Key Networking Terminology: A concise and accessible guide

Network Terminology

This article introduces networking terms in a concise and accessible way. The network includes a range of terms, some of which are everyday concepts and others are more technical. The aim is to help both professionals and the general public become familiar with the basic vocabulary of networking.

The glossary is presented in alphabetical order to help you locate terms from A to Z. All terms are in English, and learning their English equivalents is useful.

99 Network Terminologies

1. 2G second generation of mobile networks
2. 3G third generation of mobile networks
3. 4G fourth generation of mobile networks
4. Address used to view the IP addresses assigned to each interface
5. Address Resolution Protocol (ARP) entries are recorded in the ARP table by MAC address
6. ADSL internet over telephone lines
7. Authentication Type standard for encrypting wireless communications
8. Backup backup file obtained by the network support team
9. Bandwidth the capacity to send and receive data per unit time
10. Bandwidth Test test of bandwidth from source to destination
11. Bidirectional Forwarding Detection (BFD) protocol that detects link failures between neighbor routers
12. Border Gateway Protocol (BGP) exterior routing protocol enabling communication between autonomous systems
13. Bridge operates with a MAC-based forwarding table and resides in OSI layer 2
14. BTest Server authorization for ping and bandwidth testing
15. Cloud cloud storage space
16. Destination IP Address destination IP
17. DHCP Client receives IP from the DHCP server
18. DHCP Server assigns IPs to clients
19. Domain Name domain name or site name
20. Domain Name System (DNS) translates domain names to IP addresses readable by humans
21. Dynamic Host Configuration Protocol (DHCP) automatically assigns IP addresses to devices connected to the router
22. Dynamic IP Address dynamic or variable IP address
23. Ethernet interface for network cable connection
24. Firewall software or hardware to block/allow traffic
25. Firmware Upgrade software version update
26. Gateway a device that connects two networks
27. Hostname a name assigned to an IP
28. HotSpot wireless internet broadcasting for users
29. HTTP protocol for transferring data between server and client
30. IP address used to access devices on the network or internet
31. ISP internet service provider
32. IP Scan discovers interfaces using ICMP
33. IP TUNNEL tunneling for external protocols not available on the local network
34. IPsec protocol to create a tunnel between two points

IPv4 IP version 4 with limited address space

IPv6 IP version 6 with larger address space and alphanumeric characters

Local Area Network (LAN) local network within a home or office

Localhost name referring to the loopback IP

NAT allows sharing a single IP address among multiple devices

OSPF interior gateway protocol for routing information within the same system

Packet the smallest unit of data transferred between devices

Ping essential network tool to test connectivity

Router device that routes traffic between networks

Switch device connecting multiple devices in a local network

WAN wide area network spanning large geographic areas

VLAN virtual LAN creating multiple networks over a single physical link

VRRP protocol for virtual router redundancy

URL web address

For evaluating the stability and security of this infrastructure, also refer to the network support guide.

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