Networking
What is the purpose of an IP address?
To uniquely identify a device on a network.
What is the first step to take when a computer is running unusually slow?
Check the Task Manager for high CPU, RAM, or disk usage.
What’s the first thing to check if a printer won’t print?
Ensure the printer is powered on and properly connected to the computer.
Which command is used to check the connection between your computer and a website or IP address?
Ping.
Which command is used to check the disk for errors in Windows?
chkdsk
What can you do if a print job is stuck in the print queue?
Cancel the job from the print queue, restart the print spooler service, or reboot the printer.
What does DHCP stand for, and what is its role in networking?
Dynamic Host Configuration
What is Safe Mode, and when would you use it?
Safe Mode is a diagnostic mode that loads Windows with a minimal set of drivers and services. It is used to troubleshoot issues related to software or drivers.
How do you resolve faded or streaky printouts from a laser printer?
Replace the toner cartridge, check for clogged nozzles, or clean the print head.
What is the difference between a public and private IP address?
Public IP addresses are used to identify devices on the internet, while private IP addresses are used for internal network identification.
How would you resolve a "blue screen of death" error?
Check the error code, update or rollback drivers, check hardware connections, run system diagnostics, or restore the system to a previous point.
What is the difference between a local printer and a network printer?
A local printer is directly connected to a computer, while a network printer is shared over a network and can be accessed by multiple devices.
Name the layers of the OSI Model starting from the physical layer.
Physical, Data Link, Network, Transport, Session, Presentation, Application
Name two common reasons why a Windows update might fail.
Corrupted update files, lack of disk space, network connectivity issues, or incompatible software.
If a printer is printing gibberish or strange symbols, what could be the issue?
A corrupted or incorrect printer driver, or issues with the document encoding.