connector in the picture. It is threaded and screws into place.
F-type
Of the following fiber connectors, which are used for duplex (two strands instead of one)? (Choose two.)
SC
What twisted pair connectors are commonly used with telephone wire?
RJ-11
Using the T568B wiring standard on both ends of a cable would produce what type of network cable?Using the T568B wiring standard on both ends of a cable would produce what type of network cable?
T568B on both ends is a straight-through network cable.
You’re looking at a connector that has eight wires with colors in the order of green stripe, green, orange stripe, blue, blue stripe, orange, brown stripe, brown. What type of cable do you have?
Twisted pair, T568A standard
You need to install a memory upgrade in a laptop computer. The computer’s documentation says that the laptop uses DDR4 SODIMMs. How many pins will be on the SODIMM?
260
The most common RAM slots used in desktop and laptop computers, respectively, are what?
DIMM and SODIMM
Which laptop expansion port was designed as an industry standard to replace VGA and DVI ports and is backward compatible with both standards?
DisplayPort
You have a MacBook Pro computer with a Thunderbolt 4 port. What is the maximum throughput of a device plugged into this port?
40 Gbps
Which motherboard form factor measures 4.7″ × 4.7″?
Nano-ITX
Which of the following statements are true regarding CPUs and operating systems? (Choose two.)
A 64-bit OS can run only on a 64-bit CPU.
The DC power supply (DCPS) within a laser printer converts AC power into what three voltages? (Choose three.)
+5 VDC
Identify the cable type shown here.
Component
A technician is considering whether to buy a new LCD. Which type of LCD has faster response times than the others?
TN
Which type of storage device is composed of a conventional magnetic hard drive and a substantial amount of solid-state storage?
Hybrid
You need to share printers on your network with multiple client operating systems, such as Windows, macOS, and Linux. Which of the following services will best meet your needs?
TCP printing
Which one of the following connector types are you most likely to find on the end of a Cat 6a cable?
RJ-45
Identify the video connector shown here.
DVI
What type of printer technology will often use a roll of paper as opposed to individual sheets?
Thermal
Which of the following types of printers does not require the replacement of some sort of ink or toner?
Thermal
You are working on repairing a defective laser printer. Which of the following is a true statement regarding the imaging drum in a laser printer?
It can hold a high negative charge only when it’s not exposed to light.
What are the dimensions of a mini-ITX motherboard?
6.7″ × 6.7″
When discussing video displays, what is the term used to describe the number of pixels used to draw the screen?
Resolution
You have three hard disks, each 1 TB in size. After installing them as a RAID-5 array in a computer, how much usable storage space will you have?
2 TB
What hardware device is used to store encryption keys, making them safer because they are never directly loaded into a server’s memory?
HSM
. You need to enable clients to scan documents and place them on network accessible storage regardless of the multifunction device’s location worldwide. Which service will best suit your needs?
Cloud services
What is the most important consideration when installing a network connected multifunction device that is capable of directly scanning and emailing?
Security
What protocol is often used when scanning documents from a large multifunction device and sending them to the corporate server?
SMB
. Identify the computer component shown here.
CPU heat sink and fan
What features are included in modern networked MFDs? (Choose all that apply.)
Which of the following connectors transmit analog signals? (Choose two.)
VGA
Your partner wants to know what this port is on the back of their computer. What will you tell them?
DisplayPort
You have a motherboard that supports up-plugging. Which of the following statements regarding PCIe are true? (Choose two.)
You can put an x1 card into an x8 slot.
A technician needs to increase the fault tolerance of their computer’s storage system, and they have two hard drives available. Which of the following options is their best choice?
Install both drives and implement RAID-1.
During which step of the laser printer imaging process does a fluorescent lamp discharge the photosensitive drum?
Cleaning
What type of front-panel or top-panel connector uses a standard 3.5 mm jack to make connections?
Audio
The motherboard in your desktop computer supports dual-channel memory. Which of the following statements regarding RAM in this motherboard are true? (Choose two.)
The RAM will work if only one module is installed but not in dual-channel mode.
A customer wants you to upgrade their motherboard so that they can have the fastest video connection possible. They want to know how fast PCIe 4 is. What will you tell them the data rate of a single lane of PCIe 4 is?
2 GBps
A technician needs to replace a failed power supply in a desktop computer. When choosing a replacement power supply, which two specifications are most important to consider? (Choose two.)
Wattage
Study Notes
Connectors and Cables
- The pictured cable connector is threaded and screws into place.
- Duplex fiber connectors include SC and LC.
- Twisted pair connectors commonly used with telephone wire include RJ-11 and RJ-45.
RAM and Motherboards
- DDR4 SODIMMs have 260 pins.
- Desktop computers typically use DIMM slots, while laptops use SODIMM slots.
- The most common laptop expansion port is Thunderbolt 3, designed to replace VGA and DVI ports.
Motherboards and CPUs
- The dimensions of a mini-ITX motherboard are 4.7″ × 4.7″.
- CPUs and operating systems: 64-bit CPUs can run 64-bit OS, and 64-bit OS can run 32-bit apps.
Printers and Scanning
- The pictured video connector is a DVI connector.
- Laser printers use a roll of paper, whereas other printers use individual sheets.
- 3D printers do not require replacement of ink or toner.
- In a laser printer, the imaging drum is electrically charged during the charging step.
Storage and Networking
- A hybrid drive combines a conventional hard drive with solid-state storage.
- To share printers on a network with multiple client operating systems, use the Bonjour service.
- A Cat 6a cable typically uses an RJ-45 connector.
- RAID-5 arrays provide 2 TB of usable storage space with three 1 TB hard disks.
Security and Multifunction Devices
- A hardware security module (HSM) stores encryption keys, making them safer.
- To enable clients to scan documents and place them on network-accessible storage, use the FTP service.
- When installing a network-connected multifunction device, the most important consideration is security.
- The TFTP protocol is often used when scanning documents from a large multifunction device and sending them to the corporate server.
- Modern networked MFDs include features such as printing, scanning, faxing, and copying.
Other
- PCIe up-plugging allows a PCIe 4.0 device to work in a PCIe 3.0 slot.
- To increase fault tolerance in a computer's storage system, use RAID 1 or RAID 5.
- A headphone jack is a type of audio connector that uses a standard 3.5 mm jack.
- PCIe 4 has a data rate of 985 MB/s per lane.
- When choosing a replacement power supply, consider the wattage and connectors.
Test your knowledge by identifying the cable connector shown in the picture. It is a threaded connector that screws into place.
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