Computer Hardware
This CPU feature allows multiple instructions to be processed simultaneously by splitting tasks into threads.
What is hyper-threading?
The default port for HTTP traffic.
What is port 80?
Which laptop component is most likely to fail due to frequent opening and closing?
What is the display hinge or ribbon cable?
Which protocol is used to automatically assign IP addresses to devices on a network?
What is DHCP
A PC powers on but produces no POST beeps. Which component is most likely at fault?
What is the motherboard or CPU?
A technician installs a new GPU, but the system fails to boot. Which BIOS setting should be checked first?
What is the primary display adapter setting?
The default port for secure web traffic using HTTPS
What is port 443?
A technician replaces a laptop keyboard. What must be done before removing the keyboard?
Disconnect the battery and power sources
A technician needs to connect two switches without a crossover cable. Which feature enables this?
What is Auto-MDIX?
A technician suspects a bad hard drive. Which tool can be used to check SMART status?
What is disk management or manufacturer diagnostic tools?
DDR4 RAM runs at what minimum transfer rate (MT/s)?
What is 2133 MT/s?
The default port used by SMTP for sending email
What is port 25?
Which mobile device setting allows remote wiping if the device is lost?
What is MDM (Mobile Device Management) or Find My Device?
Which wireless encryption standard is considered insecure and should never be used?
What is WEP?
A user reports their laptop shuts down randomly. Which hardware issue is most likely?
What is overheating due to dust or failing fans?
A workstation requires hot-swappable storage with redundancy. Which interface and RAID level combination best fits?
What is SATA with RAID 1?
The default port used by RDP (Remote Desktop Protocol).
What is port 3389?
A laptop supports both SATA and NVMe drives. What determines NVMe’s performance advantage?
Direct PCIe bus access with lower latency.
A user reports intermittent connectivity. The technician suspects EMI. Which cable type should be used to mitigate this?
What is shielded twisted pair (STP)?
A technician replaces a power supply, but the system still fails to boot. What’s the next logical step?
Test the motherboard and CPU with known-good components.
ECC memory is typically found in which type of systems, and why?
What are servers, because it detects and corrects memory errors?
Which two ports are commonly used by FTP, and what are their functions?
What are port 20 (data transfer) and port 21 (control/command)?
A user complains their laptop battery drains quickly even when off. Which advanced setting should be checked?
What is Modern Standby or ACPI power states?
Which IPv6 address type is automatically assigned and begins with FE80::?
What is a link-local address?
A user’s PC boots but displays “Operating System Not Found.” What’s the most likely root cause?
Boot order misconfiguration or corrupted boot sector.