What is TelNet? Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-based communications facility using a virtual terminal connection. Telnet was developed in 1969 starting with RFC 15, extended in 1971 with RFC 595, and standardized as Internet Engineering Task Force (IETF) Internet Standard STD … Read more
What are the Ports in Networking? Ports are the places where data enters and leaves a computer or network device. They are like virtual doorways that allow information to flow in and out. Ports are numbered so that computers can keep track of the different types of data that are flowing through them. What are … Read more
What is VDC in Nexus Switches? Virtual Device Contexts (VDC) is a feature in Cisco Nexus switches that allows for the creation of multiple virtual devices within one physical device. This enables each VDC to function as an independent device, with its own configuration, capabilities, and resources. This provides flexibility and scalability, as well as … Read more
What device is used to create a physical Star Topology? A physical star topology is created using a central device, typically a hub or switch, which connects to each of the other devices on the network. What is the central device is Star Topology? The central device in a star topology is typically a hub … Read more
What is BFD in Routing? Bidirectional Forwarding Detection (BFD) is a routing protocol designed to detect link failures in a network. It is a simple, lightweight protocol that can be used to detect faults in any network layer. BFD works by sending periodic messages between two nodes in a network. If the messages stop arriving, … Read more