Network Types & Scopes
What is a local area network (LAN)?
Definition: A network limited to one location, like a school or office.
Test Focus: High-speed internal network using Ethernet or Wi-Fi.
What is an Ethernet cable?
Definition: Standard wired connection for computers and routers.
Test Focus: Cat 5e, Cat 6, and Cat 6a define speed and distance limits.
What is a router?
Definition: Connects different networks together.
Test Focus: Directs traffic between LAN and WAN connections.
What is an IP address?
Definition: A number that identifies each device on a network.
Test Focus: IPv4 uses four octets (e.g., 192.168.1.10).
What is a network diagram?
Definition: Visual map of connections between devices.
Test Focus: Used for documentation and troubleshooting.
What is a wide area network (WAN)?
Definition: Connects multiple LANs across cities or countries.
Test Focus: The Internet is the largest WAN
What is an RJ-45 connector?
Definition: Plug at the end of Ethernet cables.
Test Focus: 8-pin connector for twisted-pair Ethernet.
What is a network switch?
Definition: Connects multiple devices within one LAN.
Test Focus: Sends data only to the correct destination device.
What is a subnet mask?
Definition: Defines which part of the IP address is the network portion.
Test Focus: Used to divide large networks into smaller groups.
What is a troubleshooting ticket?
Definition: Record of a technical issue and its resolution.
Test Focus: Part of standard operating procedures.
What is a personal area network (PAN)?
Definition: Small network around one person’s devices.
Test Focus: Bluetooth and mobile hotspots are PAN examples.
What is a fiber optic cable?
Definition: Sends data using light instead of electricity.
Test Focus: Long-distance, high-bandwidth, no interference.
What is a modem?
Definition: Converts digital computer signals into analog for Internet use.
Test Focus: Connects a home network to an ISP.
What is the Domain Name System (DNS)?
Definition: Translates website names into IP addresses.
Test Focus: Resolves hostnames to IP addresses for browsing.
What is a communication log in IT support?
Definition: Notes shared between teammates to track progress.
Test Focus: Ensures handoffs and shift changes are clear.
What is a metropolitan area network (MAN)?
Definition: Connects networks across a city or campus.
Test Focus: Used by ISPs or municipalities for regional coverage.
What is a coaxial cable?
Definition: Thick cable used for Internet or TV service.
Test Focus: Has a copper core and shielding to reduce noise.
What is a wireless access point (AP)?
Definition: Creates or extends a wireless network.
Test Focus: Bridges wired and wireless connections.
What is DHCP used for in a network?
Definition: Automatically assigns IP addresses to devices.
Test Focus: Reduces manual network configuration errors.
What is active listening in technical communication?
Definition: Paying attention and repeating key points to confirm understanding.
Test Focus: Improves accuracy and customer trust during support.
What is a network gateway?
Definition: The device that connects a local network to the Internet.
Test Focus: Usually your router’s IP address.
What is a crimper tool used for in network cabling?
Definition: Presses connectors onto cables.
Test Focus: Required to make or repair custom Ethernet cables.
What is a firewall used for in networking?
Definition: Hardware or software that filters network traffic.
Test Focus: Blocks or allows data based on security rules.
What is a default gateway address?
Definition: The IP address used to exit your local network.
Test Focus: Often your router’s address.
What is documentation in network management?
Definition: Writing down steps, configurations, and fixes.
Test Focus: Essential for team consistency and future reference.