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WorksheetsModule 134
Total questions: 20
Worksheet time: 20mins
Every time a user attempts to save a file, the computer shows an error that reads, "Cannot read from the source disk." What kind of issue does this indicate?
Power issue
Driver issue
RAID failure
POST issue
What distinguishes single-mode fiber (SMF) from multi-mode fiber (MMF) in terms of usage?
SMF is better suited for long distances and high speeds, whereas MMF is ideal for shorter distances in LANs.
SMF uses lower-cost LEDs, while MMF uses high-power lasers.
SMF and MMF perform identically, with only minor cost differences.
SMF has a larger core than MMF, allowing for more light to pass through.
What is a key advantage of ARM-based processors in mobile devices compared to x86/x64 processors?
They integrate fewer components, reducing the motherboard size.
They execute complex tasks more quickly due to the CISC architecture.
They require fewer software modifications for compatibility.
They offer higher performance-per-watt, improving battery life.
Why is it important to document the location and orientation of screws and connectors during laptop disassembly?
To avoid damaging the laptop's internal components during disassembly
To prevent static electricity from damaging sensitive components
To simplify the reassembly process and ensure all parts are correctly reinstalled
Correct Answer:
To ensure the laptop's warranty remains valid
A clicking noise in your computer has now evolved into a grinding noise. In addition, you are beginning to see frequent error messages while running software, and your computer occasionally freezes. What is the MOST likely cause of these issues?
A failing hard drive
A failing video card
A failing RAM card
A failing internal fan
For security reasons, an organization needs to ensure that its information is isolated and managed only by its employees. What cloud model should this organization adopt?
Community
Public
Hybrid
Private
You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following devices MOST likely use a microUSB connector?
Network hubs and modems
Smartphone
Scanners
Printers
Your system administrator shared a USB laser printer connected to your Windows 11 system, so other users on the network could send jobs to it. A network user has sent a large job to the printer, but the print job has stalled. You try to delete the print job but can't. Which of the following BEST describes the reason you cannot delete the print job?
You do not have the Manage documents permission.
You do not have the Manage network printers permission.
You do not have the Manage this printer permission.
You do not have the Print permission.
What does "pixel density" in a display refer to?
The brightness of the screen
The number of pixels per inch (PPI) on a screen
The number of colors a display can show
The refresh rate of the display
When troubleshooting a computer problem, what is the purpose of "Questioning the Obvious"?
To skip basic checks and move directly to complex diagnostics.
To identify and eliminate non-causes systematically.
To escalate the issue to senior technical staff immediately.
To focus only on software-related issues.
What is the maximum one-way latency that VoIP can support without significantly impacting call quality?
500 milliseconds (ms)
150 milliseconds (ms)
50 milliseconds (ms)
300 milliseconds (ms)
Inkjet printers spray microscopic dots of ink with precise, controlled movement. Which of the following components carries the printhead back and forth during a print job?
Carriage assembly
Duplexing assembly
Stepper motor
Rubber rollers
A user reports that the projector in the conference room has display issues when it is connected to his laptop. After identifying the cause and completely resolving the issue, the projector displays the images perfectly both on his laptop and on the projector. Which of the following troubleshooting strategies should you perform next?
Identify the problem.
Test the solution.
Document the solution.
Establish what has changed.
Which of the following statements correctly describes the primary function of database servers?
Database servers are primarily used to facilitate file sharing and printing services across a network.
Database servers are designed to provide secure email communication and manage email storage for users.
Database servers are mainly used to store, organize, and manage large amounts of structured and unstructured data.
Database servers primarily serve as a platform for hosting web applications and static web pages.
A network technician gathers requirements to implement virtualization of multiple guest VMs that will need to communicate. Which of the following resource requirements will the technician need to employ? (Select three.)
A virtual network environment
Low storage requirements
Virtualization support enabled on the CPU
Memory above what the OS requires
You have an existing computer running Windows 11. You want to configure a RAID 1 array in the computer. You install two new SATA drives and then use the RAID controller integrated in the motherboard to define a RAID 1 array using both drives. When you boot the computer, Windows does not show the logical RAID drive. What should you do?
In the BIOS, change the SATA disk mode to AHCI.
Set the jumpers on the drives to use SATA I mode.
In the BIOS, change the SATA disk mode to RAID.
Install the driver for the RAID controller.
A user reports that their smartphone connects to the office Wi-Fi network but cannot access the internet. Other devices on the same network are working fine. Upon further inspection, you find that the smartphone has a valid IP address assigned by the network. What is the MOST likely cause of the issue?
The office Wi-Fi network is using MAC address filtering.
The office Wi-Fi network is overloaded with too many connected devices.
The smartphone's DNS settings are misconfigured
The smartphone's Wi-Fi antenna is damaged.
You are configuring a small office/home office (SOHO) network. You notice that devices on your local network can communicate with each other but cannot access the internet. Upon investigation, you find that the router's IPv4 forwarding feature is disabled. What action should you take to resolve the issue and enable internet connectivity for the devices on your network?
Assign static IP addresses to all devices on the network.
Enable IPv4 forwarding on the router.
Enable NAT (Network Address Translation) on the router
Configure a new subnet mask for the local network.
What is the primary purpose of a rack-mounted patch panel?
To manage and organize Ethernet cables
To convert analog signals to digital signals
To provide active data connections
To route data between network segments
A homeowner's connection to the internet is through an always-on modem that connects to existing telephone wiring and has the same upload and download speeds. The homeowner is able to make analog phone calls over the same wiring at the same time. Which of the following internet connection types are they using?
Dial-up
ISDN
Cable
SDSL
ADSL
