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WorksheetsQ3 ICT Periodical Test Ricarte
Total questions: 52
Worksheet time: 26mins
A computer fails to power on, and there are no LED lights or fan movement. What should be the first step in diagnosing the PSU?
Check if the power cable is properly connected and test with another outlet
Remove all peripherals and try again
Replace the motherboard
Test the PSU with a multimeter
A computer randomly shuts down even though it has sufficient cooling. What PSU-related issue could cause this problem?
Overvoltage protection is turned off
The hard drive is full
The motherboard is faulty
The PSU is delivering insufficient power
After replacing a PSU, a technician finds that the system still does not boot, but the PSU fan is spinning. What should be checked next?
The CPU temperature
The graphics card driver
The motherboard connections and power button wiring
The operating system
Which of the following tools is commonly used to test a PSU's voltage output?
Multimeter
Oscilloscope
Screwdriver
Thermal scanner
When using a paperclip test to check a PSU, what indicates that the PSU is functional?
The computer turns on
The motherboard beeps
The PSU fan starts spinning
The RAM LEDs light up
A computer shows signs of power fluctuation, such as random restarts and component failure. What should a technician consider before replacing the PSU?
Whether the BIOS firmware is compatible with the hardware
Whether the monitor displays a stable image
Whether the power supply cables are properly connected
Whether the power supply wattage meets the system's requirements
A technician is troubleshooting a PSU that appears dead but still receives power. What should be the next logical step?
Check the PSU using a multimeter or power supply tester
Disassemble the PSU and repair internal circuits
Format the hard drive
Replace the CPU
A PSU has been tested and delivers unstable voltage outputs. What is the best course of action?
Adjust the voltage manually in BIOS
Continue using it, as fluctuations are normal
Ignore it if the computer is still running
Replace the PSU immediately to prevent damage to other components
What is the purpose of creating a bootable USB drive?
To improve system performance
To install or repair an operating system
To run software faster
To store backup files
Which of the following software tools is commonly used to create a bootable USB drive?
Excel
Photoshop
Rufus
VLC Media Player
What should be done before making a USB drive bootable?
Change the BIOS battery
Format the USB drive
Install an antivirus program
Remove all partitions
Why is it important to check the BIOS settings before using a bootable USB?
To ensure the system prioritizes the correct boot device
To prevent data corruption
To speed up the installation process
To verify the internet connection
What could be the issue if a computer does not detect a bootable USB drive?
The display driver is outdated
The system lacks RAM
The USB drive is full
The USB port is faulty or disabled in BIOS
What is the first step in installing an operating system?
Adjust the screen resolution
Delete all files on the hard drive
Insert a USB drive or DVD with the OS installer
Install a new graphics card
Why is it important to install drivers after an OS installation?
To enhance security
To ensure hardware components function properly
To improve battery life
To increase hard drive capacity
What should be done if a newly installed OS does not detect the network adapter?
Check and install the correct drivers
Reinstall the OS immediately
Restart the computer
Unplug all USB devices
A user installed an OS but is experiencing display issues. What is the likely cause?
A disconnected keyboard
Corrupt system files
Insufficient storage space
Missing or incorrect graphics drivers
What is the best way to ensure all necessary drivers are installed after a fresh OS installation?
Ignore driver updates
Install random drivers from the internet
Use a third-party optimization tool
Use the manufacturer's website to download the latest drivers
A company has multiple branches in different cities and wants to connect them under one secure network. What type of network is most suitable?
LAN
MAN
PAN
WAN
A technician is troubleshooting a network where one device is down, and all other devices are affected. What topology is likely being used?
Bus
Mesh
Ring
Star
A business wants to provide wireless internet for customers in a coffee shop. What network device should they install?
Hub
Modem
Router
Switch
An office network is experiencing frequent slowdowns due to high data traffic. What device can be added to improve network performance by managing data flow?
Hub
Firewall
Repeater
Switch
A school needs a network that connects computers in different buildings but within the same campus. Which type of network should be implemented?
LAN
MAN
PAN
WAN
What is the primary difference between a hub and a switch in networking?
A hub filters data, while a switch does not
A hub sends data to all devices, while a switch sends data to a specific device
A switch connects only two devices, while a hub connects multiple devices
A switch is slower than a hub
Which network topology provides the most redundancy and reliability?
Bus
Mesh
Ring
Star
What device is essential for connecting a home network to the internet?
Network Interface Card
Repeater
Router
Switch
What type of network covers a small geographical area, such as a single building or office?
LAN
MAN
VPN
WAN
In a bus topology, what happens if the main cable fails?
