What is a search box in Windows 10? - Answers A feature on the taskbar that allows users to quickly
search for files, applications, and settings on the computer or the web
What processors support 64-bit applications? - Answers Processors with 64-bit architecture, such as
Intel Core i-series, AMD Ryzen, or Apple M1/M2 chips
Troubleshooting a laser printer - Answers paper jams: remove stuck paper
toner issues: replace toner cartridge if low
connectivity: make sure printer is properly connected to the network or PC
error codes: refer to the manual for specific error solutions
Advantages of Power supply that provides more wattage than needed - Answers room for hardware
upgrades
cooler operation because it's not working at full capacity
longer lifespan of the PSU
Causes for Blurry LCD monitor and solutions - Answers Incorrect resolution: set to native resolution
Faulty cable: replace or secure connection
Outdated drivers: update display drivers
Dirty screen: clean with a soft, lint-free cloth
Motherboard - Answers A circuit board that contains all of the computer system's main components.
Random Access Memory (RAM) - Answers Temporary memory a computer uses to store information
while it is processing.
Processor - Answers The component of a computer that follows instructions
What hardware causes performance impact? - Answers cpu: insufficient processing power
ram: low memory capacity or speed
storage: slow HHD vs. faster SSD
gpu: outdated graphics card for rendering tasks
System Partition - Answers contains boot loader files
MBR partition - Answers master boot record; organizes partition information
Boot partition - Answers contains the OS files necessary for booting
Dealing with a difficult client - Answers stay calm: maintain professionalism
listen actively: understand their concerns fully
empathy: show you care about resolving their issues
action plan: clearly explain the steps to address their concerns
Node vs Host - Answers node: any device connected to a network
host: a node that provides services to other devices, like a web server
Symptoms: Lights and fans on, but no beeps and no video problem - Answers faulty cpu or
motherboard
incorrectly seated RAM
GPU failure
check the PSU for proper power deliver
I cannot find a Windows Boot Manager error - Answers missing operating system
invalid partition table
error loading operating system
Method to partition a drive: GPT, MBR - Answers GPT (GUID partition table): supports large drives
over 2TB, modern systems
MBR (master boot record): older systems, limited to 2TB partitions
RAID 0 - Answers a storage setup that stripes data across multiple drives for speed but offers no
redundancy
DNS records - Answers a DNS request for the SRV records matching the domain that it's been bound
to
DMARC - Answers (Domain Message Authentication Reporting and Conformance), specifies how
email should be authenticated
SPF - Answers (Sender Policy Framework), authorizes email servers to send emails on behalf of a
domain
DKIM - Answers domain keys identified mail, verifies the sender's domain using cryptographic
signatures
, MAC address - Answers unique hardware address assigned to a network adapter to identify it on a
network
Physical address - Answers aka network adapter address, hard coded on the card by its manufacturer
IP address - Answers is assigned to a node when the device first connects to the network, and
identifies the network connection
Requirements for power supply/How to choose one - Answers To know what size of power supply
you need, add up the wattage requirements of all components, and then add 30%.ATX or microATX
form factor. The form factor of a power supply determines the dimensions of the power supply and
the placement of screw holes and slots used to anchor the power supply to the case.A power supply
has a wattage rating for total output maximum load (for example, 500 W, 850 W, or 1000 W)164
Windows 10 utility that allows a user to create a backup schedule - Answers backup and restore
(windows 7): found in the control panel, allows users to set regular backup schedules
DHCP server - Answers a computer or other device that provides an IP address from a pool of
addresses to a client computer that requests an address
What is ECC? - Answers Error-Correcting Code memory, detects and corrects memory errors to
ensure data integrity, used in servers
Requirements to connect two buildings that are very far apart - Answers remote wireless bridge
Malware and interference with calls - Answers
How to limit access to some sites? Proxy Server? - Answers configure a proxy server to filter and
block access to specific sites by URL or content type
What is a Wi-Fi analyzer - Answers software that can find wifi networks, determine signal strengths,
help optimize wifi signal setting, and help identify wifi security threats; you can use it to find out
which wifi channels are being used before you pick your channels
What is a Wi-Fi analyzer? - Answers A tool used to assess Wi-Fi networks, helping to identify issues
such as signal strength and interference.
What is address reservation? - Answers the act of a DHCP server assigning a static IP address to a
DHCP client; ex. a network printer might require a static IP address so that computers on the network
can find the printer
What is a VPN? - Answers A Virtual Private Network that encrypts your internet connection for a
secure, private access to online resources
boot process interruption? - Answers when the system is in the process of booting, you can press the
space bar on your keyboard to interrupt
DDR3 - Answers memory that is faster and uses less power than DDR2; can support quad, triple, or
dual channels or function as single DIMMs
DDR4 - Answers memory that is faster and uses less power than DDR3; can support quad or dual
channels or function as single DIMMs
What is RFID? - Answers radio frequency identification; a technology that uses radio waves to identify
and track objects with embedded tags; track & id keys, clothings, animals, and inventory
What is NFC? - Answers near-field communication; a short-range wireless communication technology
used for contactless payments and data exchange
What is a Network and Sharing Center? - Answers a windows tool that provides options to view
network connections, troubleshoot issues, and manage sharing settings
What are the Defrag and Optimization tools? - Answers windows utilities that reorganize fragmented
data on a hard drive and optimize it for better performance
Hardware drivers - Answers software that allows the operating system to communicate with
hardware devices such as printers and graphics cards
Wattage and power supply topics - Answers power supplies are rated in watts.
HHD vs SSD cost - Answers ____ are cheaper per GB but slower
____ are more expensive but offer faster performance and durability
What is iCloud? - Answers the service from Apple that securely stores your photos, files, notes,
passwords, and other data
why replace the hub with a switch? - Answers switches are more efficient, directing data to specific
devices instead of broadcasting to all devices like hubs
What does the NAT (network address translation) router do? - Answers translates private IP
addresses to public IP address for internet access
What is UEFI? - Answers unified extensible firmware interface, a more advanced interface between
hardware and the operating system, which maintains support for legacy BIOS services