Networking Know-How
The acronym LAN stands for this type of network.
What is Local Area Network?
This device connects multiple devices in a network and directs traffic.
What is a router?
This is the term for a wireless network’s name.
What is an SSID?
This command tests if a device is reachable on the network.
What is ping?
This technology allows multiple VLANs over a single physical link.
What is trunking?
Cisco Meraki switches and APs are managed from this kind of centralized interface.
What is the cloud?
This device connects computers within a LAN and operates at Layer 2.
What is a switch?
This band is often faster but has a shorter range.
What is 5 GHz?
This tool maps the path packets take to a destination.
What is traceroute?
This translates private IPs to public IPs for internet access.
What is NAT (Network Address Translation)?
This layer of the OSI model is responsible for routing and IP addressing.
What is Layer 3 (Network Layer)?
This type of IP address is assigned by a DHCP server.
What is a dynamic IP address?
These provide centrally managed wireless networks within a specific range of point of installation.
What are access points (APs)?
This conflict occurs when two devices have the same IP.
What is an IP conflict?
This type of firewall inspects packets at Layer 7.
What is a next-gen firewall or application layer firewall?
This networking protocol ensures secure, encrypted communication over the internet.
What is HTTPS or SSL/TLS?
This model describes the seven layers of networking.
What is the OSI Model?
This protocol secures Wi-Fi traffic.
What is WPA2 or WPA3?
This tool shows current TCP/IP configurations on a machine.
What is ipconfig (Windows) or ifconfig (Linux/Mac)?
This system manages and distributes IP addresses dynamically.
What is a DHCP server?
This Cisco solution uses artificial intelligence and machine learning to proactively manage enterprise networks.
What is Cisco DNA Center?
This term describes the delay before a transfer of data begins.
What is latency?
This type of network isolates guest users from the internal network.
What is a guest VLAN or network?
This is the first thing to check if the internet is down.
What is physical connectivity (cables, power)?
This architecture separates the control and data planes in modern networks.
What is SDN (Software-Defined Networking)?