All devices connected to the network fail
Only one device is affected
The network continues operating normally
The network switches to a backup connection
Which network device is responsible for forwarding data packets between different networks?
Hub
Repeater
Router
Switch
A small business wants to secure its network from external threats. Which device should be installed to filter incoming and outgoing network traffic?
Firewall
Hub
Modem
Repeater
Why is a star topology preferred over a bus topology in modern networks?
It is more cost-effective for large-scale networks
It allows for easier cable management and expansion
A single device failure does not bring down the entire network
It eliminates the need for a dedicated backbone cable
A university wants to create a secure private network for remote access by staff and students. What network technology should they implement?
LAN
MAN
VPN
WAN
In large-scale enterprise networks, why are managed switches preferred over unmanaged switches?
Managed switches allow administrators to configure network traffic and enhance security
Managed switches are more expensive but have the same functionality as unmanaged switches
Managed switches have fewer ports
Unmanaged switches are faster
A newly installed LAN cable is not transmitting data. What is the first troubleshooting step?
Check the color-coding and crimping of the connectors
Install a new operating system
Replace the entire network card
Restart the computer
A technician tests a LAN cable and finds that only four out of eight wires are conducting signals. What is the likely issue?
The cable is too long
The IP address configuration is incorrect
The network switch is faulty
The RJ45 connector is loosely crimped or miswired
A user complains of intermittent network disconnections while using a LAN cable. What could be the possible reason?
The cable is not properly shielded or has internal damage
The computer has too many open applications
The internet service provider is down
The user is running low on storage space
A technician needs to extend an existing Ethernet cable. What is the best method?
Strip the ends and manually twist the wires
Tape two cables together
Use a USB-to-Ethernet adapter
Use an Ethernet coupler to join two cables
When crimping a LAN cable, why is it important to push all eight wires fully into the RJ45 connector before crimping?
To allow flexibility in wiring order
To increase the cable's length
To make the cable look neat
To prevent data loss and ensure proper electrical contact
What is the correct color order for a T568A Ethernet cable?
White-Blue, Blue, White-Green, Green, White-Orange, Orange, White-Brown, Brown
White-Green, Green, White-Blue, Orange, White-Orange, Blue, White-Brown, Brown
White-Green, Green, White-Orange, Blue, White-Blue, Orange, White-Brown, Brown
White-Orange, Orange, White-Green, Blue, White-Blue, Green, White-Brown, Brown
What is the main function of the twisted pairs inside a LAN cable?
To enhance cable durability and flexibility
To ensure a secure and stable connection during installation
To increase the overall strength of the cable
To reduce electromagnetic interference and signal loss
Which tool is essential for properly attaching RJ45 connectors to LAN cables?
Crimping tool
Screwdriver
Soldering iron
Voltage tester
Which tool is essential for properly attaching RJ45 connectors to LAN cables?
crimping tool
screwdriver
soldering iron
voltage tester
When testing a LAN cable, what does a blinking green light on a network switch port typically indicate?
A stable connection with active data transfer
A missing or improperly connected cable
A hardware malfunction causing network issues
The A software or firmware update in progress
What is the maximum recommended length for a Cat5e Ethernet cable before signal degradation occurs?
50 meters
100 meters
150 meters
200 meters
Why is it important to follow the T568A or T568B standard when creating LAN cables?
To ensure compatibility with network devices
To increase internet speed
To make the cable easier to crimp
To match the colors of the room decor
A network administrator prefers using Cat6 cables over Cat5e. What could be the reason for this preference?
Cat6 cables offer a more affordable networking solution
Cat6 cables provide better flexibility for installations
Cat6 cables use a different type of network connector
Cat6 cables support faster speeds with reduced interference
What could be the impact of using a damaged or low-quality LAN cable in a high-speed network?
Improved network performance and stronger Wi-Fi signals
Increased available bandwidth for faster internet speeds
Reduced energy usage and lower power consumption
Slower data transfer and increased packet loss
Why should LAN cables be neatly arranged and not bent sharply?
To increase the cable’s lifespan
To make them look organized
To prevent signal loss and cable damage
To reduce weight on the server rack
A company is setting up a network for a large office with multiple floors. What type of LAN cabling would be most suitable for high-speed and long-distance connectivity?
Cat5e cables
Coaxial cables
Telephone cables
Fiber optic cables
A technician is installing a LAN cable in a high-interference environment with many electrical devices. What type of cable should be used to minimize interference?
Coaxial cable
Flat cable
Unshielded Twisted Pair (UTP)
Shielded Twisted Pair (STP)
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