| Explain the purpose of RAID. | Redundant Array of Independent Disks, improves storage reliability. |
| Define a router. | Device that forwards data packets between networks. |
| What is a NIC? | Network Interface Card, enables network connection. |
| Explain the difference between volatile and non-volatile storage. | Volatile: needs power; Non-volatile: retains data. |
| What is a VLAN? | Virtual Local Area Network, groups devices on different networks. |
| Define PaaS. | Platform as a Service, allows development without managing infrastructure. |
| Define a server. | Computer providing data/services to other computers on a network. |
| Define VoIP. | Voice over Internet Protocol, delivers voice communications over IP networks. |
| What is an HDD? | Hard Disk Drive, uses spinning disks for storage. |
| Explain virtualization. | Creating virtual versions of hardware or resources. |
| What is a network switch? | Device connecting multiple devices within a network. |
| Explain IaaS. | Infrastructure as a Service, provides virtualized computing resources. |
| Explain what a modem does. | Converts digital data to analog for transmission. |
| Explain the function of a GPU. | Graphics Processing Unit, handles rendering graphics. |
| What is SaaS? | Software as a Service, provides software over the internet. |
| What is a virtual machine? | Software-based computer running an OS and applications. |
| Define an SSD. | Solid State Drive, uses flash memory for storage. |
| What is a cloud service model? | Model delivering services over the internet, like IaaS, PaaS, SaaS. |
| Explain network topology. | Layout or arrangement of elements in a computer network. |
| Define a CPU. | Central Processing Unit, performs most processing. |
| What is NAS? | Network Attached Storage, provides centralized storage on a network. |
| What is RAM? | Random Access Memory, stores data and code in use. |
| Define a blade server. | Server chassis housing multiple thin servers for efficiency. |
| Define a firewall. | Security device monitoring and controlling network traffic. |
| What is a UPS? | Uninterruptible Power Supply, provides backup power. |
| What is an access point? | Device allowing Wi-Fi devices to connect to a network. |
| What is cloud computing? | Using remote servers on the internet to store and process data. |
| What is a workstation? | High-performance computer for professional use. |
| What is a motherboard? | Main PCB connecting CPU, RAM, and storage devices. |
| What is an IoT device? | Internet of Things device, connects to a network for communication. |