Networking Concepts and Protocols

Front

Netstat

Back

A command-line network utility tool that displays network connections for the TCP (both incoming and outgoing), routing tables, and a number of network interface and network protocol statistics.

Front

OSI Model

Back

Open Systems Interconnection model (OSI Model) is a conceptual framework that characterizes the communication functions of a computing system using seven layers.

Front

OSPF

Back

Open Shortest Path First (OSPF) is a routing protocol for IP networks using a LSR algorithm, operating within a single AS.

Front

P2P Wireless

Back

Point-to-Point (P2P) wireless allows two devices to establish a direct Wi-Fi connection without requiring a wireless router.

Front

Pathping

Back

A network utility that combines the functionality of ping with that of tracert, providing details of the path between two hosts and ping-like statistics for each node.

Front

Ping

Back

A computer network administration software utility used to test the reachability of a host on an IP network.

Front

PPTP

Back

Point-to-Point Tunneling Protocol (PPTP) allows organizations to extend their own network through private tunnels over the public Internet.

Front

PTR Record

Back

Pointer record (PTR Record) is a pointer to a canonical name, commonly used for implementing reverse DNS lookups.

Front

QoS

Back

Quality of Service (QoS) is the description or measurement of the overall performance of a service in a computer network.

Front

Ring Topology

Back

A network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node.