OSI Layer Model: 7 layers of osi model: The International Standards Organization (ISO) developed the Open Systems Interconnection (OSI) Reference Model to define functional communications standards. This reference model is widely used by equipment manufacturers to assure their products will interoperate with products from other vendors. The OSI model describes the functions that are performed in data communications. The model architecture is seven layers those are listed below with each layer defining specific functions. Layer [...]

IOS Commands Router modes Modes Description Router> User mode Router# Privileged mode Router(config)# Global configuration mode Router(config-if)# Interface mode Basic IOS Commands Command Description Syntax Enable Puts you into privileged mode Router>enable Disable Takes you from privileged mode back to user mode Router>disable Config Terminal Puts you in global configuration mode and change the running-config Router#config t Hostname Sets the name of a router Router(config)#hostname R1 Banner Creates a banner for users who log into [...]

This is the second part of Networking Interview questions……….. 41 :: What are called Fat clients and Fat servers? If the bulk of the application runs on the Client side, then it is Fat clients. It is used for decision support and personal software. If the bulk of the application runs on the Server side, then it is Fat servers. It tries to minimize network interchanges by creating more abstract levels of services. 42 :: [...]

I.       INTRODUCING COMPUTER NETWORKS: A.        Types of Computer Networks: LANs and WANs As you begin this section, define computer network and briefly explain each type of network: Local Area Network (LAN) uses direct cables, wireless radio, or infrared signals to link computers within a small geographic area. Metropolitan Area Network (MAN) uses high speed fiber-optic lines to connect computers within a major urban region. Wide Area Network (WAN) uses long-distance transmission media to connect computers [...